v0.26.0

Remove trailing whitespace.
Merge pull request #802 from Alex7Kom/master
2025-09-06 12:39:46 +00:00 · 2015-08-13 17:10:08 -07:00 · 2015-08-13 17:09:22 -07:00 · 2015-08-13 00:04:07 -07:00 · 2015-08-13 09:09:51 +03:00 · 2015-08-10 11:09:46 -07:00
138 changed files with 5002 additions and 587 deletions
--- a/.gitattributes
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.sh eol=lf
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,7 @@ test/bak
 .urchin_stdout

 node_modules/
+npm-debug.log

 .DS_Store
 current
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,14 +1,38 @@
 language: c # defaults to ruby
+addons:
+  apt_packages:
+  - zsh
+  - ksh
 install:
-  - sudo apt-get install ksh zsh -y
-before_script:
-  - curl -o /tmp/urchin https://raw.githubusercontent.com/scraperwiki/urchin/master/urchin && chmod +x /tmp/urchin
+  - (mkdir /tmp/urchin && cd /tmp/urchin && curl -s "$(curl -s https://registry.npmjs.com/urchin | grep -Eo '"tarball":\s*"[^"]+"' | tail -n 1 | awk -F\" '{ print $4 }')" -O && tar -x -f urchin*)
+  - chmod +x /tmp/urchin/package/urchin
+  - '[ -z "$WITHOUT_CURL" ] || sudo apt-get remove curl -y'
 script:
-  - NVM_DIR=$TRAVIS_BUILD_DIR make TEST_SUITE=$TEST_SUITE URCHIN=/tmp/urchin $SHELL
+  - NVM_DIR=$TRAVIS_BUILD_DIR make TEST_SUITE=$TEST_SUITE URCHIN=/tmp/urchin/package/urchin test-$SHELL
 env:
+  - SHELL=bash TEST_SUITE=install_script
  - SHELL=sh TEST_SUITE=fast
  - SHELL=dash TEST_SUITE=fast
  - SHELL=bash TEST_SUITE=fast
  - SHELL=zsh TEST_SUITE=fast
-  - SHELL=ksh TEST_SUITE=fast
+#  - SHELL=ksh TEST_SUITE=fast
  - SHELL=sh TEST_SUITE=slow
+  - SHELL=dash TEST_SUITE=slow
+  - SHELL=bash TEST_SUITE=slow
+  - SHELL=zsh TEST_SUITE=slow
+#  - SHELL=ksh TEST_SUITE=slow
+  - SHELL=sh TEST_SUITE=sourcing
+  - SHELL=dash TEST_SUITE=sourcing
+  - SHELL=bash TEST_SUITE=sourcing
+  - SHELL=zsh TEST_SUITE=sourcing
+#  - SHELL=ksh TEST_SUITE=sourcing
+  - SHELL=sh TEST_SUITE=installation
+  - SHELL=sh TEST_SUITE=installation WITHOUT_CURL=1
+  - SHELL=dash TEST_SUITE=installation
+  - SHELL=dash TEST_SUITE=installation WITHOUT_CURL=1
+  - SHELL=bash TEST_SUITE=installation
+  - SHELL=bash TEST_SUITE=installation WITHOUT_CURL=1
+  - SHELL=zsh TEST_SUITE=installation
+  - SHELL=zsh TEST_SUITE=installation WITHOUT_CURL=1
+#  - SHELL=ksh TEST_SUITE=installation
+#  - SHELL=ksh TEST_SUITE=installation WITHOUT_CURL=1
--- a/85
+++ b/85
@@ -1,26 +1,77 @@
-URCHIN=`which urchin`
-SHELLS=sh bash dash ksh zsh
-TEST_SUITE=fast
+	# Since we rely on paths relative to the makefile location, abort if make isn't being run from there.
+$(if $(findstring /,$(MAKEFILE_LIST)),$(error Please only invoke this makefile from the directory it resides in))
+	# Note: With Travis CI:
+	#  - the path to urchin is passed via the command line.
+	#  - the other utilities are NOT needed, so we skip the test for their existence.
+URCHIN := urchin
+ifeq ($(findstring /,$(URCHIN)),) # urchin path was NOT passed in.
+		# Add the local npm packages' bin folder to the PATH, so that `make` can find them, when invoked directly.
+		# Note that rather than using `$(npm bin)` the 'node_modules/.bin' path component is hard-coded, so that invocation works even from an environment
+		# where npm is (temporarily) unavailable due to having deactivated an nvm instance loaded into the calling shell in order to avoid interference with tests.
+	export PATH := $(shell printf '%s' "$$PWD/node_modules/.bin:$$PATH")
+		# The list of all supporting utilities, installed with `npm install`.
+	UTILS := $(URCHIN) replace semver
+		# Make sure that all required utilities can be located.
+	UTIL_CHECK := $(or $(shell PATH="$(PATH)" which $(UTILS) >/dev/null && echo 'ok'),$(error Did you forget to run `npm install` after cloning the repo? At least one of the required supporting utilities not found: $(UTILS)))
+endif
+	# The files that need updating when incrementing the version number.
+VERSIONED_FILES := nvm.sh install.sh README.markdown package.json
+	# Define all shells to test with. Can be overridden with `make SHELLS=... <target>`.
+SHELLS := sh bash dash zsh # ksh (#574)
+	# Generate 'test-<shell>' target names from specified shells.
+	# The embedded shell names are extracted on demand inside the recipes.
+SHELL_TARGETS := $(addprefix test-,$(SHELLS))
+	# Define the default test suite(s). This can be overridden with `make TEST_SUITE=<...>  <target>`.
+	# Test suites are the names of subfolders of './test'.
+TEST_SUITE := $(shell find ./test/* -type d -prune -exec basename {} \;)

-.PHONY: $(SHELLS) test verify-tag release

-$(SHELLS):
-	@printf '\n\033[0;34m%s\033[0m\n' "Running tests in $@"
-	@$@ $(URCHIN) -f test/$(TEST_SUITE)
+# Default target (by virtue of being the first non '.'-prefixed in the file).
+.PHONY: _no-target-specified
+_no-target-specified:
+	$(error Please specify the target to make - `make list` shows targets. Alternatively, use `npm test` to run the default tests; `npm run` shows all tests)

-test: $(SHELLS)
-	@$(URCHIN) -f test/slow 
+# Lists all targets defined in this makefile.
+.PHONY: list
+list:
+	@$(MAKE) -pRrn : -f $(MAKEFILE_LIST) 2>/dev/null | awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | egrep -v -e '^[^[:alnum:]]' -e '^$@$$' | sort

-default: test
+# Set of test-<shell> targets; each runs the specified test suites for a single shell.
+# Note that preexisting NVM_* variables are unset to avoid interfering with tests, except when running the Travis tests (where NVM_DIR must be passed in and the env. is assumed to be pristine).
+.PHONY: $(SHELL_TARGETS)
+$(SHELL_TARGETS):
+	@shell='$@'; shell=$${shell##*-}; which "$$shell" >/dev/null || { printf '\033[0;31m%s\033[0m\n' "WARNING: Cannot test with shell '$$shell': not found." >&2; exit 0; } && \
+	 printf '\n\033[0;34m%s\033[0m\n' "Running tests in $$shell"; \
+	 [ -z "$$TRAVIS_BUILD_DIR" ] && for v in $$(set | awk -F'=' '$$1 ~ "^NVM_" { print $$1 }'); do unset $$v; done && unset v; \
+	 for suite in $(TEST_SUITE); do $(URCHIN) -f -s $$shell test/$$suite || exit; done

-verify-tag:
+# All-tests target: invokes the specified test suites for ALL shells defined in $(SHELLS).
+.PHONY: test
+test: $(SHELL_TARGETS)
+
+.PHONY: _ensure-tag
+_ensure-tag:
 ifndef TAG
-	$(error TAG is undefined)
+	$(error Please invoke with `make TAG=<new-version> release`, where <new-version> is either an increment specifier (patch, minor, major, prepatch, preminor, premajor, prerelease), or an explicit major.minor.patch version number)
 endif

-release: verify-tag
-	@ OLD_TAG=`git describe --abbrev=0 --tags` && \
-		replace "$${OLD_TAG/v/}" "$(TAG)" -- nvm.sh install.sh README.markdown package.json && \
-		git commit -m "v$(TAG)" nvm.sh install.sh README.markdown package.json && \
-		git tag "v$(TAG)"
+# Ensures that the git workspace is clean.
+.PHONY: _ensure-clean
+_ensure-clean:
+	@[ -z "$$(git status --porcelain --untracked-files=no || echo err)" ] || { echo "Workspace is not clean; please commit changes first." >&2; exit 2; }

+# Makes a release; invoke with `make TAG=<versionOrIncrementSpec> release`.
+.PHONY: release
+release: _ensure-tag _ensure-clean
+	@old_ver=`git describe --abbrev=0 --tags --match 'v[0-9]*.[0-9]*.[0-9]*'` || { echo "Failed to determine current version." >&2; exit 1; }; old_ver=$${old_ver#v}; \
+	 new_ver=`echo "$(TAG)" | sed 's/^v//'`; new_ver=$${new_ver:-patch}; \
+	 if printf "$$new_ver" | grep -q '^[0-9]'; then \
+	   semver "$$new_ver" >/dev/null || { echo 'Invalid version number specified: $(TAG) - must be major.minor.patch' >&2; exit 2; }; \
+	   semver -r "> $$old_ver" "$$new_ver" >/dev/null || { echo 'Invalid version number specified: $(TAG) - must be HIGHER than current one.' >&2; exit 2; } \
+	 else \
+	   new_ver=`semver -i "$$new_ver" "$$old_ver"` || { echo 'Invalid version-increment specifier: $(TAG)' >&2; exit 2; } \
+	 fi; \
+	 printf "=== Bumping version **$$old_ver** to **$$new_ver** before committing and tagging:\n=== TYPE 'proceed' TO PROCEED, anything else to abort: " && read response && [ "$$response" = 'proceed' ] || { echo 'Aborted.' >&2; exit 2; };  \
+	 replace "$$old_ver" "$$new_ver" -- $(VERSIONED_FILES) && \
+	 git commit -m "v$$new_ver" $(VERSIONED_FILES) && \
+	 git tag -a -m "v$$new_ver" "v$$new_ver"
--- a/README.markdown
+++ b/README.markdown
@@ -2,35 +2,43 @@

 ## Installation

-First you'll need to make sure your system has a c++ compiler.  For OSX, XCode will work, for Ubuntu, the build-essential and libssl-dev packages work.
+First you'll need to make sure your system has a c++ compiler. For OSX, XCode will work, for Ubuntu, the build-essential and libssl-dev packages work.
+
+Note: `nvm` does not support Windows (see [#284](https://github.com/creationix/nvm/issues/284)). Two alternatives exist, which are neither supported nor developed by us:
+ - [nvmw](https://github.com/hakobera/nvmw)
+ - [nvm-windows](https://github.com/coreybutler/nvm-windows)
+
+Note: `nvm` does not support [Fish] either (see [#303](https://github.com/creationix/nvm/issues/303)). An alternative exists, which is neither supported nor developed by us:
+ - [bass](https://github.com/edc/bass) allows to use utilities written for Bash in fish shell

 ### Install script

 To install you could use the [install script][2] using cURL:

-    curl https://raw.githubusercontent.com/creationix/nvm/v0.12.0/install.sh | bash
+    curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.26.0/install.sh | bash

 or Wget:

-    wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.12.0/install.sh | bash
+    wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.26.0/install.sh | bash

 <sub>The script clones the nvm repository to `~/.nvm` and adds the source line to your profile (`~/.bash_profile`, `~/.zshrc` or `~/.profile`).</sub>

-You can customize the install source, directory and profile using the `NVM_SOURCE`, `NVM_DIR` and `PROFILE` variables. Eg: `curl ... | NVM_DIR=/usr/local/nvm bash` for a global install.
+You can customize the install source, directory and profile using the `NVM_SOURCE`, `NVM_DIR`, and `PROFILE` variables.
+Eg: `curl ... | NVM_DIR=/usr/local/nvm bash` for a global install.

-<sub>*NB. The installer can use Git, curl, or wget to download NVM, whatever is available.*</sub>
+<sub>*NB. The installer can use `git`, `curl`, or `wget` to download `nvm`, whatever is available.*</sub>

 ### Manual install

-For manual install create a folder somewhere in your filesystem with the `nvm.sh` file inside it.  I put mine in a folder called `nvm`.
+For manual install create a folder somewhere in your filesystem with the `nvm.sh` file inside it. I put mine in a folder called `nvm`.

-Or if you have `git` installed, then just clone it:
+Or if you have `git` installed, then just clone it, and check out the latest version:

-    git clone https://github.com/creationix/nvm.git ~/.nvm
+    git clone https://github.com/creationix/nvm.git ~/.nvm && cd ~/.nvm && git checkout `git describe --abbrev=0 --tags`

 To activate nvm, you need to source it from your shell:

-    source ~/.nvm/nvm.sh
+    . ~/.nvm/nvm.sh

 I always add this line to my `~/.bashrc`, `~/.profile`, or `~/.zshrc` file to have it automatically sourced upon login.
 Often I also put in a line to use a specific version of node.
@@ -38,7 +46,7 @@ Often I also put in a line to use a specific version of node.
 ## Usage

 You can create an `.nvmrc` file containing version number in the project root directory (or any parent directory).
-`nvm use`, `nvm install`, and `nvm run` will all respect an `.nvmrc` file.
+`nvm use`, `nvm install`, `nvm exec`, `nvm run`, and `nvm which` will all respect an `.nvmrc` file when a version is not supplied.

 To download, compile, and install the latest v0.10.x release of node, do this:

@@ -52,6 +60,47 @@ Or you can just run it:

    nvm run 0.10 --version

+Or, you can run any arbitrary command in a subshell with the desired version of node:
+
+    nvm exec 0.10 node --version
+
+You can also get the path to the executable to where it was installed:
+
+    nvm which 0.10
+
+In place of a version pointer like "0.10", you can use the special default aliases "stable" and "unstable":
+
+    nvm install stable
+    nvm install unstable
+    nvm use stable
+    nvm run unstable --version
+
+If you want to install a new version of Node.js and migrate npm packages from a previous version:
+
+    nvm install node --reinstall-packages-from=node
+
+This will first use "nvm version node" to identify the current version you're migrating packages from. Then it resolves the new version to install from the remote server and installs it. Lastly, it runs "nvm reinstall-packages" to reinstall the npm packages from your prior version of Node to the new one.
+
+You can also install and migrate npm packages from specific versions of Node like this:
+
+    nvm install v0.10.40 --reinstall-packages-from=0.10.39
+    nvm install v0.12.7 --reinstall-packages-from=0.12.6
+
+If you want to install [io.js](https://github.com/iojs/io.js/):
+
+    nvm install iojs
+
+If you want to install a new version of io.js and migrate npm packages from a previous version:
+
+    nvm install iojs --reinstall-packages-from=iojs
+
+The same guidelines mentioned for migrating npm packages in Node.js are applicable to io.js.
+
+If you want to use the system-installed version of node, you can use the special default alias "system":
+
+    nvm use system
+    nvm run system --version
+
 If you want to see what versions are installed:

    nvm ls
@@ -66,14 +115,23 @@ To restore your PATH, you can deactivate it.

 To set a default Node version to be used in any new shell, use the alias 'default':

-    nvm alias default 0.10
+    nvm alias default stable

 To use a mirror of the node binaries, set `$NVM_NODEJS_ORG_MIRROR`:

-    export NVM_NODEJS_ORG_MIRROR=http://nodejs.org/dist
+    export NVM_NODEJS_ORG_MIRROR=https://nodejs.org/dist
    nvm install 0.10

-    NVM_NODEJS_ORG_MIRROR=http://nodejs.org/dist nvm install 0.10
+    NVM_NODEJS_ORG_MIRROR=https://nodejs.org/dist nvm install 0.10
+
+To use a mirror of the iojs binaries, set `$NVM_IOJS_ORG_MIRROR`:
+
+    export NVM_IOJS_ORG_MIRROR=https://iojs.org/dist
+    nvm install iojs-v1.0.3
+
+    NVM_IOJS_ORG_MIRROR=https://iojs.org/dist nvm install iojs-v1.0.3
+
+`nvm use` will not, by default, create a "current" symlink. Set `$NVM_SYMLINK_CURRENT` to "true" to enable this behavior, which is sometimes useful for IDEs.

 ## License

@@ -123,8 +181,9 @@ Put the above sourcing line just below the sourcing line for NVM in your profile
 nvm

 	$ nvm [tab][tab]
-	alias          copy-packages  help           list           run            uninstall      version
-	clear-cache    deactivate     install        ls             unalias        use
+    alias               deactivate          install             ls                  run                 unload
+    clear-cache         exec                list                ls-remote           unalias             use
+    current             help                list-remote         reinstall-packages  uninstall           version

 nvm alias

@@ -144,17 +203,31 @@ nvm uninstall
 	$ nvm uninstall [tab][tab]
 	my_alias        default        v0.6.21        v0.8.26       v0.10.28

+## Compatibility Issues
+`nvm` will encounter some issues if you have some non-default settings set. (see [#606](/../../issues/606))
+The following are known to cause issues:
+
+Inside `~/.npmrc`
+```
+prefix='some/path'
+```
+Environment Variables:
+```
+$NPM_CONFIG_PREFIX
+$PREFIX
+```
+
 ## Problems

 If you try to install a node version and the installation fails, be sure to delete the node downloads from src (~/.nvm/src/) or you might get an error when trying to reinstall them again or you might get an error like the following:

    curl: (33) HTTP server doesn't seem to support byte ranges. Cannot resume.

-Where's my 'sudo node'? Checkout this link:
+Where's my 'sudo node'? Check out this link:

 https://github.com/creationix/nvm/issues/43

-on Arch Linux and other systems using python3 by default, before running *install* you need to
+On Arch Linux and other systems using python3 by default, before running *install* you need to

      export PYTHON=python2

@@ -163,7 +236,7 @@ After the v0.8.6 release of node, nvm tries to install from binary packages. But
    nvm install -s 0.8.6

 [1]: https://github.com/creationix/nvm.git
-[2]: https://github.com/creationix/nvm/blob/v0.12.0/install.sh
+[2]: https://github.com/creationix/nvm/blob/v0.26.0/install.sh
 [3]: https://travis-ci.org/creationix/nvm
 [Urchin]: https://github.com/scraperwiki/urchin
-
+[Fish]: http://fishshell.com
--- a/16
+++ b/16
@@ -18,9 +18,11 @@ __nvm_commands ()
  current_word="${COMP_WORDS[COMP_CWORD]}"

  COMMANDS='\
-    help install uninstall use run\
-    ls ls-remote list list-remote deactivate\
-    alias unalias copy-packages clear-cache version'
+    help install uninstall use run exec \
+    alias unalias reinstall-packages \
+    current list ls list-remote ls-remote \
+    clear-cache deactivate unload \
+    version which'

    if [ ${#COMP_WORDS[@]} == 4 ]; then

@@ -55,7 +57,7 @@ __nvm_aliases ()
  declare aliases
  aliases=""
  if [ -d $NVM_DIR/alias ]; then
-    aliases="`cd $NVM_DIR/alias && ls`"
+    aliases="`cd $NVM_DIR/alias && command ls`"
  fi
  echo "${aliases}"
 }
@@ -71,7 +73,7 @@ __nvm ()
  previous_word="${COMP_WORDS[COMP_CWORD-1]}"

  case "$previous_word" in
-  use|run|ls|list|uninstall) __nvm_installed_nodes ;;
+  use|run|exec|ls|list|uninstall) __nvm_installed_nodes ;;
  alias|unalias)  __nvm_alias ;;
  *)              __nvm_commands ;;
  esac
@@ -79,8 +81,8 @@ __nvm ()
  return 0
 }

-# complete is a bash builtin, but recent versions of ZSH come with a function 
-# called bashcompinit that will create a complete in ZSH. If the user is in 
+# complete is a bash builtin, but recent versions of ZSH come with a function
+# called bashcompinit that will create a complete in ZSH. If the user is in
 # ZSH, load and run bashcompinit before calling the complete function.
 if [[ -n ${ZSH_VERSION-} ]]; then
 	autoload -U +X bashcompinit && bashcompinit
--- a/install.sh
+++ b/install.sh
@@ -2,23 +2,54 @@

 set -e

+{ # this ensures the entire script is downloaded #
+
 nvm_has() {
  type "$1" > /dev/null 2>&1
-  return $?
 }

 if [ -z "$NVM_DIR" ]; then
  NVM_DIR="$HOME/.nvm"
 fi

+nvm_latest_version() {
+  echo "v0.26.0"
+}
+
+#
+# Outputs the location to NVM depending on:
+# * The availability of $NVM_SOURCE
+# * The method used ("script" or "git" in the script, defaults to "git")
+# NVM_SOURCE always takes precedence unless the method is "script-nvm-exec"
+#
+nvm_source() {
+  local NVM_METHOD
+  NVM_METHOD="$1"
+  local NVM_SOURCE_URL
+  NVM_SOURCE_URL="$NVM_SOURCE"
+  if [ "_$NVM_METHOD" = "_script-nvm-exec" ]; then
+    NVM_SOURCE_URL="https://raw.githubusercontent.com/creationix/nvm/$(nvm_latest_version)/nvm-exec"
+  elif [ -z "$NVM_SOURCE_URL" ]; then
+    if [ "_$NVM_METHOD" = "_script" ]; then
+      NVM_SOURCE_URL="https://raw.githubusercontent.com/creationix/nvm/$(nvm_latest_version)/nvm.sh"
+    elif [ "_$NVM_METHOD" = "_git" ] || [ -z "$NVM_METHOD" ]; then
+      NVM_SOURCE_URL="https://github.com/creationix/nvm.git"
+    else
+      echo >&2 "Unexpected value \"$NVM_METHOD\" for \$NVM_METHOD"
+      return 1
+    fi
+  fi
+  echo "$NVM_SOURCE_URL"
+}
+
 nvm_download() {
  if nvm_has "curl"; then
-    curl $*
+    curl -q $*
  elif nvm_has "wget"; then
    # Emulate curl with wget
-    ARGS=$(echo "$*" | sed -e 's/--progress-bar /--progress=bar /' \
+    ARGS=$(echo "$*" | command sed -e 's/--progress-bar /--progress=bar /' \
                           -e 's/-L //' \
-                           -e 's/-I //' \
+                           -e 's/-I /--server-response /' \
                           -e 's/-s /-q /' \
                           -e 's/-o /-O /' \
                           -e 's/-C - /-c /')
@@ -27,14 +58,10 @@ nvm_download() {
 }

 install_nvm_from_git() {
-  if [ -z "$NVM_SOURCE" ]; then
-    NVM_SOURCE="https://github.com/creationix/nvm.git"
-  fi
-
  if [ -d "$NVM_DIR/.git" ]; then
-    echo "=> nvm is already installed in $NVM_DIR, trying to update"
+    echo "=> nvm is already installed in $NVM_DIR, trying to update using git"
    printf "\r=> "
-    cd "$NVM_DIR" && (git fetch 2> /dev/null || {
+    cd "$NVM_DIR" && (command git fetch 2> /dev/null || {
      echo >&2 "Failed to update nvm, run 'git fetch' in $NVM_DIR yourself." && exit 1
    })
  else
@@ -42,90 +69,202 @@ install_nvm_from_git() {
    echo "=> Downloading nvm from git to '$NVM_DIR'"
    printf "\r=> "
    mkdir -p "$NVM_DIR"
-    git clone "$NVM_SOURCE" "$NVM_DIR"
+    command git clone "$(nvm_source git)" "$NVM_DIR"
  fi
-  cd $NVM_DIR && git checkout v0.12.0 && git branch -D master || true
+  cd "$NVM_DIR" && command git checkout --quiet $(nvm_latest_version)
+  if [ ! -z "$(cd "$NVM_DIR" && git show-ref refs/heads/master)" ]; then
+    if git branch --quiet 2>/dev/null; then
+      cd "$NVM_DIR" && command git branch --quiet -D master >/dev/null 2>&1
+    else
+      echo >&2 "Your version of git is out of date. Please update it!"
+      cd "$NVM_DIR" && command git branch -D master >/dev/null 2>&1
+    fi
+  fi
+  return
 }

 install_nvm_as_script() {
-  if [ -z "$NVM_SOURCE" ]; then
-    NVM_SOURCE="https://raw.githubusercontent.com/creationix/nvm/v0.12.0/nvm.sh"
-  fi
+  local NVM_SOURCE_LOCAL
+  NVM_SOURCE_LOCAL=$(nvm_source script)
+  local NVM_EXEC_SOURCE
+  NVM_EXEC_SOURCE=$(nvm_source script-nvm-exec)

  # Downloading to $NVM_DIR
  mkdir -p "$NVM_DIR"
  if [ -d "$NVM_DIR/nvm.sh" ]; then
-    echo "=> nvm is already installed in $NVM_DIR, trying to update"
+    echo "=> nvm is already installed in $NVM_DIR, trying to update the script"
  else
    echo "=> Downloading nvm as script to '$NVM_DIR'"
  fi
-  nvm_download -s "$NVM_SOURCE" -o "$NVM_DIR/nvm.sh" || {
-    echo >&2 "Failed to download '$NVM_SOURCE'.."
+  nvm_download -s "$NVM_SOURCE_LOCAL" -o "$NVM_DIR/nvm.sh" || {
+    echo >&2 "Failed to download '$NVM_SOURCE_LOCAL'"
    return 1
  }
+  nvm_download -s "$NVM_EXEC_SOURCE" -o "$NVM_DIR/nvm-exec" || {
+    echo >&2 "Failed to download '$NVM_EXEC_SOURCE'"
+    return 2
+  }
+  chmod a+x "$NVM_DIR/nvm-exec" || {
+    echo >&2 "Failed to mark '$NVM_DIR/nvm-exec' as executable"
+    return 3
+  }
 }

-if [ -z "$METHOD" ]; then
-  # Autodetect install method
-  if nvm_has "git"; then
-    install_nvm_from_git
-  elif nvm_has "nvm_download"; then
-    install_nvm_as_script
-  else
-    echo >&2 "You need git, curl, or wget to install nvm"
-    exit 1
+#
+# Detect profile file if not specified as environment variable
+# (eg: PROFILE=~/.myprofile)
+# The echo'ed path is guaranteed to be an existing file
+# Otherwise, an empty string is returned
+#
+nvm_detect_profile() {
+
+  local DETECTED_PROFILE
+  DETECTED_PROFILE=''
+  local SHELLTYPE
+  SHELLTYPE="$(basename /$SHELL)"
+
+  if [ $SHELLTYPE = "bash" ]; then
+    if [ -f "$HOME/.bashrc" ]; then
+      DETECTED_PROFILE="$HOME/.bashrc"
+    elif [ -f "$HOME/.bash_profile" ]; then
+      DETECTED_PROFILE="$HOME/.bash_profile"
+    fi
+  elif [ $SHELLTYPE = "zsh" ]; then
+    DETECTED_PROFILE="$HOME/.zshrc"
  fi
-else
-  if [ "$METHOD" = "git" ]; then
+
+  if [ -z $DETECTED_PROFILE ]; then
+    if [ -f "$PROFILE" ]; then
+      DETECTED_PROFILE="$PROFILE"
+    elif [ -f "$HOME/.profile" ]; then
+      DETECTED_PROFILE="$HOME/.profile"
+    elif [ -f "$HOME/.bashrc" ]; then
+      DETECTED_PROFILE="$HOME/.bashrc"
+    elif [ -f "$HOME/.bash_profile" ]; then
+      DETECTED_PROFILE="$HOME/.bash_profile"
+    elif [ -f "$HOME/.zshrc" ]; then
+      DETECTED_PROFILE="$HOME/.zshrc"
+    fi
+  fi
+
+  if [ ! -z $DETECTED_PROFILE ]; then
+    echo "$DETECTED_PROFILE"
+  fi
+}
+
+#
+# Check whether the user has any globally-installed npm modules in their system
+# Node, and warn them if so.
+#
+nvm_check_global_modules() {
+  command -v npm >/dev/null 2>&1 || return 0
+
+  local NPM_VERSION
+  NPM_VERSION="$(npm --version)"
+  NPM_VERSION="${NPM_VERSION:--1}"
+  [ "${NPM_VERSION%%[!-0-9]*}" -gt 0 ] || return 0
+
+  local NPM_GLOBAL_MODULES
+  NPM_GLOBAL_MODULES="$(
+    npm list -g --depth=0 |
+    sed '/ npm@/d' |
+    sed '/ (empty)$/d'
+  )"
+
+  local MODULE_COUNT
+  MODULE_COUNT="$(
+    printf %s\\n "$NPM_GLOBAL_MODULES" |
+    sed -ne '1!p' |                             # Remove the first line
+    wc -l | tr -d ' '                           # Count entries
+  )"
+
+  if [ $MODULE_COUNT -ne 0 ]; then
+    cat <<-'END_MESSAGE'
+	=> You currently have modules installed globally with `npm`. These will no
+	=> longer be linked to the active version of Node when you install a new node
+	=> with `nvm`; and they may (depending on how you construct your `$PATH`)
+	=> override the binaries of modules installed with `nvm`:
+
+	END_MESSAGE
+    printf %s\\n "$NPM_GLOBAL_MODULES"
+    cat <<-'END_MESSAGE'
+
+	=> If you wish to uninstall them at a later point (or re-install them under your
+	=> `nvm` Nodes), you can remove them from the system Node as follows:
+
+	     $ nvm use system
+	     $ npm uninstall -g a_module
+
+	END_MESSAGE
+  fi
+}
+
+nvm_do_install() {
+  if [ -z "$METHOD" ]; then
+    # Autodetect install method
+    if nvm_has "git"; then
+      install_nvm_from_git
+    elif nvm_has "nvm_download"; then
+      install_nvm_as_script
+    else
+      echo >&2 "You need git, curl, or wget to install nvm"
+      exit 1
+    fi
+  elif [ "~$METHOD" = "~git" ]; then
    if ! nvm_has "git"; then
      echo >&2 "You need git to install nvm"
      exit 1
    fi
    install_nvm_from_git
-  fi
-  if [ "$METHOD" = "script" ]; then
+  elif [ "~$METHOD" = "~script" ]; then
    if ! nvm_has "nvm_download"; then
      echo >&2 "You need curl or wget to install nvm"
      exit 1
    fi
    install_nvm_as_script
  fi
-fi

-echo
-
-# Detect profile file if not specified as environment variable (eg: PROFILE=~/.myprofile).
-if [ -z "$PROFILE" ]; then
-  if [ -f "$HOME/.bash_profile" ]; then
-    PROFILE="$HOME/.bash_profile"
-  elif [ -f "$HOME/.zshrc" ]; then
-    PROFILE="$HOME/.zshrc"
-  elif [ -f "$HOME/.profile" ]; then
-    PROFILE="$HOME/.profile"
-  fi
-fi
-
-SOURCE_STR="\nexport NVM_DIR=\"$NVM_DIR\"\n[ -s \"\$NVM_DIR/nvm.sh\" ] && . \"\$NVM_DIR/nvm.sh\"  # This loads nvm"
-
-if [ -z "$PROFILE" ] || [ ! -f "$PROFILE" ] ; then
-  if [ -z "$PROFILE" ]; then
-    echo "=> Profile not found. Tried ~/.bash_profile, ~/.zshrc, and ~/.profile."
-    echo "=> Create one of them and run this script again"
-  else
-    echo "=> Profile $PROFILE not found"
-    echo "=> Create it (touch $PROFILE) and run this script again"
-  fi
-  echo "   OR"
-  echo "=> Append the following lines to the correct file yourself:"
-  printf "$SOURCE_STR"
  echo
-else
-  if ! grep -qc 'nvm.sh' "$PROFILE"; then
-    echo "=> Appending source string to $PROFILE"
-    printf "$SOURCE_STR\n" >> "$PROFILE"
-  else
-    echo "=> Source string already in $PROFILE"
-  fi
-fi

-echo "=> Close and reopen your terminal to start using nvm"
+  local NVM_PROFILE
+  NVM_PROFILE=$(nvm_detect_profile)
+
+  SOURCE_STR="\nexport NVM_DIR=\"$NVM_DIR\"\n[ -s \"\$NVM_DIR/nvm.sh\" ] && . \"\$NVM_DIR/nvm.sh\"  # This loads nvm"
+
+  if [ -z "$NVM_PROFILE" ] ; then
+    echo "=> Profile not found. Tried $NVM_PROFILE (as defined in \$PROFILE), ~/.bashrc, ~/.bash_profile, ~/.zshrc, and ~/.profile."
+    echo "=> Create one of them and run this script again"
+    echo "=> Create it (touch $NVM_PROFILE) and run this script again"
+    echo "   OR"
+    echo "=> Append the following lines to the correct file yourself:"
+    printf "$SOURCE_STR"
+    echo
+  else
+    if ! grep -qc 'nvm.sh' "$NVM_PROFILE"; then
+      echo "=> Appending source string to $NVM_PROFILE"
+      printf "$SOURCE_STR\n" >> "$NVM_PROFILE"
+    else
+      echo "=> Source string already in $NVM_PROFILE"
+    fi
+  fi
+
+  nvm_check_global_modules
+
+  . $NVM_DIR/nvm.sh
+  echo "=> You can now start using nvm"
+  nvm_reset
+}
+
+#
+# Unsets the various functions defined
+# during the execution of the install script
+#
+nvm_reset() {
+  unset -f nvm_reset nvm_has nvm_latest_version \
+    nvm_source nvm_download install_nvm_as_script install_nvm_from_git \
+    nvm_detect_profile nvm_check_global_modules nvm_do_install
+}
+
+[ "_$NVM_ENV" = "_testing" ] || nvm_do_install
+
+} # this ensures the entire script is downloaded #
--- a/1
+++ b/1
@@ -11,4 +11,3 @@ else
 fi

 exec $@
-
--- a/nvm.sh
+++ b/nvm.sh
--- a/package.json
+++ b/package.json
@@ -1,14 +1,17 @@
 {
  "name": "nvm",
-  "version": "0.12.0",
+  "version": "0.26.0",
  "description": "Node Version Manager - Simple bash script to manage multiple active node.js versions",
  "directories": {
    "test": "test"
  },
  "scripts": {
-    "test": "urchin test",
-    "test/fast": "urchin -f test/fast",
-    "test/slow": "urchin -f test/slow"
+    "test": "shell=$(basename -- $(ps -o comm= $(ps -o ppid= -p $PPID)) | sed 's/^-//'); make test-$shell",
+    "test/fast": "shell=$(basename -- $(ps -o comm= $(ps -o ppid= -p $PPID)) | sed 's/^-//'); make TEST_SUITE=fast test-$shell",
+    "test/slow": "shell=$(basename -- $(ps -o comm= $(ps -o ppid= -p $PPID)) | sed 's/^-//'); make TEST_SUITE=slow test-$shell",
+    "test/install_script": "shell=$(basename -- $(ps -o comm= $(ps -o ppid= -p $PPID)) | sed 's/^-//'); make TEST_SUITE=install_script test-$shell",
+    "test/installation": "shell=$(basename -- $(ps -o comm= $(ps -o ppid= -p $PPID)) | sed 's/^-//'); make TEST_SUITE=installation test-$shell",
+    "test/sourcing": "shell=$(basename -- $(ps -o comm= $(ps -o ppid= -p $PPID)) | sed 's/^-//'); make TEST_SUITE=sourcing test-$shell"
  },
  "repository": {
    "type": "git",
@@ -27,7 +30,8 @@
  },
  "homepage": "https://github.com/creationix/nvm",
  "devDependencies": {
-    "urchin": "~0.0.2"
+    "replace": "^0.3.0",
+    "semver": "^5.0.1",
+    "urchin": "^0.0.5"
  }
 }
-
--- a/test/fast/Aliases/Running
+++ b/test/fast/Aliases/Running
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+. ../../../nvm.sh
+
+die () { echo $@ ; exit 1; }
+
+if [ -n "$ZSH_VERSION" ]; then
+  # set clobber option in order to test that this does not produce any
+  # incompatibilities
+  setopt noclobber
+fi
+
+nvm alias test-stable-1 0.0.2
+
+nvm alias test-stable-1 | \grep -e "test-stable-1 -> 0.0.2 (-> v0.0.2)" \
+  || die "nvm alias test-stable-1 0.0.2 did not set test-stable-1 to 0.0.2"
+
+nvm alias test-stable-1 0.0.1
+
+nvm alias test-stable-1 | \grep -e "test-stable-1 -> 0.0.1 (-> v0.0.1)" \
+  || die "nvm alias test-stable-1 0.0.1 did not set test-stable-1 to 0.0.1"
--- a/test/fast/Aliases/Running
+++ b/test/fast/Aliases/Running
@@ -1,4 +1,4 @@
 #!/bin/sh

 . ../../../nvm.sh
-[ $(nvm alias test1 | wc -l) = '2' ]
+[ $(nvm alias test-stable-1 | wc -l) = '2' ]
--- a/test/fast/Aliases/Running
+++ b/test/fast/Aliases/Running
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+. ../../../nvm.sh
+
+die () { echo $@ ; exit 1; }
+
+NVM_ALIAS_OUTPUT=$(nvm alias)
+
+EXPECTED_STABLE="$(nvm_print_implicit_alias local stable)"
+STABLE_VERSION="$(nvm_version "$EXPECTED_STABLE")"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e "^stable -> $EXPECTED_STABLE (-> $STABLE_VERSION) (default)$" \
+  || die "nvm alias did not contain the default local stable node version"
+
+echo "$NVM_ALIAS_OUTPUT" | \grep -e "^node -> stable (-> $STABLE_VERSION) (default)$" \
+  || die "nvm alias did not contain the default local stable node version under 'node'"
+
+EXPECTED_UNSTABLE="$(nvm_print_implicit_alias local unstable)"
+UNSTABLE_VERSION="$(nvm_version "$EXPECTED_UNSTABLE")"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e "^unstable -> $EXPECTED_UNSTABLE (-> $UNSTABLE_VERSION) (default)$" \
+  || die "nvm alias did not contain the default local unstable node version"
+
+EXPECTED_IOJS="$(nvm_print_implicit_alias local iojs)"
+IOJS_VERSION="$(nvm_version "$EXPECTED_IOJS")"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e "^iojs -> $EXPECTED_IOJS (-> $IOJS_VERSION) (default)$" \
+  || die "nvm alias did not contain the default local iojs version"
+
--- a/test/fast/Aliases/Running
+++ b/test/fast/Aliases/Running
@@ -0,0 +1,49 @@
+#!/bin/sh
+
+. ../../../nvm.sh
+
+die () { echo $@ ; cleanup ; exit 1; }
+cleanup () {
+  rm -rf ../../../alias/stable
+  rm -rf ../../../alias/unstable
+  rm -rf ../../../alias/node
+  rm -rf ../../../alias/iojs
+  rm -rf ../../../v0.8.1
+  rm -rf ../../../v0.9.1
+  rm -rf ../../../versions/io.js/v0.2.1
+}
+
+mkdir ../../../v0.8.1
+mkdir ../../../v0.9.1
+mkdir -p ../../../versions/io.js/v0.2.1
+
+EXPECTED_STABLE="$(nvm_print_implicit_alias local stable)"
+STABLE_VERSION="$(nvm_version "$EXPECTED_STABLE")"
+
+EXPECTED_UNSTABLE="$(nvm_print_implicit_alias local unstable)"
+UNSTABLE_VERSION="$(nvm_version "$EXPECTED_UNSTABLE")"
+
+[ "_$STABLE_VERSION" != "_$UNSTABLE_VERSION" ] \
+  || die "stable and unstable versions are the same!"
+
+nvm alias stable "$EXPECTED_UNSTABLE"
+nvm alias unstable "$EXPECTED_STABLE"
+nvm alias node stable
+nvm alias iojs unstable
+
+NVM_ALIAS_OUTPUT=$(nvm alias)
+
+echo "$NVM_ALIAS_OUTPUT" | command grep -e "^stable -> $EXPECTED_UNSTABLE (-> $UNSTABLE_VERSION)$" \
+  || die "nvm alias did not contain the overridden 'stable' alias"
+
+echo "$NVM_ALIAS_OUTPUT" | command grep -e "^unstable -> $EXPECTED_STABLE (-> $STABLE_VERSION)$" \
+  || die "nvm alias did not contain the overridden 'unstable' alias"
+
+echo "$NVM_ALIAS_OUTPUT" | command grep -e "^node -> stable (-> $UNSTABLE_VERSION)$" \
+  || die "nvm alias did not contain the overridden 'node' alias"
+
+echo "$NVM_ALIAS_OUTPUT" | command grep -e "^iojs -> unstable (-> $STABLE_VERSION)$" \
+  || die "nvm alias did not contain the overridden 'iojs' alias"
+
+cleanup
+
--- a/test/fast/Aliases/Running
+++ b/test/fast/Aliases/Running
@@ -1,4 +1,48 @@
 #!/bin/sh

 . ../../../nvm.sh
-[ $(nvm alias | wc -l) = '10' ]
+
+die () { echo $@ ; exit 1; }
+
+NVM_ALIAS_OUTPUT=$(nvm alias)
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-1 -> 0.0.1 (-> v0.0.1)$' \
+  || die "did not find test-stable-1 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-2 -> 0.0.2 (-> v0.0.2)$' \
+  || die "did not find test-stable-2 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-3 -> 0.0.3 (-> v0.0.3)$' \
+  || die "did not find test-stable-3 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-4 -> 0.0.4 (-> v0.0.4)$' \
+  || die "did not find test-stable-4 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-5 -> 0.0.5 (-> v0.0.5)$' \
+  || die "did not find test-stable-5 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-6 -> 0.0.6 (-> v0.0.6)$' \
+  || die "did not find test-stable-6 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-7 -> 0.0.7 (-> v0.0.7)$' \
+  || die "did not find test-stable-7 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-8 -> 0.0.8 (-> v0.0.8)$' \
+  || die "did not find test-stable-8 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-9 -> 0.0.9 (-> v0.0.9)$' \
+  || die "did not find test-stable-9 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-stable-10 -> 0.0.10 (-> v0.0.10)$' \
+  || die "did not find test-stable-10 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-1 -> 0.1.1 (-> v0.1.1)$' \
+  || die "did not find test-unstable-1 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-2 -> 0.1.2 (-> v0.1.2)$' \
+  || die "did not find test-unstable-2 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-3 -> 0.1.3 (-> v0.1.3)$' \
+  || die "did not find test-unstable-3 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-4 -> 0.1.4 (-> v0.1.4)$' \
+  || die "did not find test-unstable-4 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-5 -> 0.1.5 (-> v0.1.5)$' \
+  || die "did not find test-unstable-5 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-6 -> 0.1.6 (-> v0.1.6)$' \
+  || die "did not find test-unstable-6 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-7 -> 0.1.7 (-> v0.1.7)$' \
+  || die "did not find test-unstable-7 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-8 -> 0.1.8 (-> v0.1.8)$' \
+  || die "did not find test-unstable-8 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-9 -> 0.1.9 (-> v0.1.9)$' \
+  || die "did not find test-unstable-9 alias"
+echo "$NVM_ALIAS_OUTPUT" | \grep -e '^test-unstable-10 -> 0.1.10 (-> v0.1.10)$' \
+  || die "did not find test-unstable-10 alias"
+
--- a/test/fast/Aliases/circular/nvm_resolve_alias
+++ b/test/fast/Aliases/circular/nvm_resolve_alias
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../../nvm.sh
+
+ALIAS="$(nvm_resolve_alias loopback)"
+[ "_$ALIAS" = "_∞" ] || die "nvm_resolve_alias loopback was not ∞; got $ALIAS"
+OUTPUT="$(nvm alias loopback)"
+EXPECTED_OUTPUT="loopback -> loopback (-> ∞)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm alias loopback was not $EXPECTED_OUTPUT; got $OUTPUT"
+
+ALIAS="$(nvm_resolve_alias one)"
+[ "_$ALIAS" = "_∞" ] || die "nvm_resolve_alias one was not ∞; got $ALIAS"
+OUTPUT="$(nvm alias one)"
+EXPECTED_OUTPUT="one -> two (-> ∞)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm alias one was not $EXPECTED_OUTPUT; got $OUTPUT"
+
+ALIAS="$(nvm_resolve_alias two)"
+[ "_$ALIAS" = "_∞" ] || die "nvm_resolve_alias two was not ∞; got $ALIAS"
+OUTPUT="$(nvm alias two)"
+EXPECTED_OUTPUT="two -> three (-> ∞)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm alias two was not $EXPECTED_OUTPUT; got $OUTPUT"
+
+ALIAS="$(nvm_resolve_alias three)"
+[ "_$ALIAS" = "_∞" ] || die "nvm_resolve_alias three was not ∞; got $ALIAS"
+OUTPUT="$(nvm alias three)"
+EXPECTED_OUTPUT="three -> one (-> ∞)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm alias three was not $EXPECTED_OUTPUT; got $OUTPUT"
+
+ALIAS="$(nvm_resolve_alias four)"
+[ "_$ALIAS" = "_∞" ] || die "nvm_resolve_alias four was not ∞; got $ALIAS"
+OUTPUT="$(nvm alias four)"
+EXPECTED_OUTPUT="four -> two (-> ∞)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm alias four was not $EXPECTED_OUTPUT; got $OUTPUT"
+
--- a/test/fast/Aliases/circular/nvm_resolve_local_alias
+++ b/test/fast/Aliases/circular/nvm_resolve_local_alias
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../../nvm.sh
+
+ALIAS="$(nvm_resolve_local_alias loopback)"
+[ "_$ALIAS" = "_∞" ] || die "nvm_resolve_local_alias loopback was not ∞; got $ALIAS"
+OUTPUT="$(nvm alias loopback)"
+EXPECTED_OUTPUT="loopback -> loopback (-> ∞)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm alias loopback was not $EXPECTED_OUTPUT; got $OUTPUT"
+
+ALIAS="$(nvm_resolve_local_alias one)"
+[ "_$ALIAS" = "_∞" ] || die "nvm_resolve_local_alias one was not ∞; got $ALIAS"
+OUTPUT="$(nvm alias one)"
+EXPECTED_OUTPUT="one -> two (-> ∞)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm alias one was not $EXPECTED_OUTPUT; got $OUTPUT"
+
+ALIAS="$(nvm_resolve_local_alias two)"
+[ "_$ALIAS" = "_∞" ] || die "nvm_resolve_local_alias two was not ∞; got $ALIAS"
+OUTPUT="$(nvm alias two)"
+EXPECTED_OUTPUT="two -> three (-> ∞)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm alias two was not $EXPECTED_OUTPUT; got $OUTPUT"
+
+ALIAS="$(nvm_resolve_local_alias three)"
+[ "_$ALIAS" = "_∞" ] || die "nvm_resolve_local_alias three was not ∞; got $ALIAS"
+OUTPUT="$(nvm alias three)"
+EXPECTED_OUTPUT="three -> one (-> ∞)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm alias three was not $EXPECTED_OUTPUT; got $OUTPUT"
+
+ALIAS="$(nvm_resolve_local_alias four)"
+[ "_$ALIAS" = "_∞" ] || die "nvm_resolve_local_alias four was not ∞; got $ALIAS"
+OUTPUT="$(nvm alias four)"
+EXPECTED_OUTPUT="four -> two (-> ∞)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm alias four was not $EXPECTED_OUTPUT; got $OUTPUT"
+
--- a/test/fast/Aliases/circular/setup
+++ b/test/fast/Aliases/circular/setup
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+echo loopback > ../../../../alias/loopback
+
+echo two > ../../../../alias/one
+echo three > ../../../../alias/two
+echo one > ../../../../alias/three
+
+echo two > ../../../../alias/four
+
--- a/test/fast/Aliases/circular/teardown
+++ b/test/fast/Aliases/circular/teardown
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+rm -f ../../../../alias/loopback
+
+rm -f ../../../../alias/one
+rm -f ../../../../alias/two
+rm -f ../../../../alias/three
+
+rm -f ../../../../alias/four
+
--- a/test/fast/Aliases/nvm_ensure_default_set
+++ b/test/fast/Aliases/nvm_ensure_default_set
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+nvm alias default 0.1 >/dev/null || die "'nvm alias default 0.1' failed"
+
+nvm_ensure_default_set 0.3 || die "'nvm_ensure_default_set' with an existing default alias exits 0"
+
+nvm unalias default || die "'nvm unalias default' failed"
+
+OUTPUT="$(nvm_ensure_default_set 0.2)"
+EXPECTED_OUTPUT="Creating default alias: default -> 0.2 (-> iojs-v0.2.10)"
+EXIT_CODE="$?"
+
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_ensure_default_set 0.2' did not output '$EXPECTED_OUTPUT', got '$OUTPUT'"
+[ "_$EXIT_CODE" = "_0" ] || die "'nvm_ensure_default_set 0.2' did not exit with 0, got $EXIT_CODE"
--- a/test/fast/Aliases/nvm_resolve_alias
+++ b/test/fast/Aliases/nvm_resolve_alias
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+EXIT_CODE=$(nvm_resolve_alias ; echo $?)
+[ $EXIT_CODE = "1" ] || die "nvm_resolve_alias without an argument did not return 1; got $EXIT_CODE"
+
+for i in $(seq 1 10)
+  do
+  STABLE_ALIAS="$(nvm_resolve_alias test-stable-$i)"
+  [ "_$STABLE_ALIAS" = "_v0.0.$i" ] \
+    || die "'nvm_resolve_alias test-stable-$i' was not v0.0.$i; got $STABLE_ALIAS"
+  UNSTABLE_ALIAS="$(nvm_resolve_alias test-unstable-$i)"
+  [ "_$UNSTABLE_ALIAS" = "_v0.1.$i" ] \
+    || die "'nvm_resolve_alias test-unstable-$i' was not v0.1.$i; got $UNSTABLE_ALIAS"
+done
+
+EXIT_CODE=$(nvm_resolve_alias nonexistent ; echo $?)
+[ $EXIT_CODE = "2" ] || die "'nvm_resolve_alias nonexistent' did not return 2; got $EXIT_CODE"
+
+STABLE="$(nvm_resolve_alias stable)"
+[ "_$STABLE" = "_v0.0" ] || die "'nvm_resolve_alias stable' was not v0.0; got $STABLE"
+
+NODE="$(nvm_resolve_alias node)"
+[ "_$NODE" = "_stable" ] || die "'nvm_resolve_alias node' was not stable; got $NODE"
+
+UNSTABLE="$(nvm_resolve_alias unstable)"
+[ "_$UNSTABLE" = "_v0.1" ] || die "'nvm_resolve_alias unstable' was not v0.1; got $UNSTABLE"
+
+IOJS="$(nvm_resolve_alias iojs)"
+[ "_$IOJS" = "_iojs-v0.2" ] || die "'nvm_resolve_alias iojs' was not iojs-v0.2; got $IOJS"
--- a/test/fast/Aliases/nvm_resolve_local_alias
+++ b/test/fast/Aliases/nvm_resolve_local_alias
@@ -0,0 +1,35 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+EXIT_CODE=$(nvm_resolve_local_alias ; echo $?)
+[ "_$EXIT_CODE" = "_1" ] || die "nvm_resolve_local_alias without an argument did not return 1; got $EXIT_CODE"
+
+for i in $(seq 1 10)
+  do
+  STABLE_ALIAS="$(nvm_resolve_local_alias test-stable-$i)"
+  [ "_$STABLE_ALIAS" = "_v0.0.$i" ] \
+    || die "'nvm_resolve_local_alias test-stable-$i' was not v0.0.$i; got $STABLE_ALIAS"
+  UNSTABLE_ALIAS="$(nvm_resolve_local_alias test-unstable-$i)"
+  [ "_$UNSTABLE_ALIAS" = "_v0.1.$i" ] \
+    || die "'nvm_resolve_local_alias test-unstable-$i' was not v0.1.$i; got $UNSTABLE_ALIAS"
+done
+
+OUTPUT="$(nvm_resolve_local_alias nonexistent)"
+EXIT_CODE=$(nvm_resolve_local_alias nonexistent > /dev/null 2>&1 ; echo $?)
+[ "_$EXIT_CODE" = "_2" ] || die "'nvm_resolve_local_alias nonexistent' did not return 2; got $EXIT_CODE"
+[ "_$OUTPUT" = "_" ] || die "'nvm_resolve_local_alias nonexistent' did not have empty output; got $OUTPUT"
+
+STABLE="$(nvm_resolve_local_alias stable)"
+[ "_$STABLE" = "_v0.0.10" ] || die "'nvm_resolve_local_alias stable' was not v0.0.10; got $STABLE"
+
+NODE="$(nvm_resolve_local_alias node)"
+[ "_$NODE" = "_v0.0.10" ] || die "'nvm_resolve_local_alias node' was not v0.0.10; got $NODE"
+
+UNSTABLE="$(nvm_resolve_local_alias unstable)"
+[ "_$UNSTABLE" = "_v0.1.10" ] || die "'nvm_resolve_local_alias unstable' was not v0.1.10; got $UNSTABLE"
+
+IOJS="$(nvm_resolve_local_alias iojs)"
+[ "_$IOJS" = "_iojs-v0.2.10" ] || die "'nvm_resolve_local_alias iojs' was not iojs-v0.2.10; got $IOJS"
--- a/test/fast/Aliases/setup
+++ b/test/fast/Aliases/setup
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+for i in $(seq 1 10)
+  do
+  echo 0.0.$i > ../../../alias/test-stable-$i
+  mkdir -p ../../../v0.0.$i
+  echo 0.1.$i > ../../../alias/test-unstable-$i
+  mkdir -p ../../../v0.1.$i
+  echo 0.2.$i > ../../../alias/test-iojs-$i
+  mkdir -p ../../../versions/io.js/v0.2.$i
+done
--- a/test/fast/Aliases/setup_dir
+++ b/test/fast/Aliases/setup_dir
@@ -1,6 +0,0 @@
-#!/bin/sh
-
-for i in $(seq 1 10)
-  do
-  echo v0.0.$i > ../../../alias/test$i
-done
--- a/test/fast/Aliases/teardown
+++ b/test/fast/Aliases/teardown
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+for i in $(seq 1 10)
+  do
+  rm -f "../../../alias/test-stable-$i"
+  rm -rf "../../../v0.0.$i"
+  rm -f "../../../alias/test-unstable-$i"
+  rm -rf "../../../v0.1.$i"
+  rm -rf "../../../alias/test-iojs-$i"
+  rm -rf "../../../versions/io.js/v0.2.$i"
+done
+
+rm -f "../../../alias/stable"
+rm -f "../../../alias/unstable"
+rm -f "../../../alias/node"
+rm -f "../../../alias/iojs"
+rm -f "../../../alias/default"
--- a/test/fast/Listing
+++ b/test/fast/Listing
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+mkdir -p ../../../v0.0.2
+mkdir -p ../../../v0.0.20
+mkdir -p ../../../versions/node/v0.12.0
+
+. ../../../nvm.sh
+
+die () { echo $@ ; exit 1; }
+
+# The result should contain only the appropriate version numbers.
+
+nvm which 0.0.2 || die "v0.0.2 not found"
+NVM_BIN="$(nvm which 0.0.2)"
+[ "_$NVM_BIN" = "_$(nvm_version_path v0.0.2)/bin/node" ] \
+  || die "'nvm which 0.0.2' did not contain the correct path: got '$NVM_BIN'"
+
+nvm which 0.0.20 || die "v0.0.20 not found"
+NVM_BIN="$(nvm which 0.0.20)"
+[ "_$NVM_BIN" = "_$(nvm_version_path v0.0.20)/bin/node" ] \
+  || die "'nvm which 0.20.0' did not contain the correct path: got '$NVM_BIN'"
+
+nvm which 0.12.0 || die "v0.0.20 not found"
+NVM_BIN="$(nvm which 0.12.0)"
+[ "_$NVM_BIN" = "_$(nvm_version_path v0.12.0)/bin/node" ] \
+  || die "'nvm which 0.12.0' did not contain the correct path: got '$NVM_BIN'"
+
--- a/test/fast/Listing
+++ b/test/fast/Listing
@@ -0,0 +1,6 @@
+ #!/bin/sh
+
+. ../../../nvm.sh
+
+nvm which nonexistent_version
+[ "_$?" = "_1" ]
--- a/test/fast/Listing
+++ b/test/fast/Listing
@@ -0,0 +1,3 @@
+rmdir ../../../v0.0.2 >/dev/null 2>&1
+rmdir ../../../v0.0.20 >/dev/null 2>&1
+rmdir ../../../v0.12.0 >/dev/null 2>&1
--- a/test/fast/Listing
+++ b/test/fast/Listing
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+mkdir ../../../v0.0.2
+mkdir ../../../v0.0.20
+
+. ../../../nvm.sh
+
+die () { echo $@ ; exit 1; }
+
+# The result should contain only the appropriate version numbers.
+
+nvm ls 0.0.2 | grep 'v0.0.2' > /dev/null
+if [ $? -eq 0 ]; then
+  echo '"nvm ls 0.0.2" contained v0.0.2'
+fi
+
+nvm ls 0.0.2 | grep 'v0.0.20' > /dev/null
+if [ $? -eq 0 ]; then
+  die '"nvm ls 0.0.2" contained v0.0.20'
+fi
+
--- a/test/fast/Listing
+++ b/test/fast/Listing
@@ -0,0 +1,7 @@
+ #!/bin/sh
+
+. ../../../nvm.sh
+
+nvm ls io
+[ "$?" = "3" ]
+
--- a/test/fast/Listing
+++ b/test/fast/Listing
@@ -0,0 +1,7 @@
+ #!/bin/sh
+
+. ../../../nvm.sh
+
+nvm ls node_
+[ "$?" = "3" ]
+
--- a/test/fast/Listing
+++ b/test/fast/Listing
@@ -0,0 +1,29 @@
+ #!/bin/sh
+
+. ../../../nvm.sh
+
+die () { echo $@ ; exit 1; }
+
+mkdir ../../../v0.2.3
+mkdir ../../../v0.3.3
+
+EXPECTED_STABLE="$(nvm_print_implicit_alias local stable)"
+STABLE_VERSION="$(nvm_version "$EXPECTED_STABLE")"
+
+EXPECTED_UNSTABLE="$(nvm_print_implicit_alias local unstable)"
+UNSTABLE_VERSION="$(nvm_version "$EXPECTED_UNSTABLE")"
+
+nvm ls stable | \grep "$STABLE_VERSION" >/dev/null \
+  || die "expected 'nvm ls stable' to give $STABLE_VERSION, got $(nvm ls stable)"
+
+nvm ls unstable | \grep "$UNSTABLE_VERSION" >/dev/null \
+  || die "expected 'nvm ls unstable' to give $UNSTABLE_VERSION, got $(nvm ls unstable)"
+
+mkdir ../../../v0.1.2
+nvm alias stable 0.1
+
+nvm ls stable | \grep -v "$STABLE_VERSION" >/dev/null \
+  || die "'nvm ls stable' contained $STABLE_VERSION instead of v0.1.2"
+nvm ls stable | \grep v0.1.2 >/dev/null \
+  || die "'nvm ls stable' did not contain v0.1.2"
+
--- a/test/fast/Listing
+++ b/test/fast/Listing
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+mkdir -p ../../../v0.0.1
+mkdir -p ../../../v0.0.3
+mkdir -p ../../../v0.0.9
+mkdir -p ../../../v0.3.1
+mkdir -p ../../../v0.3.3
+mkdir -p ../../../v0.3.9
+
+nvm_has_system_node() { return 0; }
+nvm ls system | grep system 2>&1 > /dev/null
+[ $? -eq 0 ] || die '"nvm ls system" did not contain "system" when system node is present'
+
+nvm_has_system_node() { return 1; }
+nvm ls system | grep system 2>&1 > /dev/null
+[ $? -ne 0 ] || die '"nvm ls system" contained "system" when system node is not present'
+
--- a/test/fast/Listing
+++ b/test/fast/Listing
@@ -8,11 +8,17 @@ mkdir ../../../v0.0.9
 mkdir ../../../v0.3.1
 mkdir ../../../v0.3.3
 mkdir ../../../v0.3.9
+mkdir -p ../../../versions/node/v0.12.87
+mkdir -p ../../../versions/node/v0.12.9
+mkdir -p ../../../versions/io.js/v0.1.2
+mkdir -p ../../../versions/io.js/v0.10.2

 # The result should contain the version numbers.
-nvm ls | grep v0.0.1 &&
-nvm ls | grep v0.0.3 &&
-nvm ls | grep v0.0.9 &&
-nvm ls | grep v0.3.1 &&
-nvm ls | grep v0.3.3 &&
-nvm ls | grep v0.3.9
+nvm ls | grep v0.0.1 >/dev/null &&
+nvm ls | grep v0.0.3 >/dev/null &&
+nvm ls | grep v0.0.9 >/dev/null &&
+nvm ls | grep v0.3.1 >/dev/null &&
+nvm ls | grep v0.3.3 >/dev/null &&
+nvm ls | grep v0.3.9 >/dev/null &&
+nvm ls | grep v0.12.87 >/dev/null &&
+nvm ls | grep iojs-v0.1.2 >/dev/null
--- a/test/fast/Listing
+++ b/test/fast/Listing
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+mkdir ../../../v0.1.3
+mkdir ../../../v0.2.3
+mkdir -p ../../../versions/node
+
+. ../../../nvm.sh
+
+[ -z "$(nvm ls | \grep 'versions')" ]
+# The result should contain only the appropriate version numbers.
+
--- a/test/fast/Listing
+++ b/test/fast/Listing
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+mkdir -p ../../../versions/node/v0.12.1
+mkdir ../../../v0.1.3
+
+. ../../../nvm.sh
+
+nvm ls 0.12 | grep v0.12.1 || die '"nvm ls" did not list a version in the versions/ directory'
+nvm ls 0.1 | grep v0.1.3 || die '"nvm ls" did not list a version not in the versions/ directory'
+
--- a/test/fast/Listing
+++ b/test/fast/Listing
@@ -6,6 +6,6 @@ mkdir ../../../v0.1.2

 nvm ls v0.1 | grep v0.1.2 &&
 nvm ls v0.1.2 | grep v0.1.2 &&
-nvm ls v0.1. | grep N/A &&
+nvm ls v0.1. | grep v0.1.2 &&
 nvm ls v0.1.1 | grep N/A

--- a/versions/teardown
+++ b/versions/teardown
@@ -1,11 +1,17 @@
-rmdir ../../../v0.0.1
-rmdir ../../../v0.0.3
-rmdir ../../../v0.0.9
-rmdir ../../../v0.1.2
-rmdir ../../../v0.1.3
-rmdir ../../../v0.2.3
-rmdir ../../../v0.3.1
-rmdir ../../../v0.3.3
-rmdir ../../../v0.3.9
-unalias nvm_has_system_node
+rmdir ../../../v0.0.1 >/dev/null 2>&1
+rmdir ../../../v0.0.2 >/dev/null 2>&1
+rmdir ../../../v0.0.3 >/dev/null 2>&1
+rmdir ../../../v0.0.9 >/dev/null 2>&1
+rmdir ../../../v0.0.20 >/dev/null 2>&1
+rmdir ../../../v0.1.2 >/dev/null 2>&1
+rmdir ../../../v0.1.3 >/dev/null 2>&1
+rmdir ../../../v0.2.3 >/dev/null 2>&1
+rmdir ../../../v0.3.1 >/dev/null 2>&1
+rmdir ../../../v0.3.3 >/dev/null 2>&1
+rmdir ../../../v0.3.9 >/dev/null 2>&1
+rmdir ../../../v0.20.3 >/dev/null 2>&1
+rmdir ../../../versions >/dev/null 2>&1
+unalias nvm_has_system_node >/dev/null 2>&1
+rm -f ../../../alias/stable >/dev/null 2>&1
+rm -f ../../../alias/unstable >/dev/null 2>&1

--- a/test/fast/Running
+++ b/test/fast/Running
@@ -7,8 +7,11 @@ die () { echo $@ ; exit 1; }
 [ `expr $PATH : ".*v0.2.3/.*/bin"` = 0 ] || echo "WARNING: Unexpectedly found v0.2.3 already active" >&2

 . ../../nvm.sh
-nvm use v0.2.3 &&
-[ `expr $PATH : ".*v0.2.3/.*/bin"` != 0 ] && [ `expr $NODE_PATH : ".*v0.2.3/.*/lib/node_modules"` != 0 ] || die "Failed to activate v0.2.3"
+nvm use v0.2.3 || die "Failed to activate v0.2.3"
+[ `expr "$PATH" : ".*v0.2.3/.*/bin"` != 0 ] || die "PATH not set up properly"
+[ `expr "$NODE_PATH" : ".*v0.2.3/.*/lib/node_modules"` = 0 ] || die "NODE_PATH should not contain (npm root -g)"
+# ^ note: NODE_PATH should not contain `npm root -g` since globals should not be requireable

-nvm deactivate &&
-[ `expr $PATH : ".*v0.2.3/.*/bin"` = 0 ] && [ `expr $NODE_PATH : ".*v0.2.3/.*/lib/node_modules"` = 0 ] || die "Failed to deactivate v0.2.3"
+nvm deactivate || die "Failed to deactivate v0.2.3"
+[ `expr "$PATH" : ".*v0.2.3/.*/bin"` = 0 ] || die "PATH not cleaned properly"
+[ `expr "$NODE_PATH" : ".*v0.2.3/.*/lib/node_modules"` = 0 ] || die "NODE_PATH not cleaned properly"
--- a/test/fast/Running
+++ b/test/fast/Running
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+die () { echo $@ ; cleanup ; exit 1; }
+cleanup () {
+  rm -rf ../../v0.10.4
+}
+
+mkdir ../../v0.10.4
+
+. ../../nvm.sh
+
+nvm deactivate >/dev/null 2>&1
+
+INSTALL_ERROR_MSG="$(nvm install v0.10.5 --reinstall-packages-from=0.11 2>&1)"
+EXPECTED_ERROR_MSG="If --reinstall-packages-from is provided, it must point to an installed version of node."
+[ "~$INSTALL_ERROR_MSG" = "~$EXPECTED_ERROR_MSG" ] \
+  || die ""nvm install --reinstall-packages-from" should fail when given an uninstalled version: expected '$EXPECTED_ERROR_MSG', got '$INSTALL_ERROR_MSG'"
+
+INSTALL_EXIT_CODE="$(nvm install v0.10.5 --reinstall-packages-from=0.11 >/dev/null 2>&1; echo $?)"
+[ "~$INSTALL_EXIT_CODE" = "~5" ] \
+  || die ""nvm install --reinstall-packages-from" should exit with code 5 when given an uninstalled version, got $INSTALL_EXIT_CODE"
+
+INSTALL_ERROR_MSG="$(nvm install v0.10.5 --reinstall-packages-from=0.10.5 2>&1)"
+EXPECTED_ERROR_MSG="You can't reinstall global packages from the same version of node you're installing."
+[ "~$INSTALL_ERROR_MSG" = "~$EXPECTED_ERROR_MSG" ] \
+  || die ""nvm install --reinstall-packages-from" should fail when given the same version: expected '$EXPECTED_ERROR_MSG', got '$INSTALL_ERROR_MSG'"
+
+INSTALL_EXIT_CODE="$(nvm install v0.10.5 --reinstall-packages-from=0.10.5 >/dev/null 2>&1; echo $?)"
+[ "~$INSTALL_EXIT_CODE" = "~4" ] \
+  || die ""nvm install --reinstall-packages-from" should exit with code 4 when given the same version, got $INSTALL_EXIT_CODE"
+
--- a/test/fast/Running
+++ b/test/fast/Running
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+die () { echo $@ ; cleanup ; exit 1; }
+
+cleanup() {
+  rm -rf ../../alias/foo
+}
+
+. ../../nvm.sh
+
+echo 'foo' > ../../alias/foo
+
+OUTPUT="$(nvm use foo 2>&1)"
+EXPECTED_OUTPUT='The alias "foo" leads to an infinite loop. Aborting.'
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] \
+  || die "'nvm use foo' did not output '$EXPECTED_OUTPUT'; got '$OUTPUT'"
+
+EXIT_CODE="$(nvm use foo 2>/dev/null ; echo $?)"
+[ "_$EXIT_CODE" = "_8" ] || die "Expected exit code 8; got $EXIT_CODE"
+
+OUTPUT="$(nvm use --silent foo 2>&1)"
+EXPECTED_OUTPUT=''
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] \
+  || die "'nvm use --silent foo' did not output '$EXPECTED_OUTPUT'; got '$OUTPUT'"
+
+EXIT_CODE="$(nvm use --silent foo 2>/dev/null ; echo $?)"
+[ "_$EXIT_CODE" = "_8" ] || die "Expected exit code 8 from 'nvm use --silent foo'; got $EXIT_CODE"
+
+cleanup;
+
--- a/test/fast/Running
+++ b/test/fast/Running
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+die () { echo $@ ; cleanup ; exit 1; }
+
+cleanup() {
+  rm -rf ../../alias/foo
+}
+
+. ../../nvm.sh
+
+echo 'foo' > ../../alias/foo
+
+OUTPUT="$(nvm use foo 2>&1)"
+EXPECTED_OUTPUT='The alias "foo" leads to an infinite loop. Aborting.'
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] \
+  || die "'nvm use foo' did not output '$EXPECTED_OUTPUT'; got '$OUTPUT'"
+
+EXIT_CODE="$(nvm use foo 2>/dev/null ; echo $?)"
+[ "_$EXIT_CODE" = "_8" ] || die "Expected exit code 8; got $EXIT_CODE"
+
+OUTPUT="$(nvm use --silent foo 2>&1)"
+EXPECTED_OUTPUT=''
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] \
+  || die "'nvm use --silent foo' did not output '$EXPECTED_OUTPUT'; got '$OUTPUT'"
+
+EXIT_CODE="$(nvm use --silent foo 2>/dev/null ; echo $?)"
+[ "_$EXIT_CODE" = "_8" ] || die "Expected exit code 8 from 'nvm use --silent foo'; got $EXIT_CODE"
+
+cleanup;
+
--- a/test/fast/Running
+++ b/test/fast/Running
@@ -5,9 +5,18 @@ die () { echo $@ ; exit 1; }
 . ../../nvm.sh

 nvm_has_system_node() { return 0; }
-[ "$(nvm use system 2>&1 | tail -n1)" = "Now using system version of node: $(node -v)." ] || die "Could not use system version of node"
+nvm_print_npm_version() { return ' (npm v1.2.3)'; }
+EXPECTED_OUTPUT="Now using system version of node: $(node -v)$(nvm_print_npm_version)"
+[ "$(nvm use system 2>&1 | tail -n1)" = "$EXPECTED_OUTPUT" ] || die "Could not use system version of node"
+EXPECTED_OUTPUT=""
+[ "$(nvm use --silent system 2>&1 | tail -n1)" = "$EXPECTED_OUTPUT" ] || die "Could not use system version of node or --silent was not silent"

 nvm_has_system_node() { return 1; }
-[ "$(nvm use system 2>&1 | tail -n1)" = "System version of node not found." ] || die "Did not report error, system node not found"
+nvm_print_npm_version() { return ''; }
+EXPECTED_OUTPUT="System version of node not found."
+[ "$(nvm use system 2>&1 | tail -n1)" = "$EXPECTED_OUTPUT" ] || die "Did not report error, system node not found"
 nvm use system 2>&1 > /dev/null || [ $? -eq 127 ] || die "Did not return error code, system node not found"
+EXPECTED_OUTPUT=""
+[ "$(nvm use --silent system 2>&1 | tail -n1)" = "$EXPECTED_OUTPUT" ] || die "Did not report error, system node not found or --silent was not silent"
+nvm use --silent system 2>&1 > /dev/null || [ $? -eq 127 ] || die "Did not return error code, system node not found or --silent was not silent"

--- a/test/fast/Running
+++ b/test/fast/Running
@@ -1,5 +1,6 @@
 #!/bin/bash

+export NVM_SYMLINK_CURRENT=true
 . ../../nvm.sh

 rm -rf ../../v0.10.29
--- a/test/fast/Running
+++ b/test/fast/Running
@@ -0,0 +1,84 @@
+#!/bin/bash
+
+. ../../nvm.sh
+
+TEST_NODE_VERSION="v0.10.29"
+
+TEST_COUNT=0
+TEST_PASSED=0
+TEST_FAILED=0
+
+function registerExpectedSymlink() {
+  registerResult ${1}
+}
+
+function registerExpectedNoSymlink() {
+  [ ${1} -ne 0 ]
+  registerResult $?
+}
+
+function registerResult() {
+  result=${1}
+
+  TEST_COUNT=$(($TEST_COUNT + 1))
+
+  [ ${result} -eq 0 ] \
+    && TEST_PASSED=$(($TEST_PASSED + 1)) \
+    || TEST_FAILED=$(($TEST_FAILED + 1))
+}
+
+function cleanup() {
+  rm -rf ../../${TEST_NODE_VERSION}
+  rm -f ../../current
+}
+
+function runNvmUse() {
+  mkdir ../../${TEST_NODE_VERSION}
+  nvm use ${TEST_NODE_VERSION} > /dev/null 2>&1
+  rmdir ../../${TEST_NODE_VERSION}
+}
+
+function isCurrentSymlinkPresent() {
+  [ -L ../../current ]
+}
+
+NVM_SYMLINK_CURRENT=false
+cleanup
+runNvmUse
+isCurrentSymlinkPresent && echo >&2 "Expected 'current' symlink not to be created when NVM_SYMLINK_CURRENT=false!"
+registerExpectedNoSymlink $?
+
+NVM_SYMLINK_CURRENT=true
+cleanup
+runNvmUse
+isCurrentSymlinkPresent || echo >&2 "Expected 'current' symlink to be created when NVM_SYMLINK_CURRENT=true!"
+registerExpectedSymlink $?
+
+NVM_SYMLINK_CURRENT=garbagevalue
+cleanup
+runNvmUse
+isCurrentSymlinkPresent && echo >&2 "Expected 'current' symlink not to be created when NVM_SYMLINK_CURRENT contains a string!"
+registerExpectedNoSymlink $?
+
+NVM_SYMLINK_CURRENT=0
+cleanup
+runNvmUse
+isCurrentSymlinkPresent && echo >&2 "Expected 'current' symlink not to be created when NVM_SYMLINK_CURRENT=0!"
+registerExpectedNoSymlink $?
+
+NVM_SYMLINK_CURRENT=1
+cleanup
+runNvmUse
+isCurrentSymlinkPresent && echo >&2 "Expected 'current' symlink not to be created when NVM_SYMLINK_CURRENT=1!"
+registerExpectedNoSymlink $?
+
+unset NVM_SYMLINK_CURRENT
+cleanup
+runNvmUse
+isCurrentSymlinkPresent && echo >&2 "Expected 'current' symlink not to be created when NVM_SYMLINK_CURRENT has been unset (default behaviour)!"
+registerExpectedNoSymlink $?
+
+cleanup
+
+[ ${TEST_FAILED} -ne 0 ] && echo "${TEST_COUNT} tested, ${TEST_PASSED} passed, ${TEST_FAILED} failed" && exit 1 || true
+
--- a/tests/nvm_add_iojs_prefix
+++ b/tests/nvm_add_iojs_prefix
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+[ "_$(nvm_add_iojs_prefix 1)" = "_iojs-v1" ] || die '"nvm_add_iojs_prefix 1" did not return "iojs-v1"'
+[ "_$(nvm_add_iojs_prefix iojs-1)" = "_iojs-v1" ] || die '"nvm_add_iojs_prefix iojs-1" did not return "iojs-v1"'
+[ "_$(nvm_add_iojs_prefix iojs-1.2.3)" = "_iojs-v1.2.3" ] || die '"nvm_add_iojs_prefix iojs-1.2.3" did not return "iojs-v1.2.3"'
--- a/tests/nvm_alias
+++ b/tests/nvm_alias
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+die () { echo $@ ; cleanup ; exit 1; }
+
+cleanup () {
+  rm -rf ../../../alias/test
+}
+
+. ../../../nvm.sh
+
+OUTPUT="$(nvm_alias 2>&1)"
+EXPECTED_OUTPUT='An alias is required.'
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_alias' produced wrong output; got $OUTPUT"
+
+EXIT_CODE="$(nvm_alias >/dev/null 2>&1 ; echo $?)"
+[ "_$EXIT_CODE" = "_1" ] || die "'nvm_alias' exited with $EXIT_CODE, expected 1"
+
+rm -rf ../../../alias/nonexistent
+
+OUTPUT="$(nvm_alias nonexistent 2>&1)"
+EXPECTED_OUTPUT='Alias does not exist.'
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_alias nonexistent' produced wrong output; got $OUTPUT"
+
+EXIT_CODE="$(nvm_alias nonexistent >/dev/null 2>&1 ; echo $?)"
+[ "_$EXIT_CODE" = "_2" ] || die "'nvm_alias nonexistent' exited with $EXIT_CODE, expected 2"
+
+EXPECTED_OUTPUT="0.10"
+nvm alias test "$EXPECTED_OUTPUT" || die "'nvm alias test $EXPECTED_OUTPUT' failed"
+OUTPUT="$(nvm_alias test)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_alias test' produced wrong output; got $OUTPUT"
+
+cleanup
+
--- a/tests/nvm_alias_path
+++ b/tests/nvm_alias_path
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+[ "_$(nvm_alias_path)" = "_$NVM_DIR/alias" ] || die "nvm_alias_path did not requrn correct location"
+
--- a/tests/nvm_checksum
+++ b/tests/nvm_checksum
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+cleanup () {
+  rm tmp/emptyfile tmp/testfile
+  rmdir tmp
+}
+die () { echo $@ ; cleanup; exit 1; }
+
+. ../../../nvm.sh
+
+mkdir -p tmp
+touch tmp/emptyfile
+echo -n "test" > tmp/testfile
+
+nvm_checksum tmp/emptyfile "da39a3ee5e6b4b0d3255bfef95601890afd80709" || die "nvm_checksum on an empty file did not match the SHA1 digest of the empty string"
+nvm_checksum tmp/testfile "da39a3ee5e6b4b0d3255bfef95601890afd80709" && die "nvm_checksum allowed a bad checksum"
+
+cleanup
--- a/tests/nvm_ensure_default_set
+++ b/tests/nvm_ensure_default_set
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+EXPECTED_OUTPUT="nvm_ensure_default_set: a version is required"
+OUTPUT="$(nvm_ensure_default_set 2>&1 >/dev/null)"
+EXIT_CODE="$?"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_ensure_default_set' did not output "$EXPECTED_OUTPUT", got "$OUTPUT""
+[ "_$EXIT_CODE" = "_1" ] || die "'nvm_ensure_default_set' did not exit with 1, got "$EXIT_CODE""
+
+# see test/fast/Aliases for remaining nvm_ensure_default_set tests
--- a/tests/nvm_ensure_version_installed
+++ b/tests/nvm_ensure_version_installed
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+die () { echo $@ ; cleanup ; exit 1; }
+cleanup () {
+  rm -rf "$(nvm_version_path v0.1.2)"
+}
+
+. ../../../nvm.sh
+
+mkdir -p "$(nvm_version_path v0.1.2)"
+
+OUTPUT="$(nvm_ensure_version_installed foo 2>&1)"
+EXIT_CODE=$?
+EXPECTED_OUTPUT='N/A: version "foo" is not yet installed'
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "expected 'nvm_ensure_version_installed foo' to give $EXPECTED_OUTPUT, got $OUTPUT"
+[ "_$EXIT_CODE" = "_1" ] || die "expected 'nvm_ensure_version_installed foo' to exit with 1, got $EXIT_CODE"
+
+OUTPUT="$(nvm_ensure_version_installed 0.1)"
+EXIT_CODE=$?
+[ "_$OUTPUT" = "_" ] || die "expected 'nvm_ensure_version_installed 0.1' to have no output, got $OUTPUT"
+[ "_$EXIT_CODE" = "_0" ] || die "expected 'nvm_ensure_version_installed 0.1' to exit with 0, got $EXIT_CODE"
+
+cleanup
--- a/tests/nvm_ensure_version_prefix
+++ b/tests/nvm_ensure_version_prefix
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+[ "_$(nvm_ensure_version_prefix 1)" = "_v1" ] || die '"nvm_ensure_version_prefix 1" did not return "v1"'
+[ "_$(nvm_ensure_version_prefix v1)" = "_v1" ] || die '"nvm_ensure_version_prefix v1" did not return "v1"'
+[ "_$(nvm_ensure_version_prefix foo)" = "_foo" ] || die '"nvm_ensure_version_prefix foo" did not return "foo"'
+
+[ "_$(nvm_ensure_version_prefix iojs-1)" = "_iojs-v1" ] || die '"nvm_ensure_version_prefix iojs-1" did not return "iojs-v1"'
+[ "_$(nvm_ensure_version_prefix iojs-v1)" = "_iojs-v1" ] || die '"nvm_ensure_version_prefix iojs-v1" did not return "iojs-v1"'
--- a/tests/nvm_find_up
+++ b/tests/nvm_find_up
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+die () { echo $@ ; cleanup ; exit 1; }
+setup() {
+  cleanup
+  mkdir -p tmp_nvm_find_up/a/b/c/d
+  touch tmp_nvm_find_up/test
+  touch tmp_nvm_find_up/a/b/c/test
+}
+cleanup () {
+  rm -rf tmp_nvm_find_up
+}
+
+. ../../../nvm.sh
+
+setup
+
+TEST_DIR="$PWD"
+
+[ "~$(PWD=$TEST_DIR/tmp_nvm_find_up/a nvm_find_up 'test')" = "~$TEST_DIR/tmp_nvm_find_up" ] || die "failed to find 1 dir up"
+[ "~$(PWD=$TEST_DIR/tmp_nvm_find_up/a/b nvm_find_up 'test')" = "~$TEST_DIR/tmp_nvm_find_up" ] || die "failed to find 2 dirs up"
+[ "~$(PWD=$TEST_DIR/tmp_nvm_find_up/a/b/c nvm_find_up 'test')" = "~$TEST_DIR/tmp_nvm_find_up/a/b/c" ] || die "failed to find in current dir"
+[ "~$(PWD=$TEST_DIR/tmp_nvm_find_up/a/b/c/d nvm_find_up 'test')" = "~$TEST_DIR/tmp_nvm_find_up/a/b/c" ] || die "failed to find 1 level up from current dir"
+
+cleanup
+
--- a/tests/nvm_format_version
+++ b/tests/nvm_format_version
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+OUTPUT="$(nvm_format_version 0.1.2)"
+EXPECTED_OUTPUT="v0.1.2"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm_format_version 0.1.2 did not return $EXPECTED_OUTPUT; got $OUTPUT"
+
+OUTPUT="$(nvm_format_version 0.1)"
+EXPECTED_OUTPUT="v0.1.0"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm_format_version 0.1.0 did not return $EXPECTED_OUTPUT; got $OUTPUT"
+
--- a/tests/nvm_get_latest
+++ b/tests/nvm_get_latest
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+die () { echo $@ ; cleanup ; exit 1; }
+
+cleanup() {
+  unset -f nvm_has
+}
+
+. ../../../nvm.sh
+
+nvm_has() { return 1 ; }
+
+OUTPUT="$(nvm_get_latest 2>&1)"
+EXIT_CODE="$(nvm_get_latest >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_nvm needs curl or wget to proceed." ] \
+  || die "no curl/wget did not report correct error message, got '$OUTPUT'"
+[ "_$EXIT_CODE" = "_1" ] \
+  || die "no curl/wget did not exit with code 1, got $EXIT_CODE"
+
+cleanup
--- a/test/fast/Unit
+++ b/test/fast/Unit
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+nvm_has cat && type cat > /dev/null || die 'nvm_has locates "cat" properly'
+
+[ "~$(nvm_has foobarbaz 2>&1)" = "~" ] || die "nvm_has does not suppress error output"
+
+! nvm_has foobarbaz && ! type foobarbaz >/dev/null 2>&1 || die "nvm_has does not return a nonzero exit code when not found"
+
--- a/tests/nvm_has_system_iojs
+++ b/tests/nvm_has_system_iojs
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+cleanup () {
+  rm ../../../versions/io.js/v0.1.2/node
+  rm ../../../versions/io.js/v0.1.2/iojs
+  rmdir ../../../versions/io.js/v0.1.2
+}
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+mkdir ../../../versions/io.js/v0.1.2
+touch ../../../versions/io.js/v0.1.2/node
+touch ../../../versions/io.js/v0.1.2/iojs
+
+nvm use iojs-v0.1.2
+
+if command -v iojs; then
+  nvm_has_system_iojs
+else
+  ! nvm_has_system_iojs
+fi
+
+nvm deactivate /dev/null 2>&1
+
+if command -v iojs; then
+  nvm_has_system_iojs
+else
+  ! nvm_has_system_iojs
+fi
+
--- a/tests/nvm_iojs_prefix
+++ b/tests/nvm_iojs_prefix
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+[ "$(nvm_iojs_prefix)" = "iojs" ] || die '"nvm_iojs_prefix" did not return the string "iojs". why did this fail?!'
--- a/tests/nvm_is_alias
+++ b/tests/nvm_is_alias
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+cleanup () { unalias foo; unalias grep; }
+die () { echo $@ ; cleanup ; exit 1; }
+
+. ../../../nvm.sh
+
+alias foo='bar'
+nvm_is_alias foo || die '"nvm_is_alias foo" was not true'
+
+! nvm_is_alias nvm_is_alias || die '"nvm_is_alias nvm_is_alias was not false'
+
+alias grep='grep'
+unalias grep || die '"unalias grep" failed'
+! nvm_is_alias grep || die '"nvm_is_alias grep" with unaliased grep was not false'
+
+alias grep='grep'
+nvm_is_alias grep || die '"nvm_is_alias grep" with aliased grep was not true'
+
+cleanup
--- a/tests/nvm_is_iojs_version
+++ b/tests/nvm_is_iojs_version
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+nvm_is_iojs_version 'iojs-' || die '"nvm_is_iojs_version iojs- was not true'
+nvm_is_iojs_version 'iojs-foo' || die '"nvm_is_iojs_version iojs- was not true'
+! nvm_is_iojs_version 'iojs' || die '"nvm_is_iojs_version iojs was not false'
+! nvm_is_iojs_version 'v1.0.0' || die '"nvm_is_iojs_version v1.0.0" was not false'
--- a/tests/nvm_is_valid_version
+++ b/tests/nvm_is_valid_version
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+nvm_is_valid_version 0.1.2 || die "nvm_is_valid_version 0.1.2 did not return 0"
+nvm_is_valid_version foo && die "nvm_is_valid_version foo did not return 1"
+nvm_is_valid_version iojs-1 || die "nvm_is_valid_version iojs-1 did not return 0"
+nvm_is_valid_version iojs || die "nvm_is_valid_version iojs did not return 0"
+nvm_is_valid_version node || die "nvm_is_valid_version node did not return 0"
+nvm_is_valid_version stable || die "nvm_is_valid_version stable did not return 0"
+nvm_is_valid_version unstable || die "nvm_is_valid_version unstable did not return 0"
--- a/tests/nvm_ls_current
+++ b/tests/nvm_ls_current
@@ -0,0 +1,37 @@
+#!/bin/sh
+
+TEST_PWD=$(pwd)
+TEST_DIR="$TEST_PWD/nvm_ls_current_tmp"
+
+cleanup() { rm -rf "$TEST_DIR"; unset -f return_zero; alias node='node' ; unalias node; }
+die () { echo $@ ; cleanup ; exit 1; }
+
+. ../../../nvm.sh
+
+return_zero () { return 0; }
+
+if nvm_has_system_node || nvm_has_system_iojs; then
+  EXPECTED_SYSTEM_NODE="system"
+else
+  EXPECTED_SYSTEM_NODE="none"
+fi
+[ "_$(nvm deactivate > /dev/null 2>&1 ; nvm_ls_current)" = "_$EXPECTED_SYSTEM_NODE" ] || die "when deactivated, did not return $EXPECTED_SYSTEM_NODE"
+
+rm -rf "$TEST_DIR"
+mkdir "$TEST_DIR"
+ln -s "$(command which which)" "$TEST_DIR/which"
+ln -s "$(command which dirname)" "$TEST_DIR/dirname"
+
+[ "$(PATH="$TEST_DIR" nvm_ls_current)" = "none" ] || die 'when node not installed, nvm_ls_current did not return "none"'
+[ "@$(PATH="$TEST_DIR" nvm_ls_current 2> /dev/stdout 1> /dev/null)@" = "@@" ] || die 'when node not installed, nvm_ls_current returned error output'
+
+echo "#!/bin/bash" > "$TEST_DIR/node"
+echo "echo 'VERSION FOO!'" > "$TEST_DIR/node"
+chmod a+x "$TEST_DIR/node"
+
+[ "$(alias nvm_tree_contains_path='return_zero' && PATH="$TEST_DIR" nvm_ls_current)" = "VERSION FOO!" ] || die 'when activated, did not return nvm node version'
+
+alias node='node --harmony'
+[ "$(alias nvm_tree_contains_path='return_zero' && PATH="$TEST_DIR" nvm_ls_current)" = "VERSION FOO!" ] || die 'when activated and node aliased, did not return nvm node version'
+
+cleanup
--- a/tests/nvm_ls_remote
+++ b/tests/nvm_ls_remote
@@ -0,0 +1,485 @@
+#!/bin/sh
+
+die () { echo $@ ; cleanup ; exit 1; }
+
+cleanup() {
+  unset -f nvm_download
+}
+
+. ../../../nvm.sh
+
+# sample output at the time the test was written
+nvm_download() {
+  echo 'foo "v0.10.0'
+  echo 'foo "v0.10.0'
+  echo 'foo "v0.10.1'
+  echo 'foo "v0.10.1'
+  echo 'foo "v0.10.10'
+  echo 'foo "v0.10.10'
+  echo 'foo "v0.10.11'
+  echo 'foo "v0.10.11'
+  echo 'foo "v0.10.12'
+  echo 'foo "v0.10.12'
+  echo 'foo "v0.10.13'
+  echo 'foo "v0.10.13'
+  echo 'foo "v0.10.14'
+  echo 'foo "v0.10.14'
+  echo 'foo "v0.10.15'
+  echo 'foo "v0.10.15'
+  echo 'foo "v0.10.16'
+  echo 'foo "v0.10.16'
+  echo 'foo "v0.10.16'
+  echo 'foo "v0.10.16'
+  echo 'foo "v0.10.17'
+  echo 'foo "v0.10.17'
+  echo 'foo "v0.10.18'
+  echo 'foo "v0.10.18'
+  echo 'foo "v0.10.19'
+  echo 'foo "v0.10.19'
+  echo 'foo "v0.10.2'
+  echo 'foo "v0.10.2'
+  echo 'foo "v0.10.20'
+  echo 'foo "v0.10.20'
+  echo 'foo "v0.10.21'
+  echo 'foo "v0.10.21'
+  echo 'foo "v0.10.22'
+  echo 'foo "v0.10.22'
+  echo 'foo "v0.10.23'
+  echo 'foo "v0.10.23'
+  echo 'foo "v0.10.24'
+  echo 'foo "v0.10.24'
+  echo 'foo "v0.10.25'
+  echo 'foo "v0.10.25'
+  echo 'foo "v0.10.26'
+  echo 'foo "v0.10.26'
+  echo 'foo "v0.10.27'
+  echo 'foo "v0.10.27'
+  echo 'foo "v0.10.28'
+  echo 'foo "v0.10.28'
+  echo 'foo "v0.10.29'
+  echo 'foo "v0.10.29'
+  echo 'foo "v0.10.3'
+  echo 'foo "v0.10.3'
+  echo 'foo "v0.10.30'
+  echo 'foo "v0.10.30'
+  echo 'foo "v0.10.31'
+  echo 'foo "v0.10.31'
+  echo 'foo "v0.10.32'
+  echo 'foo "v0.10.32'
+  echo 'foo "v0.10.4'
+  echo 'foo "v0.10.4'
+  echo 'foo "v0.10.5'
+  echo 'foo "v0.10.5'
+  echo 'foo "v0.10.6'
+  echo 'foo "v0.10.6'
+  echo 'foo "v0.10.7'
+  echo 'foo "v0.10.7'
+  echo 'foo "v0.10.8'
+  echo 'foo "v0.10.8'
+  echo 'foo "v0.10.9'
+  echo 'foo "v0.10.9'
+  echo 'foo "v0.11.0'
+  echo 'foo "v0.11.0'
+  echo 'foo "v0.11.1'
+  echo 'foo "v0.11.1'
+  echo 'foo "v0.11.10'
+  echo 'foo "v0.11.10'
+  echo 'foo "v0.11.11'
+  echo 'foo "v0.11.11'
+  echo 'foo "v0.11.12'
+  echo 'foo "v0.11.12'
+  echo 'foo "v0.11.13'
+  echo 'foo "v0.11.13'
+  echo 'foo "v0.11.14'
+  echo 'foo "v0.11.14'
+  echo 'foo "v0.11.2'
+  echo 'foo "v0.11.2'
+  echo 'foo "v0.11.3'
+  echo 'foo "v0.11.3'
+  echo 'foo "v0.11.4'
+  echo 'foo "v0.11.4'
+  echo 'foo "v0.11.5'
+  echo 'foo "v0.11.5'
+  echo 'foo "v0.11.6'
+  echo 'foo "v0.11.6'
+  echo 'foo "v0.11.7'
+  echo 'foo "v0.11.7'
+  echo 'foo "v0.11.8'
+  echo 'foo "v0.11.8'
+  echo 'foo "v0.11.9'
+  echo 'foo "v0.11.9'
+  echo 'foo "v0.5.1'
+  echo 'foo "v0.5.1'
+  echo 'foo "v0.5.10'
+  echo 'foo "v0.5.10'
+  echo 'foo "v0.5.2'
+  echo 'foo "v0.5.2'
+  echo 'foo "v0.5.3'
+  echo 'foo "v0.5.3'
+  echo 'foo "v0.5.4'
+  echo 'foo "v0.5.4'
+  echo 'foo "v0.5.5'
+  echo 'foo "v0.5.5'
+  echo 'foo "v0.5.6'
+  echo 'foo "v0.5.6'
+  echo 'foo "v0.5.7'
+  echo 'foo "v0.5.7'
+  echo 'foo "v0.5.8'
+  echo 'foo "v0.5.8'
+  echo 'foo "v0.5.9'
+  echo 'foo "v0.5.9'
+  echo 'foo "v0.6.0'
+  echo 'foo "v0.6.0'
+  echo 'foo "v0.6.1'
+  echo 'foo "v0.6.1'
+  echo 'foo "v0.6.10'
+  echo 'foo "v0.6.10'
+  echo 'foo "v0.6.11'
+  echo 'foo "v0.6.11'
+  echo 'foo "v0.6.12'
+  echo 'foo "v0.6.12'
+  echo 'foo "v0.6.13'
+  echo 'foo "v0.6.13'
+  echo 'foo "v0.6.14'
+  echo 'foo "v0.6.14'
+  echo 'foo "v0.6.15'
+  echo 'foo "v0.6.15'
+  echo 'foo "v0.6.16'
+  echo 'foo "v0.6.16'
+  echo 'foo "v0.6.17'
+  echo 'foo "v0.6.17'
+  echo 'foo "v0.6.18'
+  echo 'foo "v0.6.18'
+  echo 'foo "v0.6.19'
+  echo 'foo "v0.6.19'
+  echo 'foo "v0.6.2'
+  echo 'foo "v0.6.2'
+  echo 'foo "v0.6.20'
+  echo 'foo "v0.6.20'
+  echo 'foo "v0.6.21'
+  echo 'foo "v0.6.21'
+  echo 'foo "v0.6.3'
+  echo 'foo "v0.6.3'
+  echo 'foo "v0.6.4'
+  echo 'foo "v0.6.4'
+  echo 'foo "v0.6.5'
+  echo 'foo "v0.6.5'
+  echo 'foo "v0.6.6'
+  echo 'foo "v0.6.6'
+  echo 'foo "v0.6.7'
+  echo 'foo "v0.6.7'
+  echo 'foo "v0.6.8'
+  echo 'foo "v0.6.8'
+  echo 'foo "v0.6.9'
+  echo 'foo "v0.6.9'
+  echo 'foo "v0.7.0'
+  echo 'foo "v0.7.0'
+  echo 'foo "v0.7.1'
+  echo 'foo "v0.7.1'
+  echo 'foo "v0.7.10'
+  echo 'foo "v0.7.10'
+  echo 'foo "v0.7.11'
+  echo 'foo "v0.7.11'
+  echo 'foo "v0.7.12'
+  echo 'foo "v0.7.12'
+  echo 'foo "v0.7.2'
+  echo 'foo "v0.7.2'
+  echo 'foo "v0.7.3'
+  echo 'foo "v0.7.3'
+  echo 'foo "v0.7.4'
+  echo 'foo "v0.7.4'
+  echo 'foo "v0.7.5'
+  echo 'foo "v0.7.5'
+  echo 'foo "v0.7.6'
+  echo 'foo "v0.7.6'
+  echo 'foo "v0.7.7'
+  echo 'foo "v0.7.7'
+  echo 'foo "v0.7.8'
+  echo 'foo "v0.7.8'
+  echo 'foo "v0.7.9'
+  echo 'foo "v0.7.9'
+  echo 'foo "v0.8.0'
+  echo 'foo "v0.8.0'
+  echo 'foo "v0.8.1'
+  echo 'foo "v0.8.1'
+  echo 'foo "v0.8.10'
+  echo 'foo "v0.8.10'
+  echo 'foo "v0.8.11'
+  echo 'foo "v0.8.11'
+  echo 'foo "v0.8.12'
+  echo 'foo "v0.8.12'
+  echo 'foo "v0.8.13'
+  echo 'foo "v0.8.13'
+  echo 'foo "v0.8.14'
+  echo 'foo "v0.8.14'
+  echo 'foo "v0.8.15'
+  echo 'foo "v0.8.15'
+  echo 'foo "v0.8.16'
+  echo 'foo "v0.8.16'
+  echo 'foo "v0.8.17'
+  echo 'foo "v0.8.17'
+  echo 'foo "v0.8.18'
+  echo 'foo "v0.8.18'
+  echo 'foo "v0.8.19'
+  echo 'foo "v0.8.19'
+  echo 'foo "v0.8.2'
+  echo 'foo "v0.8.2'
+  echo 'foo "v0.8.20'
+  echo 'foo "v0.8.20'
+  echo 'foo "v0.8.21'
+  echo 'foo "v0.8.21'
+  echo 'foo "v0.8.22'
+  echo 'foo "v0.8.22'
+  echo 'foo "v0.8.23'
+  echo 'foo "v0.8.23'
+  echo 'foo "v0.8.24'
+  echo 'foo "v0.8.24'
+  echo 'foo "v0.8.25'
+  echo 'foo "v0.8.25'
+  echo 'foo "v0.8.26'
+  echo 'foo "v0.8.26'
+  echo 'foo "v0.8.27'
+  echo 'foo "v0.8.27'
+  echo 'foo "v0.8.28'
+  echo 'foo "v0.8.28'
+  echo 'foo "v0.8.3'
+  echo 'foo "v0.8.3'
+  echo 'foo "v0.8.4'
+  echo 'foo "v0.8.4'
+  echo 'foo "v0.8.5'
+  echo 'foo "v0.8.5'
+  echo 'foo "v0.8.6'
+  echo 'foo "v0.8.6'
+  echo 'foo "v0.8.7'
+  echo 'foo "v0.8.7'
+  echo 'foo "v0.8.8'
+  echo 'foo "v0.8.8'
+  echo 'foo "v0.8.9'
+  echo 'foo "v0.8.9'
+  echo 'foo "v0.9.0'
+  echo 'foo "v0.9.0'
+  echo 'foo "v0.9.1'
+  echo 'foo "v0.9.1'
+  echo 'foo "v0.9.10'
+  echo 'foo "v0.9.10'
+  echo 'foo "v0.9.11'
+  echo 'foo "v0.9.11'
+  echo 'foo "v0.9.12'
+  echo 'foo "v0.9.12'
+  echo 'foo "v0.9.2'
+  echo 'foo "v0.9.2'
+  echo 'foo "v0.9.3'
+  echo 'foo "v0.9.3'
+  echo 'foo "v0.9.4'
+  echo 'foo "v0.9.4'
+  echo 'foo "v0.9.5'
+  echo 'foo "v0.9.5'
+  echo 'foo "v0.9.6'
+  echo 'foo "v0.9.6'
+  echo 'foo "v0.9.7'
+  echo 'foo "v0.9.7'
+  echo 'foo "v0.9.8'
+  echo 'foo "v0.9.8'
+  echo 'foo "v0.9.9'
+  echo 'foo "v0.9.9'
+  echo 'foo "v0.1.100'
+  echo 'foo "v0.1.100'
+  echo 'foo "v0.1.101'
+  echo 'foo "v0.1.101'
+  echo 'foo "v0.1.102'
+  echo 'foo "v0.1.102'
+  echo 'foo "v0.1.103'
+  echo 'foo "v0.1.103'
+  echo 'foo "v0.1.104'
+  echo 'foo "v0.1.104'
+  echo 'foo "v0.1.14'
+  echo 'foo "v0.1.14'
+  echo 'foo "v0.1.15'
+  echo 'foo "v0.1.15'
+  echo 'foo "v0.1.16'
+  echo 'foo "v0.1.16'
+  echo 'foo "v0.1.17'
+  echo 'foo "v0.1.17'
+  echo 'foo "v0.1.18'
+  echo 'foo "v0.1.18'
+  echo 'foo "v0.1.19'
+  echo 'foo "v0.1.19'
+  echo 'foo "v0.1.20'
+  echo 'foo "v0.1.20'
+  echo 'foo "v0.1.21'
+  echo 'foo "v0.1.21'
+  echo 'foo "v0.1.22'
+  echo 'foo "v0.1.22'
+  echo 'foo "v0.1.23'
+  echo 'foo "v0.1.23'
+  echo 'foo "v0.1.24'
+  echo 'foo "v0.1.24'
+  echo 'foo "v0.1.25'
+  echo 'foo "v0.1.25'
+  echo 'foo "v0.1.26'
+  echo 'foo "v0.1.26'
+  echo 'foo "v0.1.27'
+  echo 'foo "v0.1.27'
+  echo 'foo "v0.1.28'
+  echo 'foo "v0.1.28'
+  echo 'foo "v0.1.29'
+  echo 'foo "v0.1.29'
+  echo 'foo "v0.1.30'
+  echo 'foo "v0.1.30'
+  echo 'foo "v0.1.31'
+  echo 'foo "v0.1.31'
+  echo 'foo "v0.1.32'
+  echo 'foo "v0.1.32'
+  echo 'foo "v0.1.33'
+  echo 'foo "v0.1.33'
+  echo 'foo "v0.1.90'
+  echo 'foo "v0.1.90'
+  echo 'foo "v0.1.91'
+  echo 'foo "v0.1.91'
+  echo 'foo "v0.1.92'
+  echo 'foo "v0.1.92'
+  echo 'foo "v0.1.93'
+  echo 'foo "v0.1.93'
+  echo 'foo "v0.1.94'
+  echo 'foo "v0.1.94'
+  echo 'foo "v0.1.95'
+  echo 'foo "v0.1.95'
+  echo 'foo "v0.1.96'
+  echo 'foo "v0.1.96'
+  echo 'foo "v0.1.97'
+  echo 'foo "v0.1.97'
+  echo 'foo "v0.1.98'
+  echo 'foo "v0.1.98'
+  echo 'foo "v0.1.99'
+  echo 'foo "v0.1.99'
+  echo 'foo "v0.10.14'
+  echo 'foo "v0.10.14'
+  echo 'foo "v0.2.0'
+  echo 'foo "v0.2.0'
+  echo 'foo "v0.2.1'
+  echo 'foo "v0.2.1'
+  echo 'foo "v0.2.2'
+  echo 'foo "v0.2.2'
+  echo 'foo "v0.2.3'
+  echo 'foo "v0.2.3'
+  echo 'foo "v0.2.4'
+  echo 'foo "v0.2.4'
+  echo 'foo "v0.2.5'
+  echo 'foo "v0.2.5'
+  echo 'foo "v0.2.6'
+  echo 'foo "v0.2.6'
+  echo 'foo "v0.3.0'
+  echo 'foo "v0.3.0'
+  echo 'foo "v0.3.1'
+  echo 'foo "v0.3.1'
+  echo 'foo "v0.3.2'
+  echo 'foo "v0.3.2'
+  echo 'foo "v0.3.3'
+  echo 'foo "v0.3.3'
+  echo 'foo "v0.3.4'
+  echo 'foo "v0.3.4'
+  echo 'foo "v0.3.5'
+  echo 'foo "v0.3.5'
+  echo 'foo "v0.3.6'
+  echo 'foo "v0.3.6'
+  echo 'foo "v0.3.7'
+  echo 'foo "v0.3.7'
+  echo 'foo "v0.3.8'
+  echo 'foo "v0.3.8'
+  echo 'foo "v0.4.0'
+  echo 'foo "v0.4.0'
+  echo 'foo "v0.4.1'
+  echo 'foo "v0.4.1'
+  echo 'foo "v0.4.10'
+  echo 'foo "v0.4.10'
+  echo 'foo "v0.4.11'
+  echo 'foo "v0.4.11'
+  echo 'foo "v0.4.12'
+  echo 'foo "v0.4.12'
+  echo 'foo "v0.4.2'
+  echo 'foo "v0.4.2'
+  echo 'foo "v0.4.3'
+  echo 'foo "v0.4.3'
+  echo 'foo "v0.4.4'
+  echo 'foo "v0.4.4'
+  echo 'foo "v0.4.5'
+  echo 'foo "v0.4.5'
+  echo 'foo "v0.4.6'
+  echo 'foo "v0.4.6'
+  echo 'foo "v0.4.7'
+  echo 'foo "v0.4.7'
+  echo 'foo "v0.4.8'
+  echo 'foo "v0.4.8'
+  echo 'foo "v0.4.9'
+  echo 'foo "v0.4.9'
+  echo 'foo "v0.5.0'
+  echo 'foo "v0.5.0'
+  echo 'foo "v0.6.1'
+  echo 'foo "v0.6.1'
+  echo 'foo "v0.6.10'
+  echo 'foo "v0.6.10'
+  echo 'foo "v0.6.11'
+  echo 'foo "v0.6.11'
+  echo 'foo "v0.6.12'
+  echo 'foo "v0.6.12'
+  echo 'foo "v0.6.13'
+  echo 'foo "v0.6.13'
+  echo 'foo "v0.6.2'
+  echo 'foo "v0.6.2'
+  echo 'foo "v0.6.3'
+  echo 'foo "v0.6.3'
+  echo 'foo "v0.6.4'
+  echo 'foo "v0.6.4'
+  echo 'foo "v0.6.5'
+  echo 'foo "v0.6.5'
+  echo 'foo "v0.6.6'
+  echo 'foo "v0.6.6'
+  echo 'foo "v0.6.7'
+  echo 'foo "v0.6.7'
+  echo 'foo "v0.6.8'
+  echo 'foo "v0.6.8'
+  echo 'foo "v0.6.9'
+  echo 'foo "v0.6.9'
+}
+
+OUTPUT="$(nvm_ls_remote foo)"
+EXIT_CODE="$(nvm_ls_remote foo >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_N/A" ] || die "nonexistent version did not report N/A"
+[ "_$EXIT_CODE" = "_3" ] || die "nonexistent version did not exit with code 3, got $EXIT_CODE"
+
+OUTPUT="$(nvm_ls_remote)"
+EXPECTED_OUTPUT="$(nvm_download | \egrep -o 'v[0-9]+\.[0-9]+\.[0-9]+' | sort -t. -u -k 1.2,1n -k 2,2n -k 3,3n)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "bare nvm_ls_remote did not output expected sorted versions; got $(echo "$OUTPUT") expected $(echo "$EXPECTED_OUTPUT")"
+
+OUTPUT="$(nvm_ls_remote 0.3)"
+EXPECTED_OUTPUT="v0.3.0
+v0.3.1
+v0.3.2
+v0.3.3
+v0.3.4
+v0.3.5
+v0.3.6
+v0.3.7
+v0.3.8"
+
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm_ls_remote 0.3 did not output 0.3.x versions; got $OUTPUT"
+
+# Sanity checks
+OUTPUT="$(nvm_print_implicit_alias remote stable)"
+EXPECTED_OUTPUT="0.10"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm_print_implicit_alias remote stable did not output $EXPECTED_OUTPUT; got $OUTPUT"
+
+OUTPUT="$(nvm_print_implicit_alias remote unstable)"
+EXPECTED_OUTPUT="0.11"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm_print_implicit_alias remote unstable did not output $EXPECTED_OUTPUT; got $OUTPUT"
+
+OUTPUT="$(nvm_ls_remote stable)"
+EXPECTED_OUTPUT="v0.10.32"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm_ls_remote stable did not output $EXPECTED_OUTPUT; got $OUTPUT"
+
+OUTPUT="$(nvm_ls_remote unstable)"
+EXPECTED_OUTPUT="v0.11.14"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm_ls_remote unstable did not output $EXPECTED_OUTPUT; got $OUTPUT"
+
+cleanup
+
--- a/tests/nvm_ls_remote_iojs
+++ b/tests/nvm_ls_remote_iojs
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+die () { echo $@ ; cleanup ; exit 1; }
+
+cleanup() {
+  unset -f nvm_download
+}
+
+. ../../../nvm.sh
+
+# sample output at the time the test was written
+nvm_download() {
+  echo 'version	date	files	npm	v8	uv	zlib	openssl	modules'
+  echo 'v1.0.1	2015-01-14	linux-armv7l,linux-x64,linux-x86,osx-x64-tar,win-x64-exe,win-x64-msi,win-x86-exe,win-x86-msi'
+  echo 'v1.0.0	2015-01-14	linux-armv7l,linux-x64,linux-x86,osx-x64-tar,win-x64-exe,win-x64-msi,win-x86-exe,win-x86-msi'
+}
+
+OUTPUT="$(nvm_ls_remote_iojs foo)"
+EXIT_CODE="$(nvm_ls_remote_iojs foo >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_N/A" ] || die "nonexistent version did not report N/A"
+[ "_$EXIT_CODE" = "_3" ] || die "nonexistent version did not exit with code 3, got $EXIT_CODE"
+
+OUTPUT="$(nvm_ls_remote_iojs)"
+EXPECTED_OUTPUT="$(nvm_download | \egrep -o 'v[0-9]+\.[0-9]+\.[0-9]+' | sort -t. -u -k 1.2,1n -k 2,2n -k 3,3n | sed -e 's/^/iojs-/')"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "bare nvm_ls_remote_iojs did not output expected sorted versions; got $(echo "$OUTPUT") expected $(echo "$EXPECTED_OUTPUT")"
+
+OUTPUT="$(nvm_ls_remote_iojs 1.0)"
+EXPECTED_OUTPUT="iojs-v1.0.0
+iojs-v1.0.1"
+
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm_ls_remote_iojs 1.0 did not output 1.0.x versions; got $OUTPUT"
+
+cleanup
+
--- a/tests/nvm_node_prefix
+++ b/tests/nvm_node_prefix
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+[ "$(nvm_node_prefix)" = "node" ] || die '"nvm_node_prefix" did not return the string "node". why did this fail?!'
--- a/tests/nvm_num_version_groups
+++ b/tests/nvm_num_version_groups
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+[ "~$(nvm_num_version_groups)" = "~0" ] || die "no args should give 0"
+[ "~$(nvm_num_version_groups v)" = "~0" ] || die "just "v" should give 0"
+[ "~$(nvm_num_version_groups .)" = "~0" ] || die "just "." should give 0"
+[ "~$(nvm_num_version_groups a)" = "~1" ] || die "one letter should give 1"
+
+[ "~$(nvm_num_version_groups 1)" = "~1" ] || die "1 should give 1"
+[ "~$(nvm_num_version_groups 1.)" = "~1" ] || die "1. should give 1"
+[ "~$(nvm_num_version_groups v1)" = "~1" ] || die "v1 should give 1"
+[ "~$(nvm_num_version_groups v1.)" = "~1" ] || die "v1. should give 1"
+
+[ "~$(nvm_num_version_groups 1.2)" = "~2" ] || die "1.2 should give 2"
+[ "~$(nvm_num_version_groups 1.2.)" = "~2" ] || die "1.2. should give 2"
+[ "~$(nvm_num_version_groups v1.2)" = "~2" ] || die "v1.2 should give 2"
+[ "~$(nvm_num_version_groups v1.2.)" = "~2" ] || die "v1.2. should give 2"
+
+[ "~$(nvm_num_version_groups 1.2.3)" = "~3" ] || die "1.2.3 should give 3"
+[ "~$(nvm_num_version_groups v1.2.3)" = "~3" ] || die "v1.2.3 should give 3"
+[ "~$(nvm_num_version_groups v1.2.3.)" = "~3" ] || die "v1.2.3. should give 3"
+
--- a/tests/nvm_print_implicit_alias
+++ b/tests/nvm_print_implicit_alias
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+EXPECTED_FIRST_MSG="nvm_print_implicit_alias must be specified with local or remote as the first argument."
+[ "_$(nvm_print_implicit_alias 2>&1)" = "_$EXPECTED_FIRST_MSG" ] \
+  || die "nvm_print_implicit_alias did not require local|remote as first argument"
+[ "_$(nvm_print_implicit_alias foo 2>&1)" = "_$EXPECTED_FIRST_MSG" ] \
+  || die "nvm_print_implicit_alias did not require local|remote as first argument"
+
+FIRST_EXIT_CODE="$(nvm_print_implicit_alias > /dev/null 2>&1 ; echo $?)"
+[ "_$FIRST_EXIT_CODE" = "_1" ] \
+  || die "nvm_print_implicit_alias without local|remote had wrong exit code: expected 1, got $FIRST_EXIT_CODE"
+
+EXPECTED_SECOND_MSG="Only implicit aliases 'stable', 'unstable', 'iojs', and 'node' are supported."
+[ "_$(nvm_print_implicit_alias local 2>&1)" = "_$EXPECTED_SECOND_MSG" ] \
+  || die "nvm_print_implicit_alias did not require stable|unstable|iojs|node as second argument"
+[ "_$(nvm_print_implicit_alias local foo 2>&1)" = "_$EXPECTED_SECOND_MSG" ] \
+  || die "nvm_print_implicit_alias did not require stable|unstable|iojs|node as second argument"
+
+SECOND_EXIT_CODE="$(nvm_print_implicit_alias local > /dev/null 2>&1 ; echo $?)"
+[ "_$SECOND_EXIT_CODE" = "_2" ] \
+  || die "nvm_print_implicit_alias without stable|unstable|iojs|node had wrong exit code: expected 2, got $SECOND_EXIT_CODE"
+
--- a/tests/nvm_print_implicit_alias
+++ b/tests/nvm_print_implicit_alias
@@ -0,0 +1,69 @@
+#!/bin/sh
+
+die () { echo $@ ; cleanup ; exit 1; }
+cleanup() {
+  rm -rf ../../../v0.2.3
+  rm -rf ../../../v0.3.4
+  rm -rf ../../../v0.4.6
+  rm -rf ../../../v0.5.7
+  rm -rf ../../../v0.7.7
+  rm -rf ../../../versions/io.js/v0.98.0
+  unset -f nvm_ls_remote nvm_ls_remote_iojs
+}
+
+. ../../../nvm.sh
+
+mkdir ../../../v0.2.3
+mkdir ../../../v0.3.4
+mkdir ../../../v0.4.6
+mkdir ../../../v0.5.7
+mkdir ../../../v0.7.7
+mkdir -p ../../../versions/io.js/v0.98.0
+
+LATEST_STABLE="$(nvm_print_implicit_alias local stable)"
+[ "_$LATEST_STABLE" = "_0.4" ] || die "local stable is not latest even minor: expected 0.4, got $LATEST_STABLE"
+
+LATEST_NODE="$(nvm_print_implicit_alias local node)"
+[ "_$LATEST_NODE" = "_stable" ] || die "local node is not stable: expected stable, got $LATEST_NODE"
+
+LATEST_UNSTABLE="$(nvm_print_implicit_alias local unstable)"
+[ "_$LATEST_UNSTABLE" = "_0.7" ] || die "local unstable is not latest odd minor: expected 0.7, got $LATEST_UNSTABLE"
+
+LATEST_IOJS="$(nvm_print_implicit_alias local iojs)"
+[ "_$LATEST_IOJS" = "_iojs-v0.98" ] || die "local iojs is not latest iojs: expected iojs-v0.98, got $LATEST_IOJS"
+
+nvm_ls_remote() {
+  echo "v0.4.3"
+  echo "v0.5.4"
+  echo "v0.6.6"
+  echo "v0.7.7"
+  echo "v0.9.7"
+  echo "v0.4.3"
+  echo "v0.5.4"
+  echo "v0.6.6"
+  echo "v0.7.7"
+  echo "v0.9.7"
+}
+
+nvm_ls_remote_iojs() {
+  echo "iojs-v0.1.0"
+  echo "iojs-v0.1.1"
+  echo "iojs-v0.7.8"
+  echo "iojs-v0.98.5"
+  echo "iojs-v0.99.0"
+}
+
+LATEST_STABLE="$(nvm_print_implicit_alias remote stable)"
+[ "_$LATEST_STABLE" = "_0.6" ] || die "remote stable is not latest even minor: expected 0.6, got $LATEST_STABLE"
+
+LATEST_NODE="$(nvm_print_implicit_alias remote node)"
+[ "_$LATEST_NODE" = "_stable" ] || die "remote node is not stable: expected stable, got $LATEST_NODE"
+
+LATEST_UNSTABLE="$(nvm_print_implicit_alias remote unstable)"
+[ "_$LATEST_UNSTABLE" = "_0.9" ] || die "remote unstable is not latest odd minor: expected 0.9, got $LATEST_UNSTABLE"
+
+LATEST_IOJS="$(nvm_print_implicit_alias remote iojs)"
+[ "_$LATEST_IOJS" = "_iojs-v0.99" ] || die "remote iojs is not latest: expected iojs-v0.99, got $LATEST_IOJS"
+
+cleanup
+
--- a/tests/nvm_print_npm_version
+++ b/tests/nvm_print_npm_version
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+cleanup () {
+  alias nvm_has='\nvm_has'
+  alias npm='\npm'
+  unset -f nvm_has npm
+}
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+nvm_has() { return 1; }
+OUTPUT="$(nvm_print_npm_version)"
+[ -z "$OUTPUT" ] || die "nvm_print_npm_version did not return empty when nvm_has returns 1, got '$OUTPUT'"
+
+nvm_has() { return 0; }
+npm() {
+  if [ "_$@" = "_--version" ]; then
+    echo "1.2.3"
+  else
+    echo "error"
+  fi
+}
+OUTPUT="$(nvm_print_npm_version)"
+EXPECTED_OUTPUT=" (npm v1.2.3)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "nvm_print_npm_version did not provided '$EXPECTED_OUTPUT', got '$OUTPUT'"
+
+cleanup
--- a/tests/nvm_remote_version
+++ b/tests/nvm_remote_version
@@ -0,0 +1,78 @@
+#!/bin/sh
+
+die () { echo $@ ; cleanup ; exit 1; }
+
+cleanup() {
+  unset -f nvm_ls_remote nvm_ls_remote_iojs
+}
+
+. ../../../nvm.sh
+
+nvm_ls_remote() {
+  echo "N/A"
+}
+OUTPUT="$(nvm_remote_version foo)"
+EXIT_CODE="$(nvm_remote_version foo >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_N/A" ] || die "nonexistent version did not report N/A"
+[ "_$EXIT_CODE" = "_3" ] || die "nonexistent version did not exit with code 3, got $EXIT_CODE"
+
+nvm_ls_remote_iojs() {
+  echo "N/A"
+}
+OUTPUT="$(nvm_remote_version iojs-foo)"
+EXIT_CODE="$(nvm_remote_version iojs-foo >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_N/A" ] || die "nonexistent version did not report N/A"
+[ "_$EXIT_CODE" = "_3" ] || die "nonexistent version did not exit with code 3, got $EXIT_CODE"
+
+
+nvm_ls_remote() {
+  if ! nvm_is_iojs_version "$1"; then
+    echo "test output"
+    echo "more test output"
+    echo "pattern received: _$1_"
+  fi
+}
+nvm_ls_remote_iojs() {
+  if [ -z "$1" ] || nvm_is_iojs_version "$1"; then
+    echo "test iojs output"
+    echo "more iojs test output"
+    echo "iojs pattern received: _$1_"
+  fi
+}
+OUTPUT="$(nvm_remote_version foo)"
+EXIT_CODE="$(nvm_remote_version foo >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_pattern received: _foo_" ] \
+  || die "nvm_remote_version foo did not return last line only of nvm_ls_remote foo; got $OUTPUT"
+[ "_$EXIT_CODE" = "_0" ] || die "nvm_remote_version foo did not exit with 0, got $EXIT_CODE"
+
+OUTPUT="$(nvm_remote_version iojs-foo)"
+EXIT_CODE="$(nvm_remote_version iojs-foo >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_iojs pattern received: _iojs-foo_" ] \
+  || die "nvm_remote_version iojs-foo did not return last line only of nvm_ls_remote_iojs foo; got $OUTPUT"
+[ "_$EXIT_CODE" = "_0" ] || die "nvm_remote_version iojs-foo did not exit with 0, got $EXIT_CODE"
+
+OUTPUT="$(nvm_remote_version iojs)"
+EXIT_CODE="$(nvm_remote_version iojs >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_iojs pattern received: __" ] \
+  || die "nvm_remote_version iojs did not return last line only of nvm_ls_remote_iojs; got $OUTPUT"
+[ "_$EXIT_CODE" = "_0" ] || die "nvm_remote_version iojs did not exit with 0, got $EXIT_CODE"
+
+OUTPUT="$(nvm_remote_version stable)"
+EXIT_CODE="$(nvm_remote_version stable >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_$(nvm_ls_remote stable)" ] \
+  || die "nvm_remote_version stable did not return contents of nvm_ls_remote stable; got $OUTPUT"
+[ "_$EXIT_CODE" = "_0" ] || die "nvm_remote_version stable did not exit with 0, got $EXIT_CODE"
+
+OUTPUT="$(nvm_remote_version unstable)"
+EXIT_CODE="$(nvm_remote_version unstable >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_$(nvm_ls_remote unstable)" ] \
+  || die "nvm_remote_version unstable did not return contents of nvm_ls_remote unstable; got $OUTPUT"
+[ "_$EXIT_CODE" = "_0" ] || die "nvm_remote_version unstable did not exit with 0, got $EXIT_CODE"
+
+OUTPUT="$(nvm_remote_version node)"
+EXIT_CODE="$(nvm_remote_version node >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_$(nvm_ls_remote node)" ] \
+  || die "nvm_remote_version node did not return contents of nvm_ls_remote node; got $OUTPUT"
+[ "_$EXIT_CODE" = "_0" ] || die "nvm_remote_version node did not exit with 0, got $EXIT_CODE"
+
+cleanup
--- a/tests/nvm_remote_versions
+++ b/tests/nvm_remote_versions
@@ -0,0 +1,78 @@
+#!/bin/sh
+
+die () { echo $@ ; cleanup ; exit 1; }
+
+cleanup() {
+  unset -f nvm_ls_remote nvm_ls_remote_iojs
+}
+
+. ../../../nvm.sh
+
+OUTPUT="$(nvm_remote_versions stable 2>&1)"
+EXPECTED_OUTPUT="Implicit aliases are not supported in nvm_remote_versions."
+EXIT_CODE="$(nvm_remote_versions stable >/dev/null 2>&1; echo $?)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "implicit alias 'stable' did not error out with correct message, got $OUTPUT"
+[ "_$EXIT_CODE" = "_1" ] || die "implicit alias 'stable' did not exit with code 1, got $EXIT_CODE"
+
+OUTPUT="$(nvm_remote_versions unstable 2>&1)"
+EXPECTED_OUTPUT="Implicit aliases are not supported in nvm_remote_versions."
+EXIT_CODE="$(nvm_remote_versions unstable >/dev/null 2>&1; echo $?)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "implicit alias 'unstable' did not error out with correct message, got $OUTPUT"
+[ "_$EXIT_CODE" = "_1" ] || die "implicit alias 'unstable' did not exit with code 1, got $EXIT_CODE"
+
+nvm_ls_remote() {
+  echo "N/A"
+}
+OUTPUT="$(nvm_remote_versions foo)"
+EXIT_CODE="$(nvm_remote_versions foo >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_N/A" ] || die "nonexistent version did not report N/A"
+[ "_$EXIT_CODE" = "_3" ] || die "nonexistent version did not exit with code 3, got $EXIT_CODE"
+
+nvm_ls_remote_iojs() {
+  echo "N/A"
+}
+OUTPUT="$(nvm_remote_versions iojs-foo)"
+EXIT_CODE="$(nvm_remote_versions iojs-foo >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_N/A" ] || die "nonexistent version did not report N/A"
+[ "_$EXIT_CODE" = "_3" ] || die "nonexistent version did not exit with code 3, got $EXIT_CODE"
+
+
+nvm_ls_remote() {
+  echo "test output"
+  echo "more test output"
+  echo "pattern received: _$1_"
+}
+nvm_ls_remote_iojs() {
+  echo "test iojs output"
+  echo "more iojs test output"
+  echo "iojs pattern received: _$1_"
+}
+
+OUTPUT="$(nvm_remote_versions foo)"
+EXIT_CODE="$(nvm_remote_versions foo >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_$(nvm_ls_remote foo)
+$(nvm_ls_remote_iojs foo)" ] \
+  || die "nvm_remote_versions foo did not return contents of nvm_ls_remote foo combined with nvm_ls_remote_iojs foo; got $OUTPUT"
+[ "_$EXIT_CODE" = "_0" ] || die "nvm_remote_versions foo did not exit with 0, got $EXIT_CODE"
+
+OUTPUT="$(nvm_remote_versions node)"
+EXIT_CODE="$(nvm_remote_versions node >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_$(nvm_ls_remote)" ] \
+  || die "nvm_remote_versions node did not return contents of nvm_ls_remote; got $OUTPUT"
+[ "_$EXIT_CODE" = "_0" ] || die "nvm_remote_versions node did not exit with 0, got $EXIT_CODE"
+
+OUTPUT="$(nvm_remote_versions iojs-foo)"
+EXIT_CODE="$(nvm_remote_versions iojs-foo >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_$(nvm_ls_remote iojs-foo)
+$(nvm_ls_remote_iojs iojs-foo)" ] \
+  || die "nvm_remote_versions iojs-foo did not return contents of nvm_ls_remote iojs-foo combined with nvm_ls_remote_iojs iojs-foo; got $OUTPUT"
+[ "_$EXIT_CODE" = "_0" ] || die "nvm_remote_versions iojs-foo did not exit with 0, got $EXIT_CODE"
+
+OUTPUT="$(nvm_remote_versions iojs)"
+EXIT_CODE="$(nvm_remote_versions iojs >/dev/null 2>&1 ; echo $?)"
+[ "_$OUTPUT" = "_$(nvm_ls_remote_iojs)" ] \
+  || die "nvm_remote_versions iojs did not return contents of nvm_ls_remote_iojs; got $OUTPUT"
+[ "_$EXIT_CODE" = "_0" ] || die "nvm_remote_versions iojs did not exit with 0, got $EXIT_CODE"
+
+cleanup
+
--- a/tests/nvm_strip_iojs_prefix
+++ b/tests/nvm_strip_iojs_prefix
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+[ "_$(nvm_strip_iojs_prefix iojs)" = "_" ] || die '"nvm_strip_iojs_prefix iojs" did not return an empty string'
+[ "_$(nvm_strip_iojs_prefix iojs-)" = "_" ] || die '"nvm_strip_iojs_prefix iojs-" did not return an empty string'
+[ "_$(nvm_strip_iojs_prefix iojs-foo)" = "_foo" ] || die '"nvm_strip_iojs_prefix iojs-foo" did not return "foo"'
+[ "_$(nvm_strip_iojs_prefix iojsfoo)" = "_iojsfoo" ] || die '"nvm_strip_iojs_prefix iojsfoo" did not return "iojsfoo"'
--- a/tests/nvm_strip_path
+++ b/tests/nvm_strip_path
@@ -4,7 +4,7 @@ die () { echo $@ ; exit 1; }

 . ../../../nvm.sh

-TEST_PATH=$NVM_DIR/v0.10.5/bin:/usr/bin:$NVM_DIR/v0.11.5/bin:$NVM_DIR/v0.9.5/bin:/usr/local/bin:$NVM_DIR/v0.2.5/bin
+TEST_PATH=$NVM_DIR/v0.10.5/bin:/usr/bin:$NVM_DIR/v0.11.5/bin:$NVM_DIR/v0.9.5/bin:/usr/local/bin:$NVM_DIR/v0.2.5/bin:$NVM_DIR/versions/node/v0.12.0/bin:$NVM_DIR/versions/io.js/v1.0.0/bin

 STRIPPED_PATH=`nvm_strip_path "$TEST_PATH" "/bin"`

--- a/tests/nvm_tree_contains_path
+++ b/tests/nvm_tree_contains_path
@@ -11,9 +11,14 @@ die () { echo $@ ; cleanup; exit 1; }
 . ../../../nvm.sh

 mkdir -p tmp
-touch -p tmp/node
+touch tmp/node
 mkdir -p tmp2
-touch -p tmp2/node
+touch tmp2/node
+
+[ "$(nvm_tree_contains_path 2>&1)" = "both the tree and the node path are required" ] || die 'incorrect error message with no args'
+[ "$(nvm_tree_contains_path > /dev/null 2>&1 ; echo $?)" = "2" ] || die 'incorrect error code with no args'
+[ "$(nvm_tree_contains_path tmp 2>&1)" = "both the tree and the node path are required" ] || die 'incorrect error message with one arg'
+[ "$(nvm_tree_contains_path > /dev/null 2>&1 ; echo $?)" = "2" ] || die 'incorrect error code with one arg'

 nvm_tree_contains_path tmp tmp/node || die '"tmp" should contain "tmp/node"'

--- a/tests/nvm_validate_implicit_alias
+++ b/tests/nvm_validate_implicit_alias
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+EXPECTED_MSG="Only implicit aliases 'stable', 'unstable', 'iojs', and 'node' are supported."
+[ "_$(nvm_validate_implicit_alias 2>&1)" = "_$EXPECTED_MSG" ] \
+  || die "nvm_validate_implicit_alias did not require stable|unstable|iojs|node"
+[ "_$(nvm_validate_implicit_alias foo 2>&1)" = "_$EXPECTED_MSG" ] \
+  || die "nvm_validate_implicit_alias did not require stable|unstable|iojs|node"
+
+EXIT_CODE="$(nvm_validate_implicit_alias >/dev/null 2>&1 ; echo $?)"
+[ "_$EXIT_CODE" = "_1" ] \
+  || die "nvm_validate_implicit_alias without stable|unstable|iojs|node had wrong exit code: expected 1, got $EXIT_CODE"
+
+nvm_validate_implicit_alias stable || die "nvm_validate_implicit_alias stable did not exit 0"
+nvm_validate_implicit_alias unstable || die "nvm_validate_implicit_alias unstable did not exit 0"
+nvm_validate_implicit_alias node || die "nvm_validate_implicit_alias node did not exit 0"
+nvm_validate_implicit_alias iojs || die "nvm_validate_implicit_alias iojs did not exit 0"
+
--- a/tests/nvm_version
+++ b/tests/nvm_version
@@ -0,0 +1,48 @@
+#!/bin/sh
+
+die () { echo $@ ; cleanup ; exit 1; }
+cleanup () {
+  unset -f nvm_ls_current nvm_ls
+}
+
+. ../../../nvm.sh
+
+nvm_ls_current() {
+  echo "CURRENT!"
+  return 7
+}
+
+OUTPUT="$(nvm_version current)"
+EXPECTED_OUTPUT="CURRENT!"
+EXIT_CODE="$(nvm_version current 2>&1 >/dev/null ; echo $?)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die '"nvm_version current" did not return nvm_ls_current output'
+[ "_$EXIT_CODE" = "_7" ] || die '"nvm_version current" did not return nvm_ls_current exit code'
+
+OUTPUT="$(nvm_version)"
+EXPECTED_OUTPUT="CURRENT!"
+EXIT_CODE="$(nvm_version 2>&1 >/dev/null ; echo $?)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die '"nvm_version" did not return nvm_ls_current output'
+[ "_$EXIT_CODE" = "_7" ] || die '"nvm_version" did not return nvm_ls_current exit code'
+
+nvm_ls() {
+  echo "line 1"
+  echo "line 2"
+  echo "pattern: $1"
+}
+[ "_$(nvm_version foo)" = "_pattern: foo" ] || die '"nvm_version foo" did not pass the pattern to "nvm_ls", or return the last line'
+[ "_$(nvm_version node)" = "_pattern: stable" ] || die '"nvm_version node" did not pass "stable" to "nvm_ls"'
+[ "_$(nvm_version node-)" = "_pattern: stable" ] || die '"nvm_version node-" did not pass "stable" to "nvm_ls"'
+
+nvm_ls() { echo "N/A"; }
+OUTPUT="$(nvm_version foo)"
+EXPECTED_OUTPUT="N/A"
+EXIT_CODE="$(nvm_version foo 2>&1 >/dev/null ; echo $?)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die '"nvm_version" did not return N/A when nvm_ls returns N/A'
+[ "_$EXIT_CODE" = "_3" ] || die '"nvm_version" returning N/A did not exit code with code 3'
+
+nvm_ls() { echo; }
+OUTPUT="$(nvm_version foo)"
+EXPECTED_OUTPUT="N/A"
+EXIT_CODE="$(nvm_version foo 2>&1 >/dev/null ; echo $?)"
+[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die '"nvm_version" did not return N/A when nvm_ls returns nothing'
+[ "_$EXIT_CODE" = "_3" ] || die '"nvm_version" returning N/A did not exit code with code 3'
--- a/tests/nvm_version_dir
+++ b/tests/nvm_version_dir
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+[ "$(nvm_version_dir)" = "$NVM_DIR/versions/node" ] || die '"nvm_version_dir" did not return new dir path'
+[ "$(nvm_version_dir iojs)" = "$NVM_DIR/versions/io.js" ] || die '"nvm_version_dir iojs" did not return iojs dir path'
+[ "$(nvm_version_dir new)" = "$(nvm_version_dir)" ] || die '"nvm_version_dir new" did not return new dir path'
+[ "$(nvm_version_dir old)" = "$NVM_DIR" ] || die '"nvm_version_dir old" did not return old dir path'
+[ "$(nvm_version_dir foo 2>&1)" = "unknown version dir" ] || die '"nvm_version_dir foo" did not error out'
+
--- a/tests/nvm_version_greater
+++ b/tests/nvm_version_greater
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+nvm_version_greater 0.10.0 0.2.12 || die '"nvm_version_greater 0.10.0 0.2.12" did not return true'
+
+if nvm_version_greater 0.10.0 0.20.12; then
+  die '"nvm_version_greater 0.10.0 0.20.12" returned true'
+fi
+
+if nvm_version_greater 0.10.0 0.10.0; then
+  die '"nvm_version_greater" returned false for the same two versions'
+fi
+
--- a/tests/nvm_version_path
+++ b/tests/nvm_version_path
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+[ "$(nvm_version_path foo)" = "$NVM_DIR/foo" ] || die '"nvm_version_path foo" did not return correct location'
+[ "$(nvm_version_path 2>&1)" = "version is required" ] || die '"nvm_version_path" did not error out'
+[ "$(nvm_version_path v0.11.0)" = "$NVM_DIR/v0.11.0" ] || die 'old version has the wrong path'
+[ "$(nvm_version_path v0.12.0)" = "$NVM_DIR/versions/node/v0.12.0" ] || die 'new version has the wrong path'
+[ "$(nvm_version_path iojs-v0.12.0)" = "$NVM_DIR/versions/io.js/v0.12.0" ] || die 'iojs version has the wrong path'
+
--- a/test/fast/setup_dir
+++ b/test/fast/setup_dir
@@ -9,5 +9,8 @@
  for SRC in v* src alias; do
    [ -e "$SRC" ] && mv "$SRC" bak
  done
+  if [ -d versions ]; then
+    mv versions bak
+  fi
  true
 )
--- a/test/install_script/nvm_check_global_modules
+++ b/test/install_script/nvm_check_global_modules
@@ -0,0 +1,54 @@
+#!/bin/sh
+
+cleanup () {
+  rm -rf "$npm_config_prefix/lib" >/dev/null 2>&1
+  unset npm_config_prefix
+
+  rm -f npm
+  PATH="$ORIGINAL_PATH"
+
+  unset -f setup cleanup die
+  unset message ORIGINAL_PATH
+}
+die () { echo $@ ; cleanup ; exit 1; }
+
+NVM_ENV=testing . ../../install.sh
+
+setup () {
+  ORIGINAL_PATH="$PATH"
+
+  npm_config_prefix="$(pwd)"
+  export npm_config_prefix
+  mkdir -p "$npm_config_prefix/lib"
+}
+
+
+setup
+
+npm install -g nop >/dev/null || die 'nvm_check_global_modules cannot be tested because `npm` cannot install the `nop` package'
+message=$(nvm_check_global_modules)
+[ ! -z "$message" ] || die "nvm_check_global_modules should have printed a notice when npm had global modules installed"
+
+npm uninstall -g nop >/dev/null
+message=$(nvm_check_global_modules)
+[ -z "$message" ] || die "nvm_check_global_modules should not have printed a notice when npm had no global modules installed"
+
+# Faking an installation of npm
+mkdir -p "$npm_config_prefix/lib/node_modules/npm"
+cat <<'JSON' >"$npm_config_prefix/lib/node_modules/npm/package.json"
+{ "name": "npm", "version": "0.0.1fake" }
+JSON
+
+message=$(nvm_check_global_modules)
+[ -z "$message" ] || die "nvm_check_global_modules should have not printed a notice when npm had only itself installed as a global module"
+
+# Faking the absence of npm
+PATH=".:$PATH"
+touch npm
+chmod +x npm
+
+message=$(nvm_check_global_modules)
+[ -z "$message" ] || die "nvm_check_global_modules should have not printed a notice when npm was unavailable"
+
+
+cleanup
--- a/test/install_script/nvm_detect_profile
+++ b/test/install_script/nvm_detect_profile
@@ -0,0 +1,101 @@
+#!/bin/sh
+
+cleanup () {
+  unset -f setup cleanup die
+  unset _PROFILE
+  rm -f .bashrc .bash_profile .zshrc .profile test_profile > /dev/null 2>&1
+}
+die () { echo $@ ; cleanup ; exit 1; }
+
+NVM_ENV=testing . ../../install.sh
+
+setup () {
+  touch .bashrc
+  touch .bash_profile
+  touch .zshrc
+  touch .profile
+  touch test_profile
+}
+
+#Let's hack $HOME
+HOME="."
+
+setup
+
+#Let's force $SHELL to be bash
+SHELL="/bin/bash"
+
+# $SHELL is set to bash and .bashrc is there, it must be detected
+_PROFILE=$(nvm_detect_profile)
+[ "_$_PROFILE" = "_$HOME/.bashrc" ] || echo "_\$HOME/.bashrc: _$HOME/.bashrc\n" \
+                                       echo "_\$_PROFILE: _$_PROFILE\n" \
+                                       die "nvm_detect_profile didn't pick $SHELL and $HOME/.bashrc"
+
+#Let's force $SHELL to be zsh
+SHELL="/usr/bin/zsh"
+
+# $SHELL is set to zsh and .zshrc is there, it must be detected
+_PROFILE=$(nvm_detect_profile)
+[ "_$_PROFILE" = "_$HOME/.zshrc" ] || echo "_\$HOME/.zshrc: _$HOME/.zshrc\n" \
+                                      echo "_\$_PROFILE: _$_PROFILE\n" \
+                                      die "nvm_detect_profile didn't pick $SHELL and $HOME/.zshrc"
+
+
+# if we unset shell it looks for the files
+unset SHELL
+
+# $PROFILE points to a valid file, its path must be returned
+PROFILE="test_profile"
+_PROFILE=$(nvm_detect_profile)
+[ "_$_PROFILE" = "_$PROFILE" ] || echo "_\$_PROFILE: _$_PROFILE\n" \
+                                  echo "_\$PROFILE: _$PROFILE\n" \
+                                  die "nvm_detect_profile didn't pick \$PROFILE"
+
+# $PROFILE doesn't point to a valid file, its path must not be returned
+PROFILE="invalid_profile"
+_PROFILE=$(nvm_detect_profile)
+[ "_$_PROFILE" != "_$PROFILE" ] || echo "_\$_PROFILE: _$_PROFILE\n" \
+                                   echo "_\$PROFILE: _$PROFILE\n" \
+                                   die "nvm_detect_profile shouldn't pick \$PROFILE when it's not a valid file"
+
+
+# Below are tests for when $PROFILE is undefined
+rm test_profile
+unset PROFILE
+
+# It should favor .profile if file exists
+_PROFILE=$(nvm_detect_profile)
+[ "_$_PROFILE" = "_$HOME/.profile" ] || echo "_\$_PROFILE: _$_PROFILE\n" \
+                                        echo "_\$PROFILE: _$PROFILE\n" \
+                                        die "nvm_detect_profile should have selected .profile"
+
+rm .profile
+# Otherwise, it should favor .bashrc if file exists
+_PROFILE=$(nvm_detect_profile)
+[ "_$_PROFILE" = "_$HOME/.bashrc" ] || echo "_\$_PROFILE: _$_PROFILE\n" \
+                                       echo "_\$PROFILE: _$PROFILE\n" \
+                                       die "nvm_detect_profile should have selected .bashrc"
+
+rm .bashrc
+# Otherwise, it should favor .bash_profile if file exists
+_PROFILE=$(nvm_detect_profile)
+[ "_$_PROFILE" = "_$HOME/.bash_profile" ] || echo "_\$_PROFILE: _$_PROFILE\n" \
+                                             echo "_\$PROFILE: _$PROFILE\n" \
+                                             die "nvm_detect_profile should have selected .bash_profile"
+
+rm .bash_profile
+# Otherwise, it should favor .zshrc if file exists
+_PROFILE=$(nvm_detect_profile)
+[ "_$_PROFILE" = "_$HOME/.zshrc" ] || echo "_\$_PROFILE: _$_PROFILE\n" \
+                                      echo "_\$PROFILE: _$PROFILE\n" \
+                                      die "nvm_detect_profile should have selected .zshrc"
+
+rm .zshrc
+# It should be empty if none is found
+_PROFILE=$(nvm_detect_profile)
+[ -z "$_PROFILE" ] || echo "_\$_PROFILE: _$_PROFILE\n" \
+                      echo "_\$PROFILE: _$PROFILE\n" \
+                      die "nvm_detect_profile should have echo'ed an empty value"
+
+
+cleanup
--- a/test/install_script/nvm_do_install
+++ b/test/install_script/nvm_do_install
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+NVM_ENV=testing . ../../install.sh
+
+#nvm_do_install is available
+type nvm_do_install > /dev/null 2>&1 || die 'nvm_do_install is not available'
+
--- a/test/install_script/nvm_reset
+++ b/test/install_script/nvm_reset
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+cleanup () {
+  unset -f safe_type die cleanup
+}
+die () { echo $@ ; cleanup ; exit 1; }
+
+NVM_ENV=testing . ../../install.sh
+
+safe_type() {
+  type "$1" > /dev/null 2>&1
+}
+
+# Check nvm_reset exists
+safe_type nvm_reset || die 'nvm_reset is not available'
+
+# Apply nvm_reset
+nvm_reset || die 'nvm_reset failed'
+
+# The names should be unset
+! safe_type nvm_do_install || die 'nvm_do_install is still available'
+! safe_type nvm_has || die 'nvm_has is still available'
+! safe_type nvm_download || die 'nvm_download is still available'
+! safe_type install_nvm_as_script || die 'install_nvm_as_script is still available'
+! safe_type install_nvm_from_git || die 'install_nvm_from_git is still available'
+! safe_type nvm_reset || die 'nvm_reset is still available'
+! safe_type nvm_detect_profile || die 'nvm_detect_profile is still available'
+
+cleanup
+
--- a/test/install_script/nvm_source
+++ b/test/install_script/nvm_source
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+cleanup () {
+  unset -f die cleanup
+  unset NVM_SOURCE out
+}
+die () { echo $@ ; cleanup ; exit 1; }
+
+NVM_ENV=testing . ../../install.sh
+
+# nvm_source with no parameter returns the git endpoint
+echo $(nvm_source) | grep "nvm.git$" > /dev/null || die "nvm_source without arguments should return the location of the git repo" 
+
+# nvm_source with git parameter returns the location of the nvm repo
+echo $(nvm_source "git") | grep "nvm.git$" > /dev/null || die "nvm_source without arguments should return the location of the git repo" 
+
+# nvm_source with script parameter returns the location of nvm.sh
+echo $(nvm_source "script") | grep "nvm.sh$" > /dev/null || die "nvm_source \"script\" should return the location of nvm.sh"
+
+# nvm_source with script-nvm-exec parameter returns the location of nvm-exec
+echo $(nvm_source "script-nvm-exec") | grep "nvm-exec$" > /dev/null || die "nvm_source \"script-nvm-exec\" should return the location of nvm.sh"
+
+# nvm_source with any other parameter errors out and exits
+nvm_source "anything" 2> /dev/null && die "nvm_source with invalid parameter should exit"
+out=$(nvm_source "anything" 2>&1 >/dev/null) || : #Saving the process here
+[ -z "$out" ] && die "nvm_source with invalid parameter should error out"
+
+#nvm_source should always return NVM_SOURCE no matter the parameters
+NVM_SOURCE="my_location"
+out=$(nvm_source)
+[ "_$out" = "_my_location" ] || die "nvm_source without arguments should have returned \$NVM_SOURCE. Got \"$out\""
+out=$(nvm_source "git")
+[ "_$out" = "_my_location" ] || die "nvm_source git should have returned \$NVM_SOURCE. Got \"$out\""
+out=$(nvm_source "script")
+[ "_$out" = "_my_location" ] || die "nvm_source script should have returned \$NVM_SOURCE. Got \"$out\""
+out=$(nvm_source "anything")
+[ "_$out" = "_my_location" ] || die "nvm_source script should have returned \$NVM_SOURCE. Got \"$out\""
+
+cleanup
+
--- a/test/installation/io.js/install
+++ b/test/installation/io.js/install
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+[ "$(nvm install invalid.invalid 2>&1)" = "Version 'invalid.invalid' not found - try \`nvm ls-remote\` to browse available versions." ] || die "nvm installing an invalid version did not print a nice error message"
+
+# Remove the stuff we're clobbering.
+[ -e ../../../versions/io.js/v1.0.0 ] && rm -R ../../../versions/io.js/v1.0.0
+[ -e ../../../versions/io.js/v1.0.1 ] && rm -R ../../../versions/io.js/v1.0.1
+
+# Install from binary
+nvm install iojs-v1.0.0
+nvm install iojs-v1.0.1
+
+nvm use iojs-v1.0.0
+
+node --version | grep v1.0.0 || die "precondition failed: iojs node doesn't start at v1.0.0"
+iojs --version | grep v1.0.0 || die "precondition failed: iojs binary doesn't start at v1.0.0"
+
+nvm install iojs-v1.0.1
+
+node --version | grep v1.0.1 || die "nvm install on already installed version doesn't use it (node binary)"
+iojs --version | grep v1.0.1 || die "nvm install on already installed version doesn't use it (iojs binary)"
+
--- a/test/installation/io.js/install
+++ b/test/installation/io.js/install
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+NVM_TEST_VERSION="v1.0.0"
+NVM_PREFIXED_TEST_VERSION="iojs-$NVM_TEST_VERSION"
+
+# Remove the stuff we're clobbering.
+[ -e ../../../$NVM_TEST_VERSION ] && rm -R ../../../$NVM_TEST_VERSION
+
+# Install from binary
+nvm install $NVM_PREFIXED_TEST_VERSION || die "install $NVM_PREFIXED_TEST_VERSION failed"
+
+# Check
+[ -d ../../../versions/io.js/$NVM_TEST_VERSION ]
+nvm run $NVM_PREFIXED_TEST_VERSION --version | grep $NVM_TEST_VERSION || die "'nvm run $NVM_PREFIXED_TEST_VERSION --version | grep $NVM_TEST_VERSION' failed"
+
--- a/test/installation/io.js/install
+++ b/test/installation/io.js/install
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+# Remove the stuff we're clobbering.
+[ -e ../../../versions/io.js/v1.0.0 ] && rm -R ../../../versions/io.js/v1.0.0
+[ -e ../../../versions/io.js/v1.0.1 ] && rm -R ../../../versions/io.js/v1.0.1
+
+# Install from binary
+nvm install iojs-v1.0.0 || die "'nvm install iojs-v1.0.0' failed"
+nvm i iojs-v1.0.1 || die "'nvm i iojs-v1.0.1' failed"
+
+# Check
+[ -d ../../../versions/io.js/v1.0.0 ] || die "iojs v1.0.0 didn't exist"
+[ -d ../../../versions/io.js/v1.0.1 ] || die "iojs v1.0.1 didn't exist"
+
+# Use the first one
+nvm use iojs-1.0.0 || die "'nvm use iojs-1.0.0' failed"
+
+# Use the latest one
+nvm use iojs-1 || die "'nvm use iojs-1' failed"
+[ "_$(node --version)" = "_v1.0.1" ] || die "'node --version' was not v1.0.1, got: $(node --version)"
+[ "_$(iojs --version)" = "_v1.0.1" ] || die "'iojs --version' was not v1.0.1, got: $(iojs --version)"
+
--- a/test/installation/io.js/install
+++ b/test/installation/io.js/install
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+NVM_TEST_VERSION=v1.0.0
+NVM_PREFIXED_TEST_VERSION="iojs-$NVM_TEST_VERSION"
+VERSION_PATH="../../../versions/io.js/$NVM_TEST_VERSION"
+
+# Remove the stuff we're clobbering.
+[ -e $VERSION_PATH ] && rm -R $VERSION_PATH
+
+# Install from binary
+echo "$NVM_PREFIXED_TEST_VERSION" > .nvmrc
+
+nvm install || die "'nvm install' failed"
+
+# Check
+[ -d $VERSION_PATH ] || die "./$VERSION_PATH did not exist"
+nvm run $NVM_PREFIXED_TEST_VERSION --version | grep $NVM_TEST_VERSION \
+  || "'nvm run $NVM_PREFIXED_TEST_VERSION --version | grep $NVM_TEST_VERSION' failed"
+
+
--- a/test/installation/io.js/install
+++ b/test/installation/io.js/install
@@ -0,0 +1,32 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+# Remove the stuff we're clobbering.
+[ -e ../../../versions/io.js/v1.0.0 ] && rm -R ../../../versions/io.js/v1.0.0
+[ -e ../../../versions/io.js/v1.0.1 ] && rm -R ../../../versions/io.js/v1.0.1
+
+# Install from binary
+nvm install iojs-v1.0.0
+
+# Check
+[ -d ../../../versions/io.js/v1.0.0 ] || die "nvm install iojs-v1.0.0 didn't install"
+
+node --version | grep v1.0.0 > /dev/null || die "nvm install didn't use iojs-v1.0.0"
+
+npm install -g object-is@0.0.0 || die "npm install -g object-is failed"
+npm list --global | grep object-is > /dev/null || die "object-is isn't installed"
+
+nvm ls iojs-1 | grep iojs-v1.0.0 > /dev/null || die "nvm ls iojs-1 didn't show iojs-v1.0.0"
+
+nvm install iojs-v1.0.1 --reinstall-packages-from=iojs-1.0.0 || die "nvm install iojs-v1.0.1 --reinstall-packages-from=iojs-1.0.0 failed"
+
+[ -d ../../../versions/io.js/v1.0.1 ] || die "nvm install iojs-v1.0.1 didn't install"
+
+nvm use iojs-1
+node --version | grep v1.0.1 > /dev/null || die "nvm use iojs-1 didn't use v1.0.1"
+
+npm list --global | grep object-is > /dev/null || die "object-is isn't installed"
+
--- a/test/installation/io.js/nvm
+++ b/test/installation/io.js/nvm
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+NVM_VERSION="v1"
+NVM_PREFIXED_TEST_VERSION="$(nvm ls-remote "$NVM_VERSION" | tail -n1 | sed 's/^[    ]*//;s/[        ]*$//')"
+NVM_TEST_VERSION="$(nvm_strip_iojs_prefix "$NVM_PREFIXED_TEST_VERSION")"
+
+# Remove the stuff we're clobbering.
+[ -e ../../../$NVM_TEST_VERSION ] && rm -R ../../../$NVM_TEST_VERSION
+
+# Install from binary
+nvm install "$NVM_VERSION" || die "nvm install $NVM_VERSION failed"
+
+# Check
+[ -d ../../../versions/io.js/$NVM_TEST_VERSION ]
+nvm run $NVM_PREFIXED_TEST_VERSION --version | grep $NVM_TEST_VERSION || die "'nvm run $NVM_PREFIXED_TEST_VERSION --version | grep $NVM_TEST_VERSION' failed"
+
--- a/test/installation/io.js/setup_dir
+++ b/test/installation/io.js/setup_dir
--- a/test/installation/io.js/teardown_dir
+++ b/test/installation/io.js/teardown_dir
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+. ../../../nvm.sh
+nvm deactivate
+nvm uninstall iojs-v1.0.0
+
+if [ -f ".nvmrc" ]; then
+  rm .nvmrc
+fi
+
+if [ -f ".nvmrc.bak" ]; then
+  mv .nvmrc.bak .nvmrc
+fi
+
--- a/test/installation/node/install
+++ b/test/installation/node/install
--- a/test/installation/node/install
+++ b/test/installation/node/install
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+NVM_TEST_VERSION=v0.10.7
+
+# Remove the stuff we're clobbering.
+[ -e ../../../$NVM_TEST_VERSION ] && rm -R ../../../$NVM_TEST_VERSION
+
+# Install from binary
+nvm install $NVM_TEST_VERSION || die "install $NVM_TEST_VERSION failed"
+
+# Check
+[ -d ../../../$NVM_TEST_VERSION ]
+nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION || die "'nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION' failed"
+
--- a/test/installation/node/install
+++ b/test/installation/node/install
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+NVM_TEST_VERSION=v0.10.7
+
+# Remove the stuff we're clobbering.
+[ -e ../../../$NVM_TEST_VERSION ] && rm -R ../../../$NVM_TEST_VERSION
+
+# Install from source
+nvm install -s $NVM_TEST_VERSION || die "'nvm install -s $NVM_TEST_VERSION' failed"
+
+# Check
+[ -d ../../../$NVM_TEST_VERSION ]
+nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION || "'nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION' failed"
+
--- a/test/installation/node/install
+++ b/test/installation/node/install
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+NVM_TEST_VERSION=v0.8.5
+
+# Remove the stuff we're clobbering.
+[ -e ../../../$NVM_TEST_VERSION ] && rm -R ../../../$NVM_TEST_VERSION
+
+# Install from source implicitly (v0.8.6 is when binaries started)
+nvm install $NVM_TEST_VERSION || die "'nvm install -s $NVM_TEST_VERSION' failed"
+
+# Check
+[ -d ../../../$NVM_TEST_VERSION ]
+nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION || "'nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION' failed"
+
--- a/test/installation/node/install
+++ b/test/installation/node/install
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+NVM_TEST_VERSION=v0.10.7
+
+# Remove the stuff we're clobbering.
+[ -e ../../../$NVM_TEST_VERSION ] && rm -R ../../../$NVM_TEST_VERSION
+
+# Fake ARM arch
+nvm_get_arch() {
+  echo "armv7l"
+}
+
+# Install from source
+nvm install -s $NVM_TEST_VERSION || die "'nvm install -s $NVM_TEST_VERSION' failed"
+
+# Check Install
+[ -d ../../../$NVM_TEST_VERSION ]
+node --version | grep $NVM_TEST_VERSION || "'node --version | grep $NVM_TEST_VERSION' failed"
+
+# Check V8 snapshot isn't compiled
+node -p "if(! process.config.variables.v8_use_snapshot) { console.log('no-snapshot'); }" | grep "no-snapshot" || "'node -p \"if(! process.config.variables.v8_use_snapshot) { console.log('no-snapshot'); }\" | grep \"no-snapshot\"' failed"
--- a/test/installation/node/install
+++ b/test/installation/node/install
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+# Remove the stuff we're clobbering.
+[ -e ../../../v0.9.7 ] && rm -R ../../../v0.9.7
+[ -e ../../../v0.9.12 ] && rm -R ../../../v0.9.12
+
+# Install from binary
+nvm install 0.9.7 || die "'nvm install 0.9.7' failed"
+nvm i 0.9.12 || die "'nvm i 0.9.12' failed"
+
+# Check
+[ -d ../../../v0.9.7 ] || die "v0.9.7 didn't exist"
+[ -d ../../../v0.9.12 ] || die "v0.9.12 didn't exist"
+
+# Use the first one
+nvm use 0.9.7 || die "'nvm use 0.9.7' failed"
+
+# Use the latest one
+nvm use 0.9 || die "'nvm use 0.9' failed"
+node --version | grep v0.9.12 || die "'node --version' was not v0.9.12, got: $(node --version)"
+
--- a/test/installation/node/install
+++ b/test/installation/node/install
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+NVM_TEST_VERSION=v0.10.7
+
+# Remove the stuff we're clobbering.
+[ -e ../../../$NVM_TEST_VERSION ] && rm -R ../../../$NVM_TEST_VERSION
+
+# Install from binary
+echo "$NVM_TEST_VERSION" > .nvmrc
+
+nvm install || die "'nvm install' failed"
+
+# Check
+[ -d ../../../$NVM_TEST_VERSION ] || die "./$NVM_TEST_VERSION did not exist"
+nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION \
+  || "'nvm run $NVM_TEST_VERSION --version | grep $NVM_TEST_VERSION' failed"
+
+
--- a/Show More
+++ b/Show More