Remove trailing spaces (#665)

* Remove trailing spaces

* PR-665 -  Remove trailing spaces

- Updated not stable test t/pt-online-schema-change/preserve_triggers.t
- Updated utilities in bin directory

* PR-665 -  Remove trailing spaces

- Fixed typos

* PR-665 -  Remove trailing spaces

- Fixed typos

---------

Co-authored-by: Sveta Smirnova <sveta.smirnova@percona.com>

util/build-packages

@@ -81,7 +81,7 @@ GO_SRC_DIR=$(git rev-parse --show-toplevel)/src/go
 # Programs and their options
 # ############################################################################
 
-TAR=${TAR:-tar}                                  
+TAR=${TAR:-tar}
 
 # ############################################################################
 # Subroutines
@@ -154,8 +154,8 @@ update_version() {
       die "Error updating version in Makefile.PL"
    fi
    rm "Makefile.PL.bak"
-   echo "OK"   
-   
+   echo "OK"
+
    echo -n "Updating version in percona-toolkit.pod... "
    cd $DOCS_DIR
    sed -i'.bak' -e "s/^Percona Toolkit v.*/Percona Toolkit v$VERSION released $DATE/" percona-toolkit.pod
@@ -163,8 +163,8 @@ update_version() {
       die "Error updating version in percona-toolkit.pod"
    fi
    rm "percona-toolkit.pod.bak"
-   echo "OK"   
-   
+   echo "OK"
+
    echo -n "Updating version in sphinx-build/conf.py... "
    # What Sphinx calls version, we call series; what it calls release we
    # call version.
@@ -179,7 +179,7 @@ update_version() {
       die "Error updating release in conf.py"
    fi
    rm "conf.py.bak"
-   echo "OK"   
+   echo "OK"
 }
 
 update_copyright_year() {
@@ -288,7 +288,7 @@ update_changelog() {
    cat $BRANCH/Changelog | $BRANCH/util/log-entries $VERSION >> /tmp/changelog.tmp
    echo >> /tmp/changelog.tmp
    echo " -- Percona Toolkit Developers <toolkit-dev@percona.com>  $DEB_DATE
-" >> /tmp/changelog.tmp 
+" >> /tmp/changelog.tmp
    cat changelog >> /tmp/changelog.tmp
    mv /tmp/changelog.tmp changelog
    echo "OK"
@@ -435,15 +435,15 @@ build_go_binaries() {
    TOOLKIT_DIR="${PERCONA_DIR}/percona-toolkit"
    GO_TOOLS_DIR="${TOOLKIT_DIR}/src/go"
    CUR_DIR=$(pwd)
-   UNLINK=0               
+   UNLINK=0
    export PATH=${GOPATH}/bin:${PATH}
-   
+
    echo "GOPATH: ${GOPATH}"
    echo "Github directory: ${GITHUB_DIR}"
    echo "Percona directory: ${PERCONA_DIR}"
    echo "Toolkit directory: ${TOOLKIT_DIR}"
    echo "Current directory: ${CUR_DIR}"
-   
+
    if [[ ${BASE_DIR} != ${TOOLKIT_DIR} ]]
    then
        echo "not in gopath"
@@ -562,7 +562,7 @@ if [ $UPDATE -eq 1 ]; then
       update_percona_toolkit_pod
       update_changelog
       update_rel_notes
-      update_user_docs 
+      update_user_docs
    fi
 fi
 
@@ -601,7 +601,7 @@ MSG
    if [ $BUILD_RPM -eq 1 ]; then
       build_rpm
    fi
-   
+
    BUILD_DEB=${BUILD_DEB:-1}
    if [ $BUILD_DEB -eq 1 ]; then
       build_deb

util/build-snapshot

@@ -65,14 +65,14 @@ prep_release_dir() {
    # Make temp snapshot dir so we can copy and modify files in it
    # without affecting the underlying bzr branch because, unlike
    # a release, we don't want to commit anything, but we do want
-   # to modify stuff, namely the tools' version. 
+   # to modify stuff, namely the tools' version.
    if [ ! -d $SNAPSHOT_DIR ]; then
       mkdir $SNAPSHOT_DIR
    elif [ -d $SNAPSHOT_DIR/$PKG ]; then
       rm -rf $SNAPSHOT_DIR/$PKG/*
    fi
 
-   # Copy the tools, of course.   
+   # Copy the tools, of course.
    mkdir -p $SNAPSHOT_DIR/$PKG/bin
    cp bin/* $SNAPSHOT_DIR/$PKG/bin
 

util/check-dev-env

@@ -24,7 +24,7 @@ my @required_modules = qw(
    IO::File
    List::Util
    POSIX
-   Socket 
+   Socket
    Test::More
    Time::HiRes
    Time::Local
@@ -46,7 +46,7 @@ printf $fmt, "Perl", `perl -v | perl -ne '/v([\\d\\.]+)/ && print \$1'`;
 foreach my $module (@required_modules) {
    my $version = "NA";
    eval "require $module";
-   if ( $EVAL_ERROR ) { 
+   if ( $EVAL_ERROR ) {
       $exit_status = 1;
    }
    else {
@@ -58,7 +58,7 @@ foreach my $module (@required_modules) {
 foreach my $module (@optional_modules) {
    my $version = "NA";
    eval "require $module";
-   if ( !$EVAL_ERROR ) { 
+   if ( !$EVAL_ERROR ) {
       $version = ${"${module}::VERSION"};
    }
    printf $fmt, $module, $version;

util/check-tool

@@ -137,7 +137,7 @@ sub parse_options {
          map { printf $fmt, $opts[$_], $sorted[$_] }
          grep { $opts[$_] ne $sorted[$_] }
          ($i..$#sorted);
-         last; 
+         last;
       }
    }
 
@@ -223,7 +223,7 @@ sub check_module_usage {
          . join('', map { "\t$_\n" } @unused);
       $exit_status = 1;
    }
-   
+
    return;
 }
 
@@ -278,7 +278,7 @@ sub check_option_types {
    # standard filter --columns (e.g. same family as --databases, --tables, etc.)
    # These exceptions are good candidates for change, so our standard options
    # really are standard across all tools.
-   my $exception = { 
+   my $exception = {
       'pt-deadlock-logger' => {  # not standard filter
          columns => {
             type  => 'h',
@@ -382,7 +382,7 @@ sub check_pod_header_order {
          map { printf $fmt, ($hdrs[$_] || ''), $std_hdrs[$_] }
          grep { ($hdrs[$_] || '') ne $std_hdrs[$_] }
          ($i..$#std_hdrs);
-         last; 
+         last;
       }
    }
 
@@ -400,7 +400,7 @@ sub check_pod_formatting {
    }
 
    chomp(my $podchecker = `which podchecker`);
-   if ( $podchecker ) { 
+   if ( $podchecker ) {
       $output = `$podchecker $tool_file 2>&1`;
       if ( $output !~ m/pod syntax OK/ ) {
          $exit_status = 1;

util/log-entries

@@ -18,7 +18,7 @@ BEGIN {
          exit
       if ( \$0 ~ /^\$/ )
          continue
-      
+
       print
    }
 }

util/pod2rst-fixed

@@ -93,7 +93,7 @@ while (my $para = <$in>) {
 }
 
 close $in;
- 
+
 if ($nofix) {
    print $fixed_output;
 }

util/test-bash-functions

@@ -8,7 +8,7 @@
 # Standard startup, find the branch's root directory
 # ############################################################################
 LANG='en_US.UTF-8'
-LC_NUMERIC='POSIX' 
+LC_NUMERIC='POSIX'
 
 die() {
    echo $1 >&2

util/tool-header

@@ -77,7 +77,7 @@ use warnings FATAL => 'all';
 # of this so it will not try to load the module from @INC.  See the tool's
 # documentation for a full list of dependencies.
 BEGIN {
-   \$INC{\$_} = __FILE__ for map { (my \$pkg = \"\$_.pm\") =~ s!::!/!g; \$pkg } (qw(" 
+   \$INC{\$_} = __FILE__ for map { (my \$pkg = \"\$_.pm\") =~ s!::!/!g; \$pkg } (qw("
 
 for pkg in $(grep '^package [A-Za-z:]*;' $tool_file | cut -d' ' -f2 | cut -d';' -f1); do
    echo "      $pkg"

util/update-modules

@@ -99,9 +99,9 @@ echo "# ########################################################################
 # End $pkg package" >> $tmp_file
 
    tail -n +$pkg_end_line  $tool_file >> $tmp_file
- 
+
    mv $tmp_file $tool_file
-} 
+}
 
 update_tool_header() {
    local tool_file=$1