Add Bash libs tmpdir and log_warn_die. Docu parse_options. Don't use TMPDIR in test-bash-functions; add ok() to test-bash-functions.

lib/bash/tmpdir.sh

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+# This program is copyright 2011 Percona Inc.
+# Feedback and improvements are welcome.
+#
+# THIS PROGRAM IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
+# WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+# MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, version 2; OR the Perl Artistic License.  On UNIX and similar
+# systems, you can issue `man perlgpl' or `man perlartistic' to read these
+# licenses.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+# Place, Suite 330, Boston, MA  02111-1307  USA.
+# ###########################################################################
+# Begin tmpdir lib
+# ###########################################################################
+
+# Library: tmpdir
+# tmpdir make a secure temporary directory using mktemp.
+
+set -u
+
+TMPDIR=""
+OPT_TMPDIR={OPT_TMPDIR:""}
+
+set_TMPDIR() {
+   if [ -n "$OPT_TMPDIR" ]; then
+      TMPDIR="$OPT_TMPDIR"
+      if [ ! -d "$TMPDIR" ]; then
+         mkdir $TMPDIR || die "Cannot make $TMPDIR"
+      fi
+   else
+      local tool=`basename $0`
+      TMPDIR=`mktemp -d /tmp/${tool}.XXXXX` || die "Cannot make secure tmpdir"
+   fi
+}
+
+rm_TMPDIR() {
+   if [ -n "$TMPDIR" ] && [ -d "$TMPDIR" ]; then
+      rm -rf $TMPDIR
+   fi
+   TMPDIR=""
+}
+
+# ###########################################################################
+# End tmpdir lib
+# ###########################################################################