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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.
# ###########################################################################
# tmpdir package
# ###########################################################################
# Package: tmpdir
# tmpdir make a secure temporary directory using mktemp.
set -u
# Global variables.
PT_TMPDIR=""
# Sub: mk_tmpdir
# Create a secure tmpdir and set PT_TMPDIR.
#
# Optional Arguments:
# dir - User-specified tmpdir (default none).
#
# Set Global Variables:
# PT_TMPDIR - Absolute path of secure temp directory.
mk_tmpdir() {
local dir="${1:-""}"
if [ -n "$dir" ]; then
if [ ! -d "$dir" ]; then
mkdir "$dir" || die "Cannot make tmpdir $dir"
fi
PT_TMPDIR="$dir"
else
local tool="${0##*/}"
local pid="$$"
PT_TMPDIR=`mktemp -d -t "${tool}.${pid}.XXXXXX"` \
|| die "Cannot make secure tmpdir"
fi
}
# Sub: rm_tmpdir
# Remove the tmpdir and unset PT_TMPDIR.
#
# Optional Global Variables:
# PT_TMPDIR - PT_TMPDIR set by <mk_tmpdir()>.
#
# Set Global Variables:
# PT_TMPDIR - Set to "".
rm_tmpdir() {
if [ -n "$PT_TMPDIR" ] && [ -d "$PT_TMPDIR" ]; then
rm -rf "$PT_TMPDIR"
fi
PT_TMPDIR=""
}
# ###########################################################################
# End tmpdir package
# ###########################################################################
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