#!/bin/sh # Copyright (C) 2004, Thomas Esser. Public domain. # First, work around bugs/limitations in some shells on some systems: test -f /bin/sh5 && test -z "$RUNNING_SH5" \ && { UNAMES=`uname -s`; test "x$UNAMES" = xULTRIX; } 2>/dev/null \ && { RUNNING_SH5=true; export RUNNING_SH5; exec /bin/sh5 $0 ${1+"$@"}; } unset RUNNING_SH5 test -f /bin/bsh && test -z "$RUNNING_BSH" \ && { UNAMES=`uname -s`; test "x$UNAMES" = xAIX; } 2>/dev/null \ && { RUNNING_BSH=true; export RUNNING_BSH; exec /bin/bsh $0 ${1+"$@"}; } unset RUNNING_BSH # hack around a bug in zsh: test -n "${ZSH_VERSION+set}" && alias -g '${1+"$@"}'='"$@"' ############################################################################### # cleanup() # clean up the temp area and exit with proper exit status ############################################################################### cleanup() { rc=$? $needsCleanup && test -n "$tmpdir" && test -d "$tmpdir" \ && { rm -f "$tmpdir"/*; cd /; rmdir "$tmpdir"; } # set exit code in a portable way; see the autoconf manual for details: (exit $rc); exit $rc } ############################################################################### # setupTmpDir() # set up a temp directory and a trap to remove it ############################################################################### setupTmpDir() { $needsCleanup && return trap 'cleanup' 1 2 3 7 13 15 needsCleanup=true (umask 077; mkdir "$tmpdir") \ || abort "could not create directory \`$tmpdir'" } ############################################################################### # myexec(args) # execute the command given as "args"; abort on error; redirect messages to # log in "silent" mode; redirect stdin ($log 2>&1