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xzdiff: Use mkdir if mktemp isn't available.

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This commit is contained in:
Lasse Collin 2014-11-10 18:54:40 +02:00
parent f8c13e5e36
commit 7b03a15cea
1 changed files with 16 additions and 1 deletions
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17
src/scripts/xzdiff.in
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@ -139,7 +139,22 @@ elif test $# -eq 2; then
test -n "$tmp" && rm -rf "$tmp"
(exit 2); exit 2
' HUP INT PIPE TERM 0
tmp=`mktemp -t -d -- "$prog.XXXXXXXXXX"` || exit 2
if type mktemp >/dev/null 2>&1; then
tmp=`mktemp -t -d -- "$prog.XXXXXXXXXX"` || exit 2
else
# Fallback code if mktemp is missing. This isn't as
# robust as using mktemp since this doesn't try with
# different file names in case of a file name conflict.
#
# There's no need to save the original umask since
# we don't create any non-temp files. Note that using
# mkdir -m 0077 isn't secure since some mkdir implementations
# create the dir with the default umask and chmod the
# the dir afterwards.
umask 0077
mkdir -- "${TMPDIR-/tmp}/$prog.$$" || exit 2
tmp="${TMPDIR-/tmp}/$prog.$$"
fi
$xz2 -cdfq -- "$2" > "$tmp/$F" || exit 2
xz_status=$(
exec 4>&1