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lib/common.sh: Adjust to work properly with `set -u`.

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Luke Shumaker 2017-04-02 04:10:01 -04:00 committed by Jan Alexander Steffens (heftig)
parent fb40b58772
commit 747e8ffc8d
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GPG Key ID: A5E9288C4FA415FA
1 changed files with 4 additions and 3 deletions
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7
lib/common.sh
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@ -1,4 +1,5 @@
#!/hint/bash
# This may be included with or without `set -euE`
# License: Unspecified
@ -8,7 +9,7 @@ export LANG=C
shopt -s extglob
# check if messages are to be printed using color
unset ALL_OFF BOLD BLUE GREEN RED YELLOW
declare ALL_OFF='' BOLD='' BLUE='' GREEN='' RED='' YELLOW=''
if [[ -t 2 ]]; then
# prefer terminal safe colored and bold text when tput is supported
if tput setaf 0 &>/dev/null; then
@ -65,14 +66,14 @@ stat_done() {
_setup_workdir=false
setup_workdir() {
[[ -z $WORKDIR ]] && WORKDIR=$(mktemp -d --tmpdir "${0##*/}.XXXXXXXXXX")
[[ -z ${WORKDIR:-} ]] && WORKDIR=$(mktemp -d --tmpdir "${0##*/}.XXXXXXXXXX")
_setup_workdir=true
trap 'trap_abort' INT QUIT TERM HUP
trap 'trap_exit' EXIT
}
cleanup() {
if [[ -n $WORKDIR ]] && $_setup_workdir; then
if [[ -n ${WORKDIR:-} ]] && $_setup_workdir; then
rm -rf "$WORKDIR"
fi
exit ${1:-0}