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authorLuke Shumaker <lukeshu@parabola.nu>2013-05-27 00:40:54 -0400
committerLuke Shumaker <lukeshu@parabola.nu>2017-02-16 14:42:30 -0500
commitadbb2b576709b8fd15e59cfcebd672c27d50d01f (patch)
treea81e9362fd69884a65e19b5f86195fccf0608192
parentbdd7c46322a93d4a98202e574f8e65fcd379e5ef (diff)
lib/common.sh: Adjust to work properly with `set -u`.
-rw-r--r--lib/common.sh9
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/common.sh b/lib/common.sh
index dbacebf..455eb03 100644
--- a/lib/common.sh
+++ b/lib/common.sh
@@ -1,10 +1,13 @@
+#!/hint/bash
+# This may be included with or without `set -euE`
+
# Avoid any encoding problems
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
@@ -61,14 +64,14 @@ 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}