fix(common): guard the WORKDIR environment var

This avoids the unwanted removal of the folder if someone has already
pre-defined the variable.

Fixes #219

Suggested-by: Levente Polyak <anthraxx@archlinux.org>
Signed-off-by: Christian Heusel <christian@heusel.eu>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/lib/common.sh b/src/lib/common.sh
index b087bb1..5416eaf 100644
--- a/src/lib/common.sh
+++ b/src/lib/common.sh
@@ -120,6 +120,8 @@ print_workdir_error() {
 }
 
 _setup_workdir=false
+# Ensure that there is no outside value for WORKDIR leaking in
+unset WORKDIR
 setup_workdir() {
 	[[ -z ${WORKDIR:-} ]] && WORKDIR=$(mktemp -d --tmpdir "${0##*/}.XXXXXXXXXX")
 	_setup_workdir=true