commit 87445f269a48e0a3d3bf5c66f7d8dcbb61171729
author Patrick Venture <venture@google.com> Mon Oct 15 17:10:46 2018 -0700
committer Patrick Venture <venture@google.com> Tue Oct 16 08:57:03 2018 -0700
tree 907d0809833aa9b68a1b7c34ca37acb1fb0a40c7
parent 1962d57dfd73253cbbe6fa717356d2ca6183be79

cleanup: use double brackets instead of single

[[ ... ]] reduces errors as no pathname expansion or word splitting
takes place between [[ and ]]. In addition, [[ ... ]] allows for
regular expression matching while [ ... ] does not.

Change-Id: I3f085152d9ba21a72eff5d5dc301cc5b80226a70
Signed-off-by: Patrick Venture <venture@google.com>

build-unit-test-docker.sh

diff --git a/build-unit-test-docker.sh b/build-unit-test-docker.sh
index 4cb549b..3f1870d 100755
--- a/build-unit-test-docker.sh
+++ b/build-unit-test-docker.sh
@@ -36,7 +36,7 @@
 DEPCACHE_FILE=""
 cleanup() {
   local status="$?"
-  if [ -n "$DEPCACHE_FILE" ]; then
+  if [[ -n "$DEPCACHE_FILE" ]]; then
     rm -f "$DEPCACHE_FILE"
   fi
   trap - EXIT ERR