[ci] Fix quoting in clang-format CI check
$changed_files should be quoted when used in `test -z`. This commit
fixes that.
Signed-off-by: Alex Bradbury <asb@lowrisc.org>
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 77d2f0d..4509d69 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -63,7 +63,7 @@
#echo "##vso[task.issue type=error;sourcepath=/azure-pipelines.yml;linenumber=45;columnnumber=1;code=100;]Found something that could be a problem."
fork_origin=$(git merge-base --fork-point origin/master)
changed_files=$(git diff --name-only $fork_origin | grep -v /vendor/ | grep -E '\.(cpp|cc|c|h)$')
- test -z $changed_files || git diff -U0 $fork_origin $changed_files | clang-format-diff -p1 | tee clang-format-output
+ test -z "$changed_files" || git diff -U0 $fork_origin $changed_files | clang-format-diff -p1 | tee clang-format-output
if [ -s clang-format-output ]; then
echo -n "##vso[task.logissue type=error]"
echo "C/C++ lint failed. Use 'git clang-format' with appropriate options to reformat the changed code."
