Quote arguments to tr in test-lib

When there are single-character filenames in the test directory,
the shell tries to expand regexps meant for tr.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/t/test-lib.sh b/t/test-lib.sh
index e2629339d4b1c9acf8cdf002f8ac59ef736eacf3..e75ad5faace6e40e7f6f3f47e9be90b0e9c4691e 100755 (executable)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -34,7 +34,7 @@ export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
 export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
 export EDITOR VISUAL
 
-case $(echo $GIT_TRACE |tr [A-Z] [a-z]) in
+case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
        1|2|true)
                echo "* warning: Some tests will not work if GIT_TRACE" \
                        "is set as to trace on STDERR ! *"