lib-submodule-update.sh: replace sha1 by hash

Cleaning up code by generalising it.
Currently the mailing list discusses yet again how
to migrate away from sha1.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/lib-submodule-update.sh b/t/lib-submodule-update.sh
index 00128f28b5a0f4df0d8ac97b19dcf3e7c316d38d..f52c49c838eef635d3dd1d413523f1a423675fc7 100755 (executable)
--- a/t/lib-submodule-update.sh
+++ b/t/lib-submodule-update.sh
@@ -171,9 +171,9 @@ reset_work_tree_to () {
                git checkout -f "$1" &&
                git status -u -s >actual &&
                test_must_be_empty actual &&
-               sha1=$(git rev-parse --revs-only HEAD:sub1) &&
-               if test -n "$sha1" &&
-                  test $(cd "../submodule_update_sub1" && git rev-parse --verify "$sha1^{commit}")
+               hash=$(git rev-parse --revs-only HEAD:sub1) &&
+               if test -n "$hash" &&
+                  test $(cd "../submodule_update_sub1" && git rev-parse --verify "$hash^{commit}")
                then
                        git submodule update --init --recursive "sub1"
                fi