Add a test for `git replace --convert-graft-file`
The proof, as the saying goes, lies in the pudding. So here is a
regression test that not only demonstrates what the option is supposed to
accomplish, but also demonstrates that it does accomplish it.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/t/t6050-replace.sh b/t/t6050-replace.sh
index c630aba..d174bfe 100755
--- a/t/t6050-replace.sh
+++ b/t/t6050-replace.sh
@@ -444,4 +444,32 @@
git replace -d $HASH10
'
+test_expect_success '--convert-graft-file' '
+ git checkout -b with-graft-file &&
+ test_commit root2 &&
+ git reset --hard root2^ &&
+ test_commit root1 &&
+ test_commit after-root1 &&
+ test_tick &&
+ git merge -m merge-root2 root2 &&
+
+ : add and convert graft file &&
+ printf "%s\n%s %s\n\n# comment\n%s\n" \
+ $(git rev-parse HEAD^^ HEAD^ HEAD^^ HEAD^2) \
+ >.git/info/grafts &&
+ git replace --convert-graft-file &&
+ test_path_is_missing .git/info/grafts &&
+
+ : verify that the history is now "grafted" &&
+ git rev-list HEAD >out &&
+ test_line_count = 4 out &&
+
+ : create invalid graft file and verify that it is not deleted &&
+ test_when_finished "rm -f .git/info/grafts" &&
+ echo $EMPTY_BLOB $EMPTY_TREE >.git/info/grafts &&
+ test_must_fail git replace --convert-graft-file 2>err &&
+ test_i18ngrep "$EMPTY_BLOB $EMPTY_TREE" err &&
+ test_i18ngrep "$EMPTY_BLOB $EMPTY_TREE" .git/info/grafts
+'
+
test_done
