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authorBen Wijen <ben@wijen.net>2019-08-30 17:16:05 +0200
committerJunio C Hamano <gitster@pobox.com>2019-09-07 10:17:05 -0700
commitd2172ef02dee468b85bc4567332cbf58cd6b4b0a (patch)
tree540c247acc482e67a82b8cde319c05c319adc420
parent5fa0f5238b0cd46cfe7f6fa76c3f526ea98148d9 (diff)
downloadgit-d2172ef02dee468b85bc4567332cbf58cd6b4b0a.tar.xz
builtin/rebase.c: make sure the active branch isn't moved when autostashing
Consider the following scenario: git checkout not-the-master work work work git rebase --autostash upstream master Here 'rebase --autostash <upstream> <branch>' incorrectly moves the active branch (not-the-master) to master (before the rebase). The expected behavior: (58794775:/git-rebase.sh:526) AUTOSTASH=$(git stash create autostash) git reset --hard git checkout master git rebase upstream git stash apply $AUTOSTASH The actual behavior: (6defce2b:/builtin/rebase.c:1062) AUTOSTASH=$(git stash create autostash) git reset --hard master git checkout master git rebase upstream git stash apply $AUTOSTASH This commit reinstates the 'legacy script' behavior as introduced with 58794775: rebase: implement --[no-]autostash and rebase.autostash Signed-off-by: Ben Wijen <ben@wijen.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--builtin/rebase.c9
-rwxr-xr-xt/t3420-rebase-autostash.sh8
2 files changed, 14 insertions, 3 deletions
diff --git a/builtin/rebase.c b/builtin/rebase.c
index 670096c065..0a2f9273ee 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -1968,9 +1968,12 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
state_dir_path("autostash", &options);
struct child_process stash = CHILD_PROCESS_INIT;
struct object_id oid;
- struct commit *head =
- lookup_commit_reference(the_repository,
- &options.orig_head);
+ struct object_id head_oid;
+ struct commit *head;
+
+ if (get_oid("HEAD", &head_oid))
+ die(_("could not determine HEAD revision"));
+ head = lookup_commit_reference(the_repository, &head_oid);
argv_array_pushl(&stash.args,
"stash", "create", "autostash", NULL);
diff --git a/t/t3420-rebase-autostash.sh b/t/t3420-rebase-autostash.sh
index b8f4d03467..1131e0016a 100755
--- a/t/t3420-rebase-autostash.sh
+++ b/t/t3420-rebase-autostash.sh
@@ -306,4 +306,12 @@ test_expect_success 'branch is left alone when possible' '
test unchanged-branch = "$(git rev-parse --abbrev-ref HEAD)"
'
+test_expect_success 'never change active branch' '
+ git checkout -b not-the-feature-branch unrelated-onto-branch &&
+ test_when_finished "git reset --hard && git checkout master" &&
+ echo changed >file0 &&
+ git rebase --autostash not-the-feature-branch feature-branch &&
+ test_cmp_rev not-the-feature-branch unrelated-onto-branch
+'
+
test_done