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authorJonathan Nieder <jrnieder@gmail.com>2011-12-10 12:49:25 (GMT)
committerJunio C Hamano <gitster@pobox.com>2011-12-12 21:31:32 (GMT)
commit093a309136c38eca0ea2dd5da3c68b483443d113 (patch)
tree30b2b0d8aff3c55b0d4aa2860d3e9a0b0ca5c6d3
parent1df9bf46d656970d0db254cb7faab0d0505802e0 (diff)
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revert: allow cherry-pick --continue to commit before resuming
When "git cherry-pick ..bar" encounters conflicts, permit the operator to use cherry-pick --continue after resolving them as a shortcut for "git commit && git cherry-pick --continue" to record the resolution and carry on with the rest of the sequence. This improves the analogy with "git rebase" (in olden days --continue was the way to preserve authorship when a rebase encountered conflicts) and fits well with a general UI goal of making "git cmd --continue" save humans the trouble of deciding what to do next. Example: after encountering a conflict from running "git cherry-pick foo bar baz": CONFLICT (content): Merge conflict in main.c error: could not apply f78a8d98c... bar! hint: after resolving the conflicts, mark the corrected paths hint: with 'git add <paths>' or 'git rm <paths>' hint: and commit the result with 'git commit' We edit main.c to resolve the conflict, mark it acceptable with "git add main.c", and can run "cherry-pick --continue" to resume the sequence. $ git cherry-pick --continue [editor opens to confirm commit message] [master 78c8a8c98] bar! 1 files changed, 1 insertions(+), 1 deletions(-) [master 87ca8798c] baz! 1 files changed, 1 insertions(+), 1 deletions(-) This is done for both codepaths to pick multiple commits and a single commit. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--builtin/revert.c23
-rwxr-xr-xt/t3510-cherry-pick-sequence.sh139
2 files changed, 156 insertions, 6 deletions
diff --git a/builtin/revert.c b/builtin/revert.c
index 9f6c85c..a43b4d8 100644
--- a/builtin/revert.c
+++ b/builtin/revert.c
@@ -1038,18 +1038,35 @@ static int pick_commits(struct commit_list *todo_list, struct replay_opts *opts)
return 0;
}
+static int continue_single_pick(void)
+{
+ const char *argv[] = { "commit", NULL };
+
+ if (!file_exists(git_path("CHERRY_PICK_HEAD")) &&
+ !file_exists(git_path("REVERT_HEAD")))
+ return error(_("no cherry-pick or revert in progress"));
+ return run_command_v_opt(argv, RUN_GIT_CMD);
+}
+
static int sequencer_continue(struct replay_opts *opts)
{
struct commit_list *todo_list = NULL;
if (!file_exists(git_path(SEQ_TODO_FILE)))
- return error(_("No %s in progress"), action_name(opts));
+ return continue_single_pick();
read_populate_opts(&opts);
read_populate_todo(&todo_list, opts);
/* Verify that the conflict has been resolved */
- if (!index_differs_from("HEAD", 0))
- todo_list = todo_list->next;
+ if (file_exists(git_path("CHERRY_PICK_HEAD")) ||
+ file_exists(git_path("REVERT_HEAD"))) {
+ int ret = continue_single_pick();
+ if (ret)
+ return ret;
+ }
+ if (index_differs_from("HEAD", 0))
+ return error_dirty_index(opts);
+ todo_list = todo_list->next;
return pick_commits(todo_list, opts);
}
diff --git a/t/t3510-cherry-pick-sequence.sh b/t/t3510-cherry-pick-sequence.sh
index 2c4c1c8..4d1883b 100755
--- a/t/t3510-cherry-pick-sequence.sh
+++ b/t/t3510-cherry-pick-sequence.sh
@@ -2,6 +2,7 @@
test_description='Test cherry-pick continuation features
+ + conflicting: rewrites unrelated to conflicting
+ yetanotherpick: rewrites foo to e
+ anotherpick: rewrites foo to d
+ picked: rewrites foo to c
@@ -27,6 +28,7 @@ test_cmp_rev () {
}
test_expect_success setup '
+ git config advice.detachedhead false
echo unrelated >unrelated &&
git add unrelated &&
test_commit initial foo a &&
@@ -35,8 +37,8 @@ test_expect_success setup '
test_commit picked foo c &&
test_commit anotherpick foo d &&
test_commit yetanotherpick foo e &&
- git config advice.detachedhead false
-
+ pristine_detach initial &&
+ test_commit conflicting unrelated
'
test_expect_success 'cherry-pick persists data on failure' '
@@ -243,7 +245,66 @@ test_expect_success '--continue complains when there are unresolved conflicts' '
test_must_fail git cherry-pick --continue
'
-test_expect_success '--continue continues after conflicts are resolved' '
+test_expect_success '--continue of single cherry-pick' '
+ pristine_detach initial &&
+ echo c >expect &&
+ test_must_fail git cherry-pick picked &&
+ echo c >foo &&
+ git add foo &&
+ git cherry-pick --continue &&
+
+ test_cmp expect foo &&
+ test_cmp_rev initial HEAD^ &&
+ git diff --exit-code HEAD &&
+ test_must_fail git rev-parse --verify CHERRY_PICK_HEAD
+'
+
+test_expect_success '--continue of single revert' '
+ pristine_detach initial &&
+ echo resolved >expect &&
+ echo "Revert \"picked\"" >expect.msg &&
+ test_must_fail git revert picked &&
+ echo resolved >foo &&
+ git add foo &&
+ git cherry-pick --continue &&
+
+ git diff --exit-code HEAD &&
+ test_cmp expect foo &&
+ test_cmp_rev initial HEAD^ &&
+ git diff-tree -s --pretty=tformat:%s HEAD >msg &&
+ test_cmp expect.msg msg &&
+ test_must_fail git rev-parse --verify CHERRY_PICK_HEAD &&
+ test_must_fail git rev-parse --verify REVERT_HEAD
+'
+
+test_expect_success '--continue after resolving conflicts' '
+ pristine_detach initial &&
+ echo d >expect &&
+ cat >expect.log <<-\EOF &&
+ OBJID
+ :100644 100644 OBJID OBJID M foo
+ OBJID
+ :100644 100644 OBJID OBJID M foo
+ OBJID
+ :100644 100644 OBJID OBJID M unrelated
+ OBJID
+ :000000 100644 OBJID OBJID A foo
+ :000000 100644 OBJID OBJID A unrelated
+ EOF
+ test_must_fail git cherry-pick base..anotherpick &&
+ echo c >foo &&
+ git add foo &&
+ git cherry-pick --continue &&
+ {
+ git rev-list HEAD |
+ git diff-tree --root --stdin |
+ sed "s/$_x40/OBJID/g"
+ } >actual.log &&
+ test_cmp expect foo &&
+ test_cmp expect.log actual.log
+'
+
+test_expect_success '--continue after resolving conflicts and committing' '
pristine_detach initial &&
test_must_fail git cherry-pick base..anotherpick &&
echo "c" >foo &&
@@ -270,6 +331,29 @@ test_expect_success '--continue continues after conflicts are resolved' '
test_cmp expect actual
'
+test_expect_success '--continue asks for help after resolving patch to nil' '
+ pristine_detach conflicting &&
+ test_must_fail git cherry-pick initial..picked &&
+
+ test_cmp_rev unrelatedpick CHERRY_PICK_HEAD &&
+ git checkout HEAD -- unrelated &&
+ test_must_fail git cherry-pick --continue 2>msg &&
+ test_i18ngrep "The previous cherry-pick is now empty" msg
+'
+
+test_expect_failure 'follow advice and skip nil patch' '
+ pristine_detach conflicting &&
+ test_must_fail git cherry-pick initial..picked &&
+
+ git checkout HEAD -- unrelated &&
+ test_must_fail git cherry-pick --continue &&
+ git reset &&
+ git cherry-pick --continue &&
+
+ git rev-list initial..HEAD >commits &&
+ test_line_count = 3 commits
+'
+
test_expect_success '--continue respects opts' '
pristine_detach initial &&
test_must_fail git cherry-pick -x base..anotherpick &&
@@ -288,6 +372,29 @@ test_expect_success '--continue respects opts' '
grep "cherry picked from" anotherpick_msg
'
+test_expect_success '--continue of single-pick respects -x' '
+ pristine_detach initial &&
+ test_must_fail git cherry-pick -x picked &&
+ echo c >foo &&
+ git add foo &&
+ git cherry-pick --continue &&
+ test_path_is_missing .git/sequencer &&
+ git cat-file commit HEAD >msg &&
+ grep "cherry picked from" msg
+'
+
+test_expect_success '--continue respects -x in first commit in multi-pick' '
+ pristine_detach initial &&
+ test_must_fail git cherry-pick -x picked anotherpick &&
+ echo c >foo &&
+ git add foo &&
+ git cherry-pick --continue &&
+ test_path_is_missing .git/sequencer &&
+ git cat-file commit HEAD^ >msg &&
+ picked=$(git rev-parse --verify picked) &&
+ grep "cherry picked from.*$picked" msg
+'
+
test_expect_success '--signoff is not automatically propagated to resolved conflict' '
pristine_detach initial &&
test_must_fail git cherry-pick --signoff base..anotherpick &&
@@ -306,6 +413,32 @@ test_expect_success '--signoff is not automatically propagated to resolved confl
grep "Signed-off-by:" anotherpick_msg
'
+test_expect_success '--signoff dropped for implicit commit of resolution, multi-pick case' '
+ pristine_detach initial &&
+ test_must_fail git cherry-pick -s picked anotherpick &&
+ echo c >foo &&
+ git add foo &&
+ git cherry-pick --continue &&
+
+ git diff --exit-code HEAD &&
+ test_cmp_rev initial HEAD^^ &&
+ git cat-file commit HEAD^ >msg &&
+ ! grep Signed-off-by: msg
+'
+
+test_expect_success 'sign-off needs to be reaffirmed after conflict resolution, single-pick case' '
+ pristine_detach initial &&
+ test_must_fail git cherry-pick -s picked &&
+ echo c >foo &&
+ git add foo &&
+ git cherry-pick --continue &&
+
+ git diff --exit-code HEAD &&
+ test_cmp_rev initial HEAD^ &&
+ git cat-file commit HEAD >msg &&
+ ! grep Signed-off-by: msg
+'
+
test_expect_success 'malformed instruction sheet 1' '
pristine_detach initial &&
test_must_fail git cherry-pick base..anotherpick &&