Scripts such as git rebase -i cannot currently cherry-pick commits which
have an empty commit message, as git cherry-pick calls git commit
without the --allow-empty-message option.
Add an --allow-empty-message option to git cherry-pick which is passed
through to git commit, so this behaviour can be overridden.
Signed-off-by: Chris Webb ch...@arachsys.com
---
Documentation/git-cherry-pick.txt | 5 +
builtin/revert.c | 2 ++
sequencer.c | 3 +++
sequencer.h | 1 +
t/t3505-cherry-pick-empty.sh | 5 +
5 files changed, 16 insertions(+)
diff --git a/Documentation/git-cherry-pick.txt
b/Documentation/git-cherry-pick.txt
index 0e170a5..c205d23 100644
--- a/Documentation/git-cherry-pick.txt
+++ b/Documentation/git-cherry-pick.txt
@@ -118,6 +118,11 @@ effect to your index in a row.
previous commit are dropped. To force the inclusion of those commits
use `--keep-redundant-commits`.
+--allow-empty-message::
+ By default, cherry-picking a commit with an empty message will fail.
+ This option overrides that behaviour, allowing commits with empty
+ messages to be cherry picked.
+
--keep-redundant-commits::
If a commit being cherry picked duplicates a commit already in the
current history, it will become empty. By default these
diff --git a/builtin/revert.c b/builtin/revert.c
index 82d1bf8..5652f23 100644
--- a/builtin/revert.c
+++ b/builtin/revert.c
@@ -117,6 +117,7 @@ static void parse_args(int argc, const char **argv, struct
replay_opts *opts)
OPT_END(),
OPT_END(),
OPT_END(),
+ OPT_END(),
};
if (opts-action == REPLAY_PICK) {
@@ -124,6 +125,7 @@ static void parse_args(int argc, const char **argv, struct
replay_opts *opts)
OPT_BOOLEAN('x', NULL, opts-record_origin, append
commit name),
OPT_BOOLEAN(0, ff, opts-allow_ff, allow
fast-forward),
OPT_BOOLEAN(0, allow-empty, opts-allow_empty,
preserve initially empty commits),
+ OPT_BOOLEAN(0, allow-empty-message,
opts-allow_empty_message, allow commits with empty messages),
OPT_BOOLEAN(0, keep-redundant-commits,
opts-keep_redundant_commits, keep redundant, empty commits),
OPT_END(),
};
diff --git a/sequencer.c b/sequencer.c
index bf078f2..1ea5293 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -311,6 +311,9 @@ static int run_git_commit(const char *defmsg, struct
replay_opts *opts,
if (allow_empty)
argv_array_push(array, --allow-empty);
+ if (opts-allow_empty_message)
+ argv_array_push(array, --allow-empty-message);
+
rc = run_command_v_opt(array.argv, RUN_GIT_CMD);
argv_array_clear(array);
return rc;
diff --git a/sequencer.h b/sequencer.h
index aa5f17c..d849420 100644
--- a/sequencer.h
+++ b/sequencer.h
@@ -30,6 +30,7 @@ struct replay_opts {
int allow_ff;
int allow_rerere_auto;
int allow_empty;
+ int allow_empty_message;
int keep_redundant_commits;
int mainline;
diff --git a/t/t3505-cherry-pick-empty.sh b/t/t3505-cherry-pick-empty.sh
index 5a1340c..a0c6e30 100755
--- a/t/t3505-cherry-pick-empty.sh
+++ b/t/t3505-cherry-pick-empty.sh
@@ -53,6 +53,11 @@ test_expect_success 'index lockfile was removed' '
'
+test_expect_success 'cherry-pick a commit with an empty message with
--allow-empty-message' '
+ git checkout -f master
+ git cherry-pick --allow-empty-message empty-branch
+'
+
test_expect_success 'cherry pick an empty non-ff commit without --allow-empty'
'
git checkout master
echo fourth file2
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