`git commit --fixup=reword:<commit>` creates an empty "amend!" commit that will reword <commit> without changing its contents when it is rebased with --autosquash. Apart from ignoring staged changes it works similarly to `--fixup=amend:<commit>`. Example usage: $ git commit --fixup=reword:HEAD~3 $ git commit --fixup=reword:HEAD~3 -m "new commit message" Mentored-by: Christian Couder <chriscool@xxxxxxxxxxxxx> Mentored-by: Phillip Wood <phillip.wood@xxxxxxxxxxxxx> Signed-off-by: Charvi Mendiratta <charvi077@xxxxxxxxx> --- builtin/commit.c | 33 +++++++++++++++++++++++++++------ 1 file changed, 27 insertions(+), 6 deletions(-) diff --git a/builtin/commit.c b/builtin/commit.c index f2c5ad2e62..b5293f46d2 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -1171,6 +1171,21 @@ static void finalize_deferred_config(struct wt_status *s) s->ahead_behind_flags = AHEAD_BEHIND_FULL; } +static void check_fixup_reword_options(void) { + if (whence != FROM_COMMIT) { + if (whence == FROM_MERGE) + die(_("You are in the middle of a merge -- cannot reword.")); + else if (is_from_cherry_pick(whence)) + die(_("You are in the middle of a cherry-pick -- cannot reword.")); + } + if (all) + die(_("cannot combine reword option of --fixup with --all")); + if (also) + die(_("cannot combine reword option of --fixup with --include")); + if (only) + die(_("cannot combine reword option of --fixup with --only")); +} + static int parse_and_validate_options(int argc, const char *argv[], const struct option *options, const char * const usage[], @@ -1256,11 +1271,17 @@ static int parse_and_validate_options(int argc, const char *argv[], if (fixup_commit && *fixup_commit == ':' && fixup_commit != fixup_message) { *fixup_commit = '\0'; - if (starts_with("amend", fixup_message)) { + if (starts_with("amend", fixup_message) || + starts_with("reword", fixup_message)) { fixup_prefix = "amend"; fixup_commit++; + if (*fixup_message == 'r') { + check_fixup_reword_options(); + allow_empty = 1; + only = 1; + } } else { - die(_("only amend option can be used with --fixup")); + die(_("only `amend` or `reword` options can be used with --fixup")); } } else { fixup_commit = fixup_message; @@ -1547,11 +1568,11 @@ int cmd_commit(int argc, const char **argv, const char *prefix) OPT_STRING('c', "reedit-message", &edit_message, N_("commit"), N_("reuse and edit message from specified commit")), OPT_STRING('C', "reuse-message", &use_message, N_("commit"), N_("reuse message from specified commit")), /* - * TRANSLATORS: please do not translate [amend:] - * Here "amend" is an option to the --fixup command - * line flag, that creates amend! commit. + * TRANSLATORS: please do not translate [(amend|reword):] + * Here "amend" and "reword" are options to the --fixup + * command line flag, that creates amend! commit. */ - OPT_STRING(0, "fixup", &fixup_message, N_("[amend:]commit"), N_("use autosquash formatted message to fixup or amend specified commit")), + OPT_STRING(0, "fixup", &fixup_message, N_("[(amend|reword):]commit"), N_("use autosquash formatted message to fixup or amend/reword specified commit")), OPT_STRING(0, "squash", &squash_message, N_("commit"), N_("use autosquash formatted message to squash specified commit")), OPT_BOOL(0, "reset-author", &renew_authorship, N_("the commit is authored by me now (used with -C/-c/--amend)")), OPT_BOOL('s', "signoff", &signoff, N_("add a Signed-off-by trailer")), -- 2.29.0.rc1