@@ -445,9 +445,13 @@ if the other side had no changes that conflicted.
See also INCOMPATIBLE OPTIONS below.
--committer-date-is-author-date::
+ Instead of using the current time as the committer date, use
+ the author date of the commit being rebased as the committer
+ date. This option implies `--force-rebase`.
+
--ignore-date::
- These flags are passed to 'git am' to easily change the dates
- of the rebased commits (see linkgit:git-am[1]).
+ This flag is passed to 'git am' to change the author date
+ of each rebased commit (see linkgit:git-am[1]).
+
See also INCOMPATIBLE OPTIONS below.
@@ -585,7 +589,6 @@ INCOMPATIBLE OPTIONS
The following options:
* --apply
- * --committer-date-is-author-date
* --ignore-date
* --whitespace
* -C
@@ -613,6 +616,7 @@ In addition, the following pairs of options are incompatible:
* --preserve-merges and --rebase-merges
* --preserve-merges and --empty=
* --preserve-merges and --ignore-whitespace
+ * --preserve-merges and --committer-date-is-author-date
* --keep-base and --onto
* --keep-base and --root
@@ -88,6 +88,7 @@ struct rebase_options {
int autosquash;
char *gpg_sign_opt;
int autostash;
+ int committer_date_is_author_date;
char *cmd;
int allow_empty_message;
int rebase_merges, rebase_cousins;
@@ -124,6 +125,8 @@ static struct replay_opts get_replay_opts(const struct rebase_options *opts)
replay.quiet = !(opts->flags & REBASE_NO_QUIET);
replay.verbose = opts->flags & REBASE_VERBOSE;
replay.reschedule_failed_exec = opts->reschedule_failed_exec;
+ replay.committer_date_is_author_date =
+ opts->committer_date_is_author_date;
replay.gpg_sign = xstrdup_or_null(opts->gpg_sign_opt);
replay.strategy = opts->strategy;
@@ -1497,9 +1500,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
PARSE_OPT_NOARG, NULL, REBASE_DIFFSTAT },
OPT_BOOL(0, "signoff", &options.signoff,
N_("add a Signed-off-by: line to each commit")),
- OPT_PASSTHRU_ARGV(0, "committer-date-is-author-date",
- &options.git_am_opts, NULL,
- N_("passed to 'git am'"), PARSE_OPT_NOARG),
+ OPT_BOOL(0, "committer-date-is-author-date",
+ &options.committer_date_is_author_date,
+ N_("make committer date match author date")),
OPT_PASSTHRU_ARGV(0, "ignore-date", &options.git_am_opts, NULL,
N_("passed to 'git am'"), PARSE_OPT_NOARG),
OPT_PASSTHRU_ARGV('C', NULL, &options.git_am_opts, N_("n"),
@@ -1794,11 +1797,12 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
options.autosquash) {
allow_preemptive_ff = 0;
}
+ if (options.committer_date_is_author_date)
+ options.flags |= REBASE_FORCE;
for (i = 0; i < options.git_am_opts.argc; i++) {
const char *option = options.git_am_opts.argv[i], *p;
- if (!strcmp(option, "--committer-date-is-author-date") ||
- !strcmp(option, "--ignore-date") ||
+ if (!strcmp(option, "--ignore-date") ||
!strcmp(option, "--whitespace=fix") ||
!strcmp(option, "--whitespace=strip"))
allow_preemptive_ff = 0;
@@ -1855,6 +1859,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
if (ignore_whitespace)
argv_array_push(&options.git_am_opts,
"--ignore-whitespace");
+ if (options.committer_date_is_author_date)
+ argv_array_push(&options.git_am_opts,
+ "--committer-date-is-author-date");
} else {
/* REBASE_MERGE and PRESERVE_MERGES */
if (ignore_whitespace) {
@@ -149,6 +149,7 @@ static GIT_PATH_FUNC(rebase_path_refs_to_delete, "rebase-merge/refs-to-delete")
* command-line.
*/
static GIT_PATH_FUNC(rebase_path_gpg_sign_opt, "rebase-merge/gpg_sign_opt")
+static GIT_PATH_FUNC(rebase_path_cdate_is_adate, "rebase-merge/cdate_is_adate")
static GIT_PATH_FUNC(rebase_path_orig_head, "rebase-merge/orig-head")
static GIT_PATH_FUNC(rebase_path_verbose, "rebase-merge/verbose")
static GIT_PATH_FUNC(rebase_path_quiet, "rebase-merge/quiet")
@@ -302,6 +303,8 @@ int sequencer_remove_state(struct replay_opts *opts)
}
}
+ free(opts->committer_name);
+ free(opts->committer_email);
free(opts->gpg_sign);
free(opts->strategy);
for (i = 0; i < opts->xopts_nr; i++)
@@ -872,6 +875,22 @@ static char *get_author(const char *message)
return NULL;
}
+static const char *author_date_from_env_array(const struct argv_array *env)
+{
+ int i;
+ const char *date;
+
+ for (i = 0; i < env->argc; i++)
+ if (skip_prefix(env->argv[i],
+ "GIT_AUTHOR_DATE=", &date))
+ return date;
+ /*
+ * If GIT_AUTHOR_DATE is missing we should have already errored out when
+ * reading the script
+ */
+ BUG("GIT_AUTHOR_DATE missing from author script");
+}
+
static const char staged_changes_advice[] =
N_("you have staged changes in your working tree\n"
"If these changes are meant to be squashed into the previous commit, run:\n"
@@ -938,6 +957,10 @@ static int run_git_commit(struct repository *r,
gpg_opt, gpg_opt);
}
+ if (opts->committer_date_is_author_date)
+ argv_array_pushf(&cmd.env_array, "GIT_COMMITTER_DATE=%s",
+ author_date_from_env_array(&cmd.env_array));
+
argv_array_push(&cmd.args, "commit");
if (!(flags & VERIFY_MSG))
@@ -1315,6 +1338,7 @@ static int try_to_commit(struct repository *r,
struct strbuf err = STRBUF_INIT;
struct strbuf commit_msg = STRBUF_INIT;
char *amend_author = NULL;
+ const char *committer = NULL;
const char *hook_commit = NULL;
enum commit_msg_cleanup_mode cleanup;
int res = 0;
@@ -1406,10 +1430,32 @@ static int try_to_commit(struct repository *r,
goto out;
}
- reset_ident_date();
+ if (opts->committer_date_is_author_date) {
+ struct ident_split id;
+ struct strbuf date = STRBUF_INIT;
+
+ if (split_ident_line(&id, author, (int)strlen(author)) < 0) {
+ res = error(_("invalid author identity '%s'"), author);
+ goto out;
+ }
+ if (!id.date_begin) {
+ res = error(_("corrupt author: missing date information"));
+ goto out;
+ }
+ strbuf_addf(&date, "@%.*s %.*s",
+ (int)(id.date_end - id.date_begin), id.date_begin,
+ (int)(id.tz_end - id.tz_begin), id.tz_begin);
+ committer = fmt_ident(opts->committer_name,
+ opts->committer_email,
+ WANT_COMMITTER_IDENT, date.buf,
+ IDENT_STRICT);
+ strbuf_release(&date);
+ } else {
+ reset_ident_date();
+ }
if (commit_tree_extended(msg->buf, msg->len, &tree, parents, oid,
- author, NULL, opts->gpg_sign, extra)) {
+ author, committer, opts->gpg_sign, extra)) {
res = error(_("failed to write commit object"));
goto out;
}
@@ -2532,6 +2578,11 @@ static int read_populate_opts(struct replay_opts *opts)
opts->signoff = 1;
}
+ if (file_exists(rebase_path_cdate_is_adate())) {
+ opts->allow_ff = 0;
+ opts->committer_date_is_author_date = 1;
+ }
+
if (file_exists(rebase_path_reschedule_failed_exec()))
opts->reschedule_failed_exec = 1;
@@ -2622,6 +2673,8 @@ int write_basic_state(struct replay_opts *opts, const char *head_name,
write_file(rebase_path_drop_redundant_commits(), "%s", "");
if (opts->keep_redundant_commits)
write_file(rebase_path_keep_redundant_commits(), "%s", "");
+ if (opts->committer_date_is_author_date)
+ write_file(rebase_path_cdate_is_adate(), "%s", "");
if (opts->reschedule_failed_exec)
write_file(rebase_path_reschedule_failed_exec(), "%s", "");
@@ -3542,6 +3595,10 @@ static int do_merge(struct repository *r,
goto leave_merge;
}
+ if (opts->committer_date_is_author_date)
+ argv_array_pushf(&cmd.env_array, "GIT_COMMITTER_DATE=%s",
+ author_date_from_env_array(&cmd.env_array));
+
cmd.git_cmd = 1;
argv_array_push(&cmd.args, "merge");
argv_array_push(&cmd.args, "-s");
@@ -3819,7 +3876,8 @@ static int pick_commits(struct repository *r,
setenv(GIT_REFLOG_ACTION, action_name(opts), 0);
if (opts->allow_ff)
assert(!(opts->signoff || opts->no_commit ||
- opts->record_origin || opts->edit));
+ opts->record_origin || opts->edit ||
+ opts->committer_date_is_author_date));
if (read_and_refresh_cache(r, opts))
return -1;
@@ -4258,6 +4316,22 @@ static int commit_staged_changes(struct repository *r,
return 0;
}
+static int init_committer(struct replay_opts *opts)
+{
+ struct ident_split id;
+ const char *committer;
+
+ committer = git_committer_info(IDENT_STRICT);
+ if (split_ident_line(&id, committer, strlen(committer)) < 0)
+ return error(_("invalid committer '%s'"), committer);
+ opts->committer_name =
+ xmemdupz(id.name_begin, id.name_end - id.name_begin);
+ opts->committer_email =
+ xmemdupz(id.mail_begin, id.mail_end - id.mail_end);
+
+ return 0;
+}
+
int sequencer_continue(struct repository *r, struct replay_opts *opts)
{
struct todo_list todo_list = TODO_LIST_INIT;
@@ -4269,6 +4343,9 @@ int sequencer_continue(struct repository *r, struct replay_opts *opts)
if (read_populate_opts(opts))
return -1;
if (is_rebase_i(opts)) {
+ if (opts->committer_date_is_author_date && init_committer(opts))
+ return -1;
+
if ((res = read_populate_todo(r, &todo_list, opts)))
goto release_todo_list;
@@ -5145,6 +5222,9 @@ int complete_action(struct repository *r, struct replay_opts *opts, unsigned fla
res = -1;
+ if (opts->committer_date_is_author_date && init_committer(opts))
+ goto cleanup;
+
if (checkout_onto(r, opts, onto_name, &oid, orig_head))
goto cleanup;
@@ -45,9 +45,12 @@ struct replay_opts {
int verbose;
int quiet;
int reschedule_failed_exec;
+ int committer_date_is_author_date;
int mainline;
+ char *committer_name;
+ char *committer_email;
char *gpg_sign;
enum commit_msg_cleanup_mode default_msg_cleanup;
int explicit_cleanup;
@@ -61,7 +61,6 @@ test_rebase_am_only () {
}
test_rebase_am_only --whitespace=fix
-test_rebase_am_only --committer-date-is-author-date
test_rebase_am_only -C4
test_expect_success REBASE_P '--preserve-merges incompatible with --signoff' '
@@ -9,6 +9,9 @@ test_description='tests to ensure compatibility between am and interactive backe
. "$TEST_DIRECTORY"/lib-rebase.sh
+GIT_AUTHOR_DATE="1999-04-02T08:03:20+05:30"
+export GIT_AUTHOR_DATE
+
# This is a special case in which both am and interactive backends
# provide the same output. It was done intentionally because
# both the backends fall short of optimal behaviour.
@@ -21,11 +24,20 @@ test_expect_success 'setup' '
test_write_lines "line 1" "new line 2" "line 3" >file &&
git commit -am "update file" &&
git tag side &&
+ test_commit commit1 foo foo1 &&
+ test_commit commit2 foo foo2 &&
+ test_commit commit3 foo foo3 &&
git checkout --orphan master &&
+ rm foo &&
test_write_lines "line 1" " line 2" "line 3" >file &&
git commit -am "add file" &&
- git tag main
+ git tag main &&
+
+ mkdir test-bin &&
+ write_script test-bin/git-merge-test <<-\EOF
+ exec git-merge-recursive "$@"
+ EOF
'
test_expect_success '--ignore-whitespace works with apply backend' '
@@ -52,6 +64,50 @@ test_expect_success '--ignore-whitespace is remembered when continuing' '
git diff --exit-code side
'
+test_ctime_is_atime () {
+ git log $1 --format=%ai >authortime &&
+ git log $1 --format=%ci >committertime &&
+ test_cmp authortime committertime
+}
+
+test_expect_success '--committer-date-is-author-date works with apply backend' '
+ GIT_AUTHOR_DATE="@1234 +0300" git commit --amend --reset-author &&
+ git rebase --apply --committer-date-is-author-date HEAD^ &&
+ test_ctime_is_atime -1
+'
+
+test_expect_success '--committer-date-is-author-date works with merge backend' '
+ GIT_AUTHOR_DATE="@1234 +0300" git commit --amend --reset-author &&
+ git rebase -m --committer-date-is-author-date HEAD^ &&
+ test_ctime_is_atime -1
+'
+
+test_expect_success '--committer-date-is-author-date works with rebase -r' '
+ git checkout side &&
+ GIT_AUTHOR_DATE="@1234 +0300" git merge --no-ff commit3 &&
+ git rebase -r --root --committer-date-is-author-date &&
+ test_ctime_is_atime
+'
+
+test_expect_success '--committer-date-is-author-date works when forking merge' '
+ git checkout side &&
+ GIT_AUTHOR_DATE="@1234 +0300" git merge --no-ff commit3 &&
+ PATH="./test-bin:$PATH" git rebase -r --root --strategy=test \
+ --committer-date-is-author-date &&
+ test_ctime_is_atime
+'
+
+test_expect_success '--committer-date-is-author-date works when committing conflict resolution' '
+ git checkout commit2 &&
+ GIT_AUTHOR_DATE="@1980 +0000" git commit --amend --only --reset-author &&
+ test_must_fail git rebase -m --committer-date-is-author-date \
+ --onto HEAD^^ HEAD^ &&
+ echo resolved > foo &&
+ git add foo &&
+ git rebase --continue &&
+ test_ctime_is_atime -1
+'
+
# This must be the last test in this file
test_expect_success '$EDITOR and friends are unchanged' '
test_editor_unchanged