rebase am already has this flag to "lie" about the committer date
by changing it to the author date. Let's add the same for
interactive machinery.
Signed-off-by: Rohit Ashiwal <rohit.ashiwal...@gmail.com>
---
Documentation/git-rebase.txt | 10 ++--
builtin/rebase.c | 17 +++++--
sequencer.c | 61 ++++++++++++++++++++++++-
sequencer.h | 1 +
t/t3422-rebase-incompatible-options.sh | 1 -
t/t3433-rebase-options-compatibility.sh | 37 +++++++++++++++
6 files changed, 116 insertions(+), 11 deletions(-)
diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt
index 873eb5768c..e7c0eac18c 100644
--- a/Documentation/git-rebase.txt
+++ b/Documentation/git-rebase.txt
@@ -386,9 +386,13 @@ unchanged for the sake of a three-way merge.
See also INCOMPATIBLE OPTIONS below.
--committer-date-is-author-date::
+ Instead of recording the time the rebased commits are
+ created as the committer date, reuse the author date
+ as the committer date. This 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.
@@ -525,7 +529,6 @@ INCOMPATIBLE OPTIONS
The following options:
- * --committer-date-is-author-date
* --ignore-date
* --whitespace
* -C
@@ -551,6 +554,7 @@ In addition, the following pairs of options are
incompatible:
* --preserve-merges and --signoff
* --preserve-merges and --rebase-merges
* --preserve-merges and --ignore-whitespace
+ * --preserve-merges and --committer-date-is-author-date
* --rebase-merges and --ignore-whitespace
* --rebase-merges and --strategy
* --rebase-merges and --strategy-option
diff --git a/builtin/rebase.c b/builtin/rebase.c
index f8a618d54c..656bc7d7e9 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -82,6 +82,7 @@ struct rebase_options {
int ignore_whitespace;
char *gpg_sign_opt;
int autostash;
+ int committer_date_is_author_date;
char *cmd;
int allow_empty_message;
int rebase_merges, rebase_cousins;
@@ -114,6 +115,8 @@ static struct replay_opts get_replay_opts(const struct
rebase_options *opts)
replay.allow_empty_message = opts->allow_empty_message;
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;
@@ -976,6 +979,8 @@ static int run_am(struct rebase_options *opts)
if (opts->ignore_whitespace)
argv_array_push(&am.args, "--ignore-whitespace");
+ if (opts->committer_date_is_author_date)
+ argv_array_push(&opts->git_am_opts,
"--committer-date-is-author-date");
if (opts->action && !strcmp("continue", opts->action)) {
argv_array_push(&am.args, "--resolved");
argv_array_pushf(&am.args, "--resolvemsg=%s", resolvemsg);
@@ -1419,9 +1424,9 @@ 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"),
@@ -1692,10 +1697,12 @@ int cmd_rebase(int argc, const char **argv, const char
*prefix)
state_dir_base, cmd_live_rebase, buf.buf);
}
+ 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"))
options.flags |= REBASE_FORCE;
diff --git a/sequencer.c b/sequencer.c
index adeff2561e..fd925f2d72 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -147,6 +147,7 @@ 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")
@@ -879,6 +880,17 @@ static char *get_author(const char *message)
return NULL;
}
+/* Returns a "date" string that needs to be free()'d by the caller */
+static char *read_author_date_or_null(void)
+{
+ char *date;
+
+ if (read_author_script(rebase_path_author_script(),
+ NULL, NULL, &date, 0))
+ return NULL;
+ return date;
+}
+
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 +950,24 @@ static int run_git_commit(struct repository *r,
cmd.git_cmd = 1;
+ if (opts->committer_date_is_author_date) {
+ int res = -1;
+ struct strbuf datebuf = STRBUF_INIT;
+ char *date = read_author_date_or_null();
+
+ if (!date)
+ return -1;
+
+ strbuf_addf(&datebuf, "@%s", date);
+ res = setenv("GIT_COMMITTER_DATE", datebuf.buf, 1);
+
+ strbuf_release(&datebuf);
+ free(date);
+
+ if (res)
+ return -1;
+ }
+
if (is_rebase_i(opts) && read_env_script(&cmd.env_array)) {
const char *gpg_opt = gpg_sign_opt_quoted(opts);
@@ -1331,7 +1361,6 @@ static int try_to_commit(struct repository *r,
if (parse_head(r, ¤t_head))
return -1;
-
if (flags & AMEND_MSG) {
const char *exclude_gpgsig[] = { "gpgsig", NULL };
const char *out_enc = get_commit_output_encoding();
@@ -1359,6 +1388,26 @@ static int try_to_commit(struct repository *r,
commit_list_insert(current_head, &parents);
}
+ if (opts->committer_date_is_author_date) {
+ int len = strlen(author);
+ struct ident_split ident;
+ struct strbuf date = STRBUF_INIT;
+
+ if (split_ident_line(&ident, author, len) < 0)
+ return error(_("malformed ident line"));
+ if (!ident.date_begin)
+ return error(_("corrupted author without date
information"));
+
+ strbuf_addf(&date, "@%.*s %.*s",
+ (int)(ident.date_end - ident.date_begin),
ident.date_begin,
+ (int)(ident.tz_end - ident.tz_begin),
ident.tz_begin);
+ res = setenv("GIT_COMMITTER_DATE", date.buf, 1);
+ strbuf_release(&date);
+
+ if (res)
+ goto out;
+ }
+
if (write_index_as_tree(&tree, r->index, r->index_file, 0, NULL)) {
res = error(_("git write-tree failed to write a tree"));
goto out;
@@ -2473,6 +2522,11 @@ 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;
@@ -2555,6 +2609,8 @@ int write_basic_state(struct replay_opts *opts, const
char *head_name,
write_file(rebase_path_gpg_sign_opt(), "-S%s\n",
opts->gpg_sign);
if (opts->signoff)
write_file(rebase_path_signoff(), "--signoff\n");
+ 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", "");
@@ -3752,7 +3808,8 @@ 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;
diff --git a/sequencer.h b/sequencer.h
index 6704acbb9c..e3881e9275 100644
--- a/sequencer.h
+++ b/sequencer.h
@@ -43,6 +43,7 @@ struct replay_opts {
int verbose;
int quiet;
int reschedule_failed_exec;
+ int committer_date_is_author_date;
int mainline;
diff --git a/t/t3422-rebase-incompatible-options.sh
b/t/t3422-rebase-incompatible-options.sh
index 4342f79eea..7402f7e3da 100755
--- a/t/t3422-rebase-incompatible-options.sh
+++ b/t/t3422-rebase-incompatible-options.sh
@@ -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' '
diff --git a/t/t3433-rebase-options-compatibility.sh
b/t/t3433-rebase-options-compatibility.sh
index 2e16e00a9d..6c1fbab4d8 100755
--- a/t/t3433-rebase-options-compatibility.sh
+++ b/t/t3433-rebase-options-compatibility.sh
@@ -7,6 +7,9 @@ test_description='tests to ensure compatibility between am and
interactive backe
. ./test-lib.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.
@@ -26,8 +29,13 @@ test_expect_success 'setup' '
EOF
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 &&
+ git rm --cached foo &&
+ rm foo &&
sed -e "s/^|//" >file <<-\EOF &&
|line 1
| line 2
@@ -62,4 +70,33 @@ test_expect_success '--ignore-whitespace works with
interactive backend' '
test_cmp expect file
'
+test_expect_success '--committer-date-is-author-date works with am backend' '
+ git commit --amend &&
+ git rebase --committer-date-is-author-date HEAD^ &&
+ git show HEAD --pretty="format:%ai" >authortime &&
+ git show HEAD --pretty="format:%ci" >committertime &&
+ test_cmp authortime committertime
+'
+
+test_expect_success '--committer-date-is-author-date works with interactive
backend' '
+ git commit --amend &&
+ git rebase -i --committer-date-is-author-date HEAD^ &&
+ git show HEAD --pretty="format:%ai" >authortime &&
+ git show HEAD --pretty="format:%ci" >committertime &&
+ test_cmp authortime committertime
+'
+
+test_expect_success '--committer-date-is-author-date works with rebase -r' '
+ git checkout side &&
+ git merge commit3 &&
+ git rebase -r --root --committer-date-is-author-date &&
+ git rev-list HEAD >rev_list &&
+ while read HASH
+ do
+ git show $HASH --pretty="format:%ai" >authortime
+ git show $HASH --pretty="format:%ci" >committertime
+ test_cmp authortime committertime
+ done <rev_list
+'
+
test_done
--
2.21.0
