From: Phillip Wood <phillip.wood@xxxxxxxxxxxxx>
As part of the on-going effort to retire the apply rebase backend
teach the merge backend how to handle --ignore-date. We take care to
handle the combination of --ignore-date and
--committer-date-is-author-date in the same way as the apply backend.
Original-patch-by: Rohit Ashiwal <rohit.ashiwal265@xxxxxxxxx>
Signed-off-by: Phillip Wood <phillip.wood@xxxxxxxxxxxxx>
---
Documentation/git-rebase.txt | 7 +++--
builtin/rebase.c | 13 +++++---
sequencer.c | 50 +++++++++++++++++++++++++++--
sequencer.h | 1 +
t/t3436-rebase-more-options.sh | 57 ++++++++++++++++++++++++++++++++++
5 files changed, 118 insertions(+), 10 deletions(-)
diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt
index dfa70263e6..e2717e20e6 100644
--- a/Documentation/git-rebase.txt
+++ b/Documentation/git-rebase.txt
@@ -450,8 +450,9 @@ See also INCOMPATIBLE OPTIONS below.
date. This option implies --force-rebase.
--ignore-date::
- This flag is passed to 'git am' to change the author date
- of each rebased commit (see linkgit:git-am[1]).
+ Instead of using the author date of the original commit, use
+ the current time as the author date of the rebased commit. This
+ option implies `--force-rebase`.
+
See also INCOMPATIBLE OPTIONS below.
@@ -589,7 +590,6 @@ INCOMPATIBLE OPTIONS
The following options:
* --apply
- * --ignore-date
* --whitespace
* -C
@@ -617,6 +617,7 @@ In addition, the following pairs of options are incompatible:
* --preserve-merges and --empty=
* --preserve-merges and --ignore-whitespace
* --preserve-merges and --committer-date-is-author-date
+ * --preserve-merges and --ignore-date
* --keep-base and --onto
* --keep-base and --root
diff --git a/builtin/rebase.c b/builtin/rebase.c
index 357cd6acf3..cf86240bc8 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -90,6 +90,7 @@ struct rebase_options {
char *gpg_sign_opt;
int autostash;
int committer_date_is_author_date;
+ int ignore_date;
char *cmd;
int allow_empty_message;
int rebase_merges, rebase_cousins;
@@ -129,6 +130,7 @@ static struct replay_opts get_replay_opts(const struct rebase_options *opts)
replay.reschedule_failed_exec = opts->reschedule_failed_exec;
replay.committer_date_is_author_date =
opts->committer_date_is_author_date;
+ replay.ignore_date = opts->ignore_date;
replay.gpg_sign = xstrdup_or_null(opts->gpg_sign_opt);
replay.strategy = opts->strategy;
@@ -1008,6 +1010,8 @@ static int run_am(struct rebase_options *opts)
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->ignore_date)
+ argv_array_push(&opts->git_am_opts, "--ignore-date");
if (opts->action && !strcmp("continue", opts->action)) {
argv_array_push(&am.args, "--resolved");
argv_array_pushf(&am.args, "--resolvemsg=%s", resolvemsg);
@@ -1515,8 +1519,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
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_BOOL(0, "ignore-date", &options.ignore_date,
+ "ignore author date and use current date"),
OPT_PASSTHRU_ARGV('C', NULL, &options.git_am_opts, N_("n"),
N_("passed to 'git apply'"), 0),
OPT_BOOL(0, "ignore-whitespace", &options.ignore_whitespace,
@@ -1809,13 +1813,12 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
options.autosquash) {
allow_preemptive_ff = 0;
}
- if (options.committer_date_is_author_date)
+ if (options.committer_date_is_author_date || options.ignore_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, "--ignore-date") ||
- !strcmp(option, "--whitespace=fix") ||
+ if (!strcmp(option, "--whitespace=fix") ||
!strcmp(option, "--whitespace=strip"))
allow_preemptive_ff = 0;
else if (skip_prefix(option, "-C", &p)) {
diff --git a/sequencer.c b/sequencer.c
index 44e0b45e53..a21364c3be 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -150,6 +150,7 @@ static GIT_PATH_FUNC(rebase_path_refs_to_delete, "rebase-merge/refs-to-delete")
*/
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_ignore_date, "rebase-merge/ignore_date")
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")
@@ -889,6 +890,24 @@ static const char *author_date_from_env_array(const struct argv_array *env)
BUG("GIT_AUTHOR_DATE missing from author script");
}
+/* Construct a free()able author string with current time as the author date */
+static char *ignore_author_date(const char *author)
+{
+ int len = strlen(author);
+ struct ident_split ident;
+ struct strbuf new_author = STRBUF_INIT;
+
+ if (split_ident_line(&ident, author, len) < 0) {
+ error(_("malformed ident line '%s'"), author);
+ return NULL;
+ }
+
+ len = ident.mail_end - ident.name_begin + 1;
+ strbuf_addf(&new_author, "%.*s ", len, ident.name_begin);
+ datestamp(&new_author);
+ return strbuf_detach(&new_author, NULL);
+}
+
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"
@@ -957,7 +976,11 @@ static int run_git_commit(struct repository *r,
if (opts->committer_date_is_author_date)
argv_array_pushf(&cmd.env_array, "GIT_COMMITTER_DATE=%s",
+ opts->ignore_date ?
+ "" :
author_date_from_env_array(&cmd.env_array));
+ if (opts->ignore_date)
+ argv_array_push(&cmd.env_array, "GIT_AUTHOR_DATE=");
argv_array_push(&cmd.args, "commit");
@@ -1387,7 +1410,8 @@ static int try_to_commit(struct repository *r,
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);
+ res = setenv("GIT_COMMITTER_DATE",
+ opts->ignore_date ? "" : date.buf, 1);
strbuf_release(&date);
if (res)
@@ -1453,6 +1477,16 @@ static int try_to_commit(struct repository *r,
reset_ident_date();
+ if (opts->ignore_date) {
+ author = ignore_author_date(author);
+ if (!author) {
+ res = -1;
+ goto out;
+ }
+ free(author_to_free);
+ author_to_free = (char *)author;
+ }
+
if (commit_tree_extended(msg->buf, msg->len, &tree, parents,
oid, author, opts->gpg_sign, extra)) {
res = error(_("failed to write commit object"));
@@ -2582,6 +2616,11 @@ static int read_populate_opts(struct replay_opts *opts)
opts->committer_date_is_author_date = 1;
}
+ if (file_exists(rebase_path_ignore_date())) {
+ opts->allow_ff = 0;
+ opts->ignore_date = 1;
+ }
+
if (file_exists(rebase_path_reschedule_failed_exec()))
opts->reschedule_failed_exec = 1;
@@ -2674,6 +2713,8 @@ int write_basic_state(struct replay_opts *opts, const char *head_name,
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->ignore_date)
+ write_file(rebase_path_ignore_date(), "%s", "");
if (opts->reschedule_failed_exec)
write_file(rebase_path_reschedule_failed_exec(), "%s", "");
@@ -3596,7 +3637,11 @@ static int do_merge(struct repository *r,
if (opts->committer_date_is_author_date)
argv_array_pushf(&cmd.env_array, "GIT_COMMITTER_DATE=%s",
+ opts->ignore_date ?
+ "" :
author_date_from_env_array(&cmd.env_array));
+ if (opts->ignore_date)
+ argv_array_push(&cmd.env_array, "GIT_AUTHOR_DATE=");
cmd.git_cmd = 1;
argv_array_push(&cmd.args, "merge");
@@ -3876,7 +3921,8 @@ static int pick_commits(struct repository *r,
if (opts->allow_ff)
assert(!(opts->signoff || opts->no_commit ||
opts->record_origin || opts->edit ||
- opts->committer_date_is_author_date));
+ opts->committer_date_is_author_date ||
+ opts->ignore_date));
if (read_and_refresh_cache(r, opts))
return -1;
diff --git a/sequencer.h b/sequencer.h
index 4ab94119ae..3587878e3b 100644
--- a/sequencer.h
+++ b/sequencer.h
@@ -46,6 +46,7 @@ struct replay_opts {
int quiet;
int reschedule_failed_exec;
int committer_date_is_author_date;
+ int ignore_date;
int mainline;
diff --git a/t/t3436-rebase-more-options.sh b/t/t3436-rebase-more-options.sh
index 7e68fb9753..a3f9d5b41a 100755
--- a/t/t3436-rebase-more-options.sh
+++ b/t/t3436-rebase-more-options.sh
@@ -134,6 +134,63 @@ test_expect_success '--committer-date-is-author-date works when committing confl
test_cmp expect actual
'
+# Checking for +0000 in author time is enough since default
+# timezone is UTC, but the timezone used while committing
+# sets to +0530.
+test_expect_success '--ignore-date works with apply backend' '
+ git commit --amend --date="$GIT_AUTHOR_DATE" &&
+ git rebase --apply --ignore-date HEAD^ &&
+ git log -1 --pretty=%ai >authortime &&
+ grep "+0000" authortime
+'
+
+test_expect_success '--ignore-date works with merge backend' '
+ git commit --amend --date="$GIT_AUTHOR_DATE" &&
+ git rebase --ignore-date -m HEAD^ &&
+ git log -1 --pretty=%ai >authortime &&
+ grep "+0000" authortime
+'
+
+test_expect_success '--ignore-date works after conflict resolution' '
+ test_must_fail git rebase --ignore-date -m \
+ --onto commit2^^ commit2^ commit2 &&
+ echo resolved >foo &&
+ git add foo &&
+ git rebase --continue &&
+ git log -1 --pretty=%ai >authortime &&
+ grep +0000 authortime
+'
+
+test_expect_success '--ignore-date works with rebase -r' '
+ git checkout side &&
+ git merge --no-ff commit3 &&
+ git rebase -r --root --ignore-date &&
+ git log --pretty=%ai >authortime &&
+ ! grep -v "+0000" authortime
+'
+
+test_expect_success '--ignore-date with --committer-date-is-author-date works' '
+ test_must_fail git rebase -m --committer-date-is-author-date \
+ --ignore-date --onto commit2^^ commit2^ commit3 &&
+ git checkout --theirs foo &&
+ git add foo &&
+ git rebase --continue &&
+ git log -2 --pretty=%ai >authortime &&
+ git log -2 --pretty=%ci >committertime &&
+ test_cmp authortime committertime &&
+ ! grep -v "+0000" authortime
+'
+
+test_expect_success '--ignore-date --committer-date-is-author-date works when forking merge' '
+ GIT_SEQUENCE_EDITOR="echo \"merge -C $(git rev-parse HEAD) commit3\">" \
+ git rebase -i --strategy=resolve --ignore-date \
+ --committer-date-is-author-date side side &&
+ git log -1 --pretty=%ai >authortime &&
+ git log -1 --pretty=%ci >committertime &&
+ test_cmp authortime committertime &&
+ grep "+0000" authortime
+ '
+
# This must be the last test in this file
test_expect_success '$EDITOR and friends are unchanged' '
test_editor_unchanged
--
2.26.2
