rebase am already has this flag to "lie" about the author date by changing it to the committer (current) date. Let's add the same for interactive machinery. Signed-off-by: Rohit Ashiwal <rohit.ashiwal265@xxxxxxxxx> --- Documentation/git-rebase.txt | 6 +-- builtin/rebase.c | 14 +++--- sequencer.c | 60 +++++++++++++++++++++++-- sequencer.h | 1 + t/t3433-rebase-options-compatibility.sh | 29 ++++++++++++ 5 files changed, 99 insertions(+), 11 deletions(-) diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt index e948a24433..3580447f2f 100644 --- a/Documentation/git-rebase.txt +++ b/Documentation/git-rebase.txt @@ -413,8 +413,8 @@ See also INCOMPATIBLE OPTIONS below. as the committer date. This 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 given author date, reset it to the + current time. This implies --force-rebase. + See also INCOMPATIBLE OPTIONS below. @@ -551,7 +551,6 @@ INCOMPATIBLE OPTIONS The following options: - * --ignore-date * --whitespace * -C @@ -577,6 +576,7 @@ In addition, the following pairs of options are incompatible: * --preserve-merges and --rebase-merges * --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 9227801ef6..7edae668f8 100644 --- a/builtin/rebase.c +++ b/builtin/rebase.c @@ -83,6 +83,7 @@ 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; @@ -117,6 +118,7 @@ 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; @@ -982,6 +984,8 @@ 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); @@ -1451,8 +1455,8 @@ 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, @@ -1728,13 +1732,13 @@ 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) + 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")) options.flags |= REBASE_FORCE; else if (skip_prefix(option, "-C", &p)) { diff --git a/sequencer.c b/sequencer.c index 34e45246f7..a4c6a47bea 100644 --- a/sequencer.c +++ b/sequencer.c @@ -148,6 +148,7 @@ 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") @@ -890,6 +891,36 @@ static char *read_author_date_or_null(void) return date; } +/* 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")); + 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 void push_dates(struct child_process *child, int change_committer_date) +{ + time_t now = time(NULL); + struct strbuf date = STRBUF_INIT; + + strbuf_addf(&date, "@%"PRIuMAX, (uintmax_t)now); + argv_array_pushf(&child->env_array, "GIT_AUTHOR_DATE=%s", date.buf); + if (change_committer_date) + argv_array_pushf(&child->env_array, "GIT_COMMITTER_DATE=%s", date.buf); + strbuf_release(&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" @@ -958,7 +989,8 @@ static int run_git_commit(struct repository *r, return -1; strbuf_addf(&datebuf, "@%s", date); - res = setenv("GIT_COMMITTER_DATE", datebuf.buf, 1); + res = setenv("GIT_COMMITTER_DATE", + opts->ignore_date ? "" : datebuf.buf, 1); strbuf_release(&datebuf); free(date); @@ -982,6 +1014,8 @@ static int run_git_commit(struct repository *r, argv_array_push(&cmd.args, "--amend"); if (opts->gpg_sign) argv_array_pushf(&cmd.args, "-S%s", opts->gpg_sign); + if (opts->ignore_date) + push_dates(&cmd, opts->committer_date_is_author_date); if (defmsg) argv_array_pushl(&cmd.args, "-F", defmsg, NULL); else if (!(flags & EDIT_MSG)) @@ -1404,7 +1438,8 @@ 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) @@ -1454,6 +1489,15 @@ 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")); @@ -2538,6 +2582,11 @@ 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; @@ -2622,6 +2671,8 @@ int write_basic_state(struct replay_opts *opts, const char *head_name, write_file(rebase_path_signoff(), "--signoff\n"); 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", ""); @@ -3557,6 +3608,8 @@ static int do_merge(struct repository *r, argv_array_push(&cmd.args, git_path_merge_msg(r)); if (opts->gpg_sign) argv_array_push(&cmd.args, opts->gpg_sign); + if (opts->ignore_date) + push_dates(&cmd, opts->committer_date_is_author_date); /* Add the tips to be merged */ for (j = to_merge; j; j = j->next) @@ -3830,7 +3883,8 @@ 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 ffddf011cc..3e6275272a 100644 --- a/sequencer.h +++ b/sequencer.h @@ -44,6 +44,7 @@ struct replay_opts { int quiet; int reschedule_failed_exec; int committer_date_is_author_date; + int ignore_date; int mainline; diff --git a/t/t3433-rebase-options-compatibility.sh b/t/t3433-rebase-options-compatibility.sh index a98cfe18b7..5166f158dd 100755 --- a/t/t3433-rebase-options-compatibility.sh +++ b/t/t3433-rebase-options-compatibility.sh @@ -99,4 +99,33 @@ test_expect_success '--committer-date-is-author-date works with rebase -r' ' done <rev_list ' +# 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 am backend' ' + git commit --amend --date="$GIT_AUTHOR_DATE" && + git rebase --ignore-date HEAD^ && + git show HEAD --pretty="format:%ai" >authortime && + grep "+0000" authortime +' + +test_expect_success '--ignore-date works with interactive backend' ' + git commit --amend --date="$GIT_AUTHOR_DATE" && + git rebase --ignore-date -i HEAD^ && + git show HEAD --pretty="format:%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 rev-list HEAD >rev_list && + while read HASH + do + git show $HASH --pretty="format:%ai" >authortime + grep "+0000" authortime + done <rev_list +' + test_done -- 2.21.0