[PATCH v2 4/5] rebase -i: support --ignore-date
- From
- Phillip Wood <phillip.wood123@gmail.com>
- Date
- Apr 29, 2020, 10:25 UTC
- Message-ID
- <20200429102521.47995-5-phillip.wood123@gmail.com>
- In-Reply-To
- <20200429102521.47995-1-phillip.wood123@gmail.com>
From: Phillip Wood <phillip.wood@dunelm.org.uk>
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@gmail.com> Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk> --- Documentation/git-rebase.txt | 7 +++-- builtin/rebase.c | 13 +++++--- sequencer.c | 49 +++++++++++++++++++++++++++-- sequencer.h | 1 + t/t3436-rebase-more-options.sh | 57 ++++++++++++++++++++++++++++++++++ 5 files changed, 117 insertions(+), 10 deletions(-)
diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt index 8c62645b8c..96c7125791 100644 --- a/Documentation/git-rebase.txt +++ b/Documentation/git-rebase.txt @@ -443,8 +443,9 @@ 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. @@ -582,7 +583,6 @@ INCOMPATIBLE OPTIONS The following options: * --apply - * --ignore-date * --whitespace * -C @@ -610,6 +610,7 @@ 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 8dff8b9b95..339dbf4a59 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"); @@ -1386,7 +1409,8 @@ 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) @@ -1452,6 +1476,15 @@ 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")); @@ -2581,6 +2614,11 @@ 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; @@ -2673,6 +2711,8 @@ 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", ""); @@ -3595,7 +3635,11 @@ 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"); @@ -3875,7 +3919,8 @@ 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 84b9d5d37f..6cd3848689 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="$GIT_AUTHOR_DATE" && + git rebase --apply --ignore-date HEAD^ && + git log -1 --pretty="format:%ai" >authortime && + grep "+0000" authortime +' + +test_expect_success '--ignore-date works with merge backend' ' + git commit --amend --date="$GIT_AUTHOR_DATE" && + git rebase --ignore-date -m HEAD^ && + git log -1 --pretty="format:%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 --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