diff options
| -rw-r--r-- | Documentation/git-cherry-pick.txt | 4 | ||||
| -rw-r--r-- | Documentation/git-revert.txt | 4 | ||||
| -rw-r--r-- | Documentation/sequencer.txt | 4 | ||||
| -rw-r--r-- | builtin/revert.c | 5 | ||||
| -rw-r--r-- | sequencer.c | 73 | ||||
| -rw-r--r-- | sequencer.h | 1 | ||||
| -rwxr-xr-x | t/t3510-cherry-pick-sequence.sh | 102 |
7 files changed, 187 insertions, 6 deletions
diff --git a/Documentation/git-cherry-pick.txt b/Documentation/git-cherry-pick.txt index 754b16ce0c..83ce51aedf 100644 --- a/Documentation/git-cherry-pick.txt +++ b/Documentation/git-cherry-pick.txt @@ -10,9 +10,7 @@ SYNOPSIS [verse] 'git cherry-pick' [--edit] [-n] [-m parent-number] [-s] [-x] [--ff] [-S[<keyid>]] <commit>... -'git cherry-pick' --continue -'git cherry-pick' --quit -'git cherry-pick' --abort +'git cherry-pick' (--continue | --skip | --abort | --quit) DESCRIPTION ----------- diff --git a/Documentation/git-revert.txt b/Documentation/git-revert.txt index 0c82ca5bc0..665e065ee3 100644 --- a/Documentation/git-revert.txt +++ b/Documentation/git-revert.txt @@ -9,9 +9,7 @@ SYNOPSIS -------- [verse] 'git revert' [--[no-]edit] [-n] [-m parent-number] [-s] [-S[<keyid>]] <commit>... -'git revert' --continue -'git revert' --quit -'git revert' --abort +'git revert' (--continue | --skip | --abort | --quit) DESCRIPTION ----------- diff --git a/Documentation/sequencer.txt b/Documentation/sequencer.txt index 5a57c4a407..3bceb56474 100644 --- a/Documentation/sequencer.txt +++ b/Documentation/sequencer.txt @@ -3,6 +3,10 @@ `.git/sequencer`. Can be used to continue after resolving conflicts in a failed cherry-pick or revert. +--skip:: + Skip the current commit and continue with the rest of the + sequence. + --quit:: Forget about the current operation in progress. Can be used to clear the sequencer state after a failed cherry-pick or diff --git a/builtin/revert.c b/builtin/revert.c index d4dcedbdc6..5dc5891ea2 100644 --- a/builtin/revert.c +++ b/builtin/revert.c @@ -102,6 +102,7 @@ static int run_sequencer(int argc, const char **argv, struct replay_opts *opts) OPT_CMDMODE(0, "quit", &cmd, N_("end revert or cherry-pick sequence"), 'q'), OPT_CMDMODE(0, "continue", &cmd, N_("resume revert or cherry-pick sequence"), 'c'), OPT_CMDMODE(0, "abort", &cmd, N_("cancel revert or cherry-pick sequence"), 'a'), + OPT_CMDMODE(0, "skip", &cmd, N_("skip current commit and continue"), 's'), OPT_CLEANUP(&cleanup_arg), OPT_BOOL('n', "no-commit", &opts->no_commit, N_("don't automatically commit")), OPT_BOOL('e', "edit", &opts->edit, N_("edit the commit message")), @@ -151,6 +152,8 @@ static int run_sequencer(int argc, const char **argv, struct replay_opts *opts) this_operation = "--quit"; else if (cmd == 'c') this_operation = "--continue"; + else if (cmd == 's') + this_operation = "--skip"; else { assert(cmd == 'a'); this_operation = "--abort"; @@ -210,6 +213,8 @@ static int run_sequencer(int argc, const char **argv, struct replay_opts *opts) return sequencer_continue(the_repository, opts); if (cmd == 'a') return sequencer_rollback(the_repository, opts); + if (cmd == 's') + return sequencer_skip(the_repository, opts); return sequencer_pick_revisions(the_repository, opts); } diff --git a/sequencer.c b/sequencer.c index 0b858ca8e0..dede47a21b 100644 --- a/sequencer.c +++ b/sequencer.c @@ -2762,6 +2762,15 @@ static int rollback_single_pick(struct repository *r) return reset_merge(&head_oid); } +static int skip_single_pick(void) +{ + struct object_id head; + + if (read_ref_full("HEAD", 0, &head, NULL)) + return error(_("cannot resolve HEAD")); + return reset_merge(&head); +} + int sequencer_rollback(struct repository *r, struct replay_opts *opts) { FILE *f; @@ -2811,6 +2820,70 @@ fail: return -1; } +int sequencer_skip(struct repository *r, struct replay_opts *opts) +{ + enum replay_action action = -1; + sequencer_get_last_command(r, &action); + + /* + * Check whether the subcommand requested to skip the commit is actually + * in progress and that it's safe to skip the commit. + * + * opts->action tells us which subcommand requested to skip the commit. + * If the corresponding .git/<ACTION>_HEAD exists, we know that the + * action is in progress and we can skip the commit. + * + * Otherwise we check that the last instruction was related to the + * particular subcommand we're trying to execute and barf if that's not + * the case. + * + * Finally we check that the rollback is "safe", i.e., has the HEAD + * moved? In this case, it doesn't make sense to "reset the merge" and + * "skip the commit" as the user already handled this by committing. But + * we'd not want to barf here, instead give advice on how to proceed. We + * only need to check that when .git/<ACTION>_HEAD doesn't exist because + * it gets removed when the user commits, so if it still exists we're + * sure the user can't have committed before. + */ + switch (opts->action) { + case REPLAY_REVERT: + if (!file_exists(git_path_revert_head(r))) { + if (action != REPLAY_REVERT) + return error(_("no revert in progress")); + if (!rollback_is_safe()) + goto give_advice; + } + break; + case REPLAY_PICK: + if (!file_exists(git_path_cherry_pick_head(r))) { + if (action != REPLAY_PICK) + return error(_("no cherry-pick in progress")); + if (!rollback_is_safe()) + goto give_advice; + } + break; + default: + BUG("unexpected action in sequencer_skip"); + } + + if (skip_single_pick()) + return error(_("failed to skip the commit")); + if (!is_directory(git_path_seq_dir())) + return 0; + + return sequencer_continue(r, opts); + +give_advice: + error(_("there is nothing to skip")); + + if (advice_resolve_conflict) { + advise(_("have you committed already?\n" + "try \"git %s --continue\""), + action == REPLAY_REVERT ? "revert" : "cherry-pick"); + } + return -1; +} + static int save_todo(struct todo_list *todo_list, struct replay_opts *opts) { struct lock_file todo_lock = LOCK_INIT; diff --git a/sequencer.h b/sequencer.h index 0c494b83d4..731b9853eb 100644 --- a/sequencer.h +++ b/sequencer.h @@ -129,6 +129,7 @@ int sequencer_pick_revisions(struct repository *repo, struct replay_opts *opts); int sequencer_continue(struct repository *repo, struct replay_opts *opts); int sequencer_rollback(struct repository *repo, struct replay_opts *opts); +int sequencer_skip(struct repository *repo, struct replay_opts *opts); int sequencer_remove_state(struct replay_opts *opts); #define TODO_LIST_KEEP_EMPTY (1U << 0) diff --git a/t/t3510-cherry-pick-sequence.sh b/t/t3510-cherry-pick-sequence.sh index 941d5026da..20515ea37b 100755 --- a/t/t3510-cherry-pick-sequence.sh +++ b/t/t3510-cherry-pick-sequence.sh @@ -93,6 +93,108 @@ test_expect_success 'cherry-pick cleans up sequencer state upon success' ' test_path_is_missing .git/sequencer ' +test_expect_success 'cherry-pick --skip requires cherry-pick in progress' ' + pristine_detach initial && + test_must_fail git cherry-pick --skip +' + +test_expect_success 'revert --skip requires revert in progress' ' + pristine_detach initial && + test_must_fail git revert --skip +' + +test_expect_success 'cherry-pick --skip to skip commit' ' + pristine_detach initial && + test_must_fail git cherry-pick anotherpick && + test_must_fail git revert --skip && + git cherry-pick --skip && + test_cmp_rev initial HEAD && + test_path_is_missing .git/CHERRY_PICK_HEAD +' + +test_expect_success 'revert --skip to skip commit' ' + pristine_detach anotherpick && + test_must_fail git revert anotherpick~1 && + test_must_fail git cherry-pick --skip && + git revert --skip && + test_cmp_rev anotherpick HEAD +' + +test_expect_success 'skip "empty" commit' ' + pristine_detach picked && + test_commit dummy foo d && + test_must_fail git cherry-pick anotherpick && + git cherry-pick --skip && + test_cmp_rev dummy HEAD +' + +test_expect_success 'skip a commit and check if rest of sequence is correct' ' + pristine_detach initial && + echo e >expect && + cat >expect.log <<-EOF && + OBJID + :100644 100644 OBJID OBJID M foo + OBJID + :100644 100644 OBJID OBJID M foo + OBJID + :100644 100644 OBJID OBJID M unrelated + OBJID + :000000 100644 OBJID OBJID A foo + :000000 100644 OBJID OBJID A unrelated + EOF + test_must_fail git cherry-pick base..yetanotherpick && + test_must_fail git cherry-pick --skip && + echo d >foo && + git add foo && + git cherry-pick --continue && + { + git rev-list HEAD | + git diff-tree --root --stdin | + sed "s/$OID_REGEX/OBJID/g" + } >actual.log && + test_cmp expect foo && + test_cmp expect.log actual.log +' + +test_expect_success 'check advice when we move HEAD by committing' ' + pristine_detach initial && + cat >expect <<-EOF && + error: there is nothing to skip + hint: have you committed already? + hint: try "git cherry-pick --continue" + fatal: cherry-pick failed + EOF + test_must_fail git cherry-pick base..yetanotherpick && + echo c >foo && + git commit -a && + test_path_is_missing .git/CHERRY_PICK_HEAD && + test_must_fail git cherry-pick --skip 2>advice && + test_i18ncmp expect advice +' + +test_expect_success 'allow skipping commit but not abort for a new history' ' + pristine_detach initial && + cat >expect <<-EOF && + error: cannot abort from a branch yet to be born + fatal: cherry-pick failed + EOF + git checkout --orphan new_disconnected && + git reset --hard && + test_must_fail git cherry-pick anotherpick && + test_must_fail git cherry-pick --abort 2>advice && + git cherry-pick --skip && + test_i18ncmp expect advice +' + +test_expect_success 'allow skipping stopped cherry-pick because of untracked file modifications' ' + pristine_detach initial && + git rm --cached unrelated && + git commit -m "untrack unrelated" && + test_must_fail git cherry-pick initial base && + test_path_is_missing .git/CHERRY_PICK_HEAD && + git cherry-pick --skip +' + test_expect_success '--quit does not complain when no cherry-pick is in progress' ' pristine_detach initial && git cherry-pick --quit |