diff options
Diffstat (limited to 'builtin/merge.c')
| -rw-r--r-- | builtin/merge.c | 97 |
1 files changed, 50 insertions, 47 deletions
diff --git a/builtin/merge.c b/builtin/merge.c index e96f72af80..e2ccbc44e2 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -37,6 +37,7 @@ #include "packfile.h" #include "tag.h" #include "alias.h" +#include "branch.h" #include "commit-reach.h" #include "wt-status.h" @@ -58,7 +59,7 @@ static const char * const builtin_merge_usage[] = { }; static int show_diffstat = 1, shortlog_len = -1, squash; -static int option_commit = 1; +static int option_commit = -1; static int option_edit = -1; static int allow_trivial = 1, have_message, verify_signatures; static int overwrite_ignore = 1; @@ -73,6 +74,7 @@ static int option_renormalize; static int verbosity; static int allow_rerere_auto; static int abort_current_merge; +static int quit_current_merge; static int continue_current_merge; static int allow_unrelated_histories; static int show_progress = -1; @@ -274,6 +276,8 @@ static struct option builtin_merge_options[] = { OPT__VERBOSITY(&verbosity), OPT_BOOL(0, "abort", &abort_current_merge, N_("abort the current in-progress merge")), + OPT_BOOL(0, "quit", &quit_current_merge, + N_("--abort but leave index and working tree alone")), OPT_BOOL(0, "continue", &continue_current_merge, N_("continue the current in-progress merge")), OPT_BOOL(0, "allow-unrelated-histories", &allow_unrelated_histories, @@ -287,14 +291,6 @@ static struct option builtin_merge_options[] = { OPT_END() }; -/* Cleans up metadata that is uninteresting after a succeeded merge. */ -static void drop_save(void) -{ - unlink(git_path_merge_head(the_repository)); - unlink(git_path_merge_msg(the_repository)); - unlink(git_path_merge_mode(the_repository)); -} - static int save_state(struct object_id *stash) { int len; @@ -388,7 +384,7 @@ static void finish_up_to_date(const char *msg) { if (verbosity >= 0) printf("%s%s\n", squash ? _(" (nothing to squash)") : "", msg); - drop_save(); + remove_merge_branch_state(the_repository); } static void squash_message(struct commit *commit, struct commit_list *remoteheads) @@ -457,7 +453,7 @@ static void finish(struct commit *head_commit, * We ignore errors in 'gc --auto', since the * user should see them. */ - close_all_packs(the_repository->objects); + close_object_store(the_repository->objects); run_command_v_opt(argv_gc_auto, RUN_GIT_CMD); } } @@ -881,7 +877,7 @@ static int merge_trivial(struct commit *head, struct commit_list *remoteheads) &result_commit, NULL, sign_commit)) die(_("failed to write commit object")); finish(head, remoteheads, &result_commit, "In-index merge"); - drop_save(); + remove_merge_branch_state(the_repository); return 0; } @@ -896,6 +892,7 @@ static int finish_automerge(struct commit *head, struct strbuf buf = STRBUF_INIT; struct object_id result_commit; + write_tree_trivial(result_tree); free_commit_list(common); parents = remoteheads; if (!head_subsumed || fast_forward == FF_NO) @@ -907,7 +904,7 @@ static int finish_automerge(struct commit *head, strbuf_addf(&buf, "Merge made by the '%s' strategy.", wt_strategy); finish(head, remoteheads, &result_commit, buf.buf); strbuf_release(&buf); - drop_save(); + remove_merge_branch_state(the_repository); return 0; } @@ -1289,6 +1286,16 @@ int cmd_merge(int argc, const char **argv, const char *prefix) goto done; } + if (quit_current_merge) { + if (orig_argc != 2) + usage_msg_opt(_("--quit expects no arguments"), + builtin_merge_usage, + builtin_merge_options); + + remove_merge_branch_state(the_repository); + goto done; + } + if (continue_current_merge) { int nargc = 1; const char *nargv[] = {"commit", NULL}; @@ -1339,9 +1346,19 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (squash) { if (fast_forward == FF_NO) die(_("You cannot combine --squash with --no-ff.")); + if (option_commit > 0) + die(_("You cannot combine --squash with --commit.")); + /* + * squash can now silently disable option_commit - this is not + * a problem as it is only overriding the default, not a user + * supplied option. + */ option_commit = 0; } + if (option_commit < 0) + option_commit = 1; + if (!argc) { if (default_to_upstream) argc = setup_with_upstream(&argv); @@ -1495,7 +1512,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) } finish(head_commit, remoteheads, &commit->object.oid, msg.buf); - drop_save(); + remove_merge_branch_state(the_repository); goto done; } else if (!remoteheads->next && common->next) ; @@ -1570,8 +1587,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix) save_state(&stash)) oidclr(&stash); - for (i = 0; i < use_strategies_nr; i++) { - int ret; + for (i = 0; !merge_was_ok && i < use_strategies_nr; i++) { + int ret, cnt; if (i) { printf(_("Rewinding the tree to pristine...\n")); restore_state(&head_commit->object.oid, &stash); @@ -1588,40 +1605,26 @@ int cmd_merge(int argc, const char **argv, const char *prefix) ret = try_merge_strategy(use_strategies[i]->name, common, remoteheads, head_commit); - if (!option_commit && !ret) { - merge_was_ok = 1; - /* - * This is necessary here just to avoid writing - * the tree, but later we will *not* exit with - * status code 1 because merge_was_ok is set. - */ - ret = 1; - } - - if (ret) { - /* - * The backend exits with 1 when conflicts are - * left to be resolved, with 2 when it does not - * handle the given merge at all. - */ - if (ret == 1) { - int cnt = evaluate_result(); - - if (best_cnt <= 0 || cnt <= best_cnt) { - best_strategy = use_strategies[i]->name; - best_cnt = cnt; + /* + * The backend exits with 1 when conflicts are + * left to be resolved, with 2 when it does not + * handle the given merge at all. + */ + if (ret < 2) { + if (!ret) { + if (option_commit) { + /* Automerge succeeded. */ + automerge_was_ok = 1; + break; } + merge_was_ok = 1; + } + cnt = evaluate_result(); + if (best_cnt <= 0 || cnt <= best_cnt) { + best_strategy = use_strategies[i]->name; + best_cnt = cnt; } - if (merge_was_ok) - break; - else - continue; } - - /* Automerge succeeded. */ - write_tree_trivial(&result_tree); - automerge_was_ok = 1; - break; } /* |