X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=builtin%2Fmerge.c;h=a437ecba297e76eab1b72a2966b2b0b1cf3b49bc;hb=d9ac3e41c37ea565d8227d942b4f468616c9813a;hp=aa3453c5e1c99c02d802bc77632ecedec4451c43;hpb=b3369abfeb4b1630905de2ab516aeb946c0c19db;p=git.git diff --git a/builtin/merge.c b/builtin/merge.c index aa3453c5e..a437ecba2 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -25,6 +25,7 @@ #include "help.h" #include "merge-recursive.h" #include "resolve-undo.h" +#include "remote.h" #define DEFAULT_TWOHEAD (1<<0) #define DEFAULT_OCTOPUS (1<<1) @@ -37,8 +38,9 @@ struct strategy { }; static const char * const builtin_merge_usage[] = { - "git merge [options] ...", - "git merge [options] HEAD ", + "git merge [options] [...]", + "git merge [options] HEAD ", + "git merge --abort", NULL }; @@ -54,11 +56,13 @@ static size_t use_strategies_nr, use_strategies_alloc; static const char **xopts; static size_t xopts_nr, xopts_alloc; static const char *branch; +static char *branch_mergeoptions; static int option_renormalize; static int verbosity; static int allow_rerere_auto; static int abort_current_merge; static int show_progress = -1; +static int default_to_upstream; static struct strategy all_strategy[] = { { "recursive", DEFAULT_TWOHEAD | NO_TRIVIAL }, @@ -81,7 +85,7 @@ static int option_parse_message(const struct option *opt, strbuf_addf(buf, "%s%s", buf->len ? "\n\n" : "", arg); have_message = 1; } else - return error("switch `m' requires a value"); + return error(_("switch `m' requires a value")); return 0; } @@ -118,13 +122,13 @@ static struct strategy *get_strategy(const char *name) exclude_cmds(&main_cmds, ¬_strategies); } if (!is_in_cmdlist(&main_cmds, name) && !is_in_cmdlist(&other_cmds, name)) { - fprintf(stderr, "Could not find merge strategy '%s'.\n", name); - fprintf(stderr, "Available strategies are:"); + fprintf(stderr, _("Could not find merge strategy '%s'.\n"), name); + fprintf(stderr, _("Available strategies are:")); for (i = 0; i < main_cmds.cnt; i++) fprintf(stderr, " %s", main_cmds.names[i]->name); fprintf(stderr, ".\n"); if (other_cmds.cnt) { - fprintf(stderr, "Available custom strategies are:"); + fprintf(stderr, _("Available custom strategies are:")); for (i = 0; i < other_cmds.cnt; i++) fprintf(stderr, " %s", other_cmds.names[i]->name); fprintf(stderr, ".\n"); @@ -226,17 +230,17 @@ static void save_state(void) cp.git_cmd = 1; if (start_command(&cp)) - die("could not run stash."); + die(_("could not run stash.")); len = strbuf_read(&buffer, cp.out, 1024); close(cp.out); if (finish_command(&cp) || len < 0) - die("stash failed"); + die(_("stash failed")); else if (!len) return; strbuf_setlen(&buffer, buffer.len-1); if (get_sha1(buffer.buf, stash)) - die("not a valid object: %s", buffer.buf); + die(_("not a valid object: %s"), buffer.buf); } static void read_empty(unsigned const char *sha1, int verbose) @@ -254,7 +258,7 @@ static void read_empty(unsigned const char *sha1, int verbose) args[i] = NULL; if (run_command_v_opt(args, RUN_GIT_CMD)) - die("read-tree failed"); + die(_("read-tree failed")); } static void reset_hard(unsigned const char *sha1, int verbose) @@ -271,7 +275,7 @@ static void reset_hard(unsigned const char *sha1, int verbose) args[i] = NULL; if (run_command_v_opt(args, RUN_GIT_CMD)) - die("read-tree failed"); + die(_("read-tree failed")); } static void restore_state(void) @@ -300,7 +304,7 @@ static void restore_state(void) static void finish_up_to_date(const char *msg) { if (verbosity >= 0) - printf("%s%s\n", squash ? " (nothing to squash)" : "", msg); + printf("%s%s\n", squash ? _(" (nothing to squash)") : "", msg); drop_save(); } @@ -313,10 +317,10 @@ static void squash_message(void) int fd; struct pretty_print_context ctx = {0}; - printf("Squash commit -- not updating HEAD\n"); + printf(_("Squash commit -- not updating HEAD\n")); fd = open(git_path("SQUASH_MSG"), O_WRONLY | O_CREAT, 0666); if (fd < 0) - die_errno("Could not write to '%s'", git_path("SQUASH_MSG")); + die_errno(_("Could not write to '%s'"), git_path("SQUASH_MSG")); init_revisions(&rev, NULL); rev.ignore_merges = 1; @@ -331,7 +335,7 @@ static void squash_message(void) setup_revisions(0, NULL, &rev, NULL); if (prepare_revision_walk(&rev)) - die("revision walk setup failed"); + die(_("revision walk setup failed")); ctx.abbrev = rev.abbrev; ctx.date_mode = rev.date_mode; @@ -344,9 +348,9 @@ static void squash_message(void) pretty_print_commit(rev.commit_format, commit, &out, &ctx); } if (write(fd, out.buf, out.len) < 0) - die_errno("Writing SQUASH_MSG"); + die_errno(_("Writing SQUASH_MSG")); if (close(fd)) - die_errno("Finishing SQUASH_MSG"); + die_errno(_("Finishing SQUASH_MSG")); strbuf_release(&out); } @@ -366,7 +370,7 @@ static void finish(const unsigned char *new_head, const char *msg) squash_message(); } else { if (verbosity >= 0 && !merge_msg.len) - printf("No merge message -- not updating HEAD\n"); + printf(_("No merge message -- not updating HEAD\n")); else { const char *argv_gc_auto[] = { "gc", "--auto", NULL }; update_ref(reflog_message.buf, "HEAD", @@ -388,7 +392,7 @@ static void finish(const unsigned char *new_head, const char *msg) if (diff_use_color_default > 0) DIFF_OPT_SET(&opts, COLOR_DIFF); if (diff_setup_done(&opts) < 0) - die("diff_setup_done failed"); + die(_("diff_setup_done failed")); diff_tree_sha1(head, new_head, "", &opts); diffcore_std(&opts); diff_flush(&opts); @@ -417,7 +421,7 @@ static void merge_name(const char *remote, struct strbuf *msg) memset(branch_head, 0, sizeof(branch_head)); remote_head = peel_to_type(remote, 0, NULL, OBJ_COMMIT); if (!remote_head) - die("'%s' does not point to a commit", remote); + die(_("'%s' does not point to a commit"), remote); if (dwim_ref(remote, strlen(remote), branch_head, &found_ref) > 0) { if (!prefixcmp(found_ref, "refs/heads/")) { @@ -482,7 +486,7 @@ static void merge_name(const char *remote, struct strbuf *msg) fp = fopen(git_path("FETCH_HEAD"), "r"); if (!fp) - die_errno("could not open '%s' for reading", + die_errno(_("could not open '%s' for reading"), git_path("FETCH_HEAD")); strbuf_getline(&line, fp, '\n'); fclose(fp); @@ -500,26 +504,34 @@ cleanup: strbuf_release(&bname); } +static void parse_branch_merge_options(char *bmo) +{ + const char **argv; + int argc; + + if (!bmo) + return; + argc = split_cmdline(bmo, &argv); + if (argc < 0) + die(_("Bad branch.%s.mergeoptions string: %s"), branch, + split_cmdline_strerror(argc)); + argv = xrealloc(argv, sizeof(*argv) * (argc + 2)); + memmove(argv + 1, argv, sizeof(*argv) * (argc + 1)); + argc++; + argv[0] = "branch.*.mergeoptions"; + parse_options(argc, argv, NULL, builtin_merge_options, + builtin_merge_usage, 0); + free(argv); +} + static int git_merge_config(const char *k, const char *v, void *cb) { if (branch && !prefixcmp(k, "branch.") && !prefixcmp(k + 7, branch) && !strcmp(k + 7 + strlen(branch), ".mergeoptions")) { - const char **argv; - int argc; - char *buf; - - buf = xstrdup(v); - argc = split_cmdline(buf, &argv); - if (argc < 0) - die("Bad branch.%s.mergeoptions string: %s", branch, - split_cmdline_strerror(argc)); - argv = xrealloc(argv, sizeof(*argv) * (argc + 2)); - memmove(argv + 1, argv, sizeof(*argv) * (argc + 1)); - argc++; - parse_options(argc, argv, NULL, builtin_merge_options, - builtin_merge_usage, 0); - free(buf); + free(branch_mergeoptions); + branch_mergeoptions = xstrdup(v); + return 0; } if (!strcmp(k, "merge.diffstat") || !strcmp(k, "merge.stat")) @@ -534,10 +546,13 @@ static int git_merge_config(const char *k, const char *v, void *cb) int is_bool; shortlog_len = git_config_bool_or_int(k, v, &is_bool); if (!is_bool && shortlog_len < 0) - return error("%s: negative length %s", k, v); + return error(_("%s: negative length %s"), k, v); if (is_bool && shortlog_len) shortlog_len = DEFAULT_MERGE_LOG_LEN; return 0; + } else if (!strcmp(k, "merge.defaulttoupstream")) { + default_to_upstream = git_config_bool(k, v); + return 0; } return git_diff_ui_config(k, v, cb); } @@ -581,7 +596,15 @@ static int read_tree_trivial(unsigned char *common, unsigned char *head, static void write_tree_trivial(unsigned char *sha1) { if (write_cache_as_tree(sha1, 0, NULL)) - die("git write-tree failed to write a tree"); + die(_("git write-tree failed to write a tree")); +} + +static const char *merge_argument(struct commit *commit) +{ + if (commit) + return sha1_to_hex(commit->object.sha1); + else + return EMPTY_TREE_SHA1_HEX; } int try_merge_command(const char *strategy, size_t xopts_nr, @@ -604,11 +627,11 @@ int try_merge_command(const char *strategy, size_t xopts_nr, args[i++] = s; } for (j = common; j; j = j->next) - args[i++] = xstrdup(sha1_to_hex(j->item->object.sha1)); + args[i++] = xstrdup(merge_argument(j->item)); args[i++] = "--"; args[i++] = head_arg; for (j = remotes; j; j = j->next) - args[i++] = xstrdup(sha1_to_hex(j->item->object.sha1)); + args[i++] = xstrdup(merge_argument(j->item)); args[i] = NULL; ret = run_command_v_opt(args, RUN_GIT_CMD); strbuf_release(&buf); @@ -623,7 +646,7 @@ int try_merge_command(const char *strategy, size_t xopts_nr, free(args); discard_cache(); if (read_cache() < 0) - die("failed to read the cache"); + die(_("failed to read the cache")); resolve_undo_clear(); return ret; @@ -640,7 +663,7 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common, if (active_cache_changed && (write_cache(index_fd, active_cache, active_nr) || commit_locked_index(lock))) - return error("Unable to write index."); + return error(_("Unable to write index.")); rollback_lock_file(lock); if (!strcmp(strategy, "recursive") || !strcmp(strategy, "subtree")) { @@ -653,7 +676,7 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common, struct commit_list *j; if (remoteheads->next) { - error("Not handling anything other than two heads merge."); + error(_("Not handling anything other than two heads merge.")); return 2; } @@ -667,7 +690,7 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common, for (x = 0; x < xopts_nr; x++) if (parse_merge_opt(&o, xopts[x])) - die("Unknown option for merge-recursive: -X%s", xopts[x]); + die(_("Unknown option for merge-recursive: -X%s"), xopts[x]); o.branch1 = head_arg; o.branch2 = remoteheads->item->util; @@ -681,7 +704,7 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common, if (active_cache_changed && (write_cache(index_fd, active_cache, active_nr) || commit_locked_index(lock))) - die ("unable to write %s", get_index_file()); + die (_("unable to write %s"), get_index_file()); rollback_lock_file(lock); return clean ? 0 : 1; } else { @@ -753,7 +776,7 @@ int checkout_fast_forward(const unsigned char *head, const unsigned char *remote return -1; if (write_cache(fd, active_cache, active_nr) || commit_locked_index(lock_file)) - die("unable to write new index file"); + die(_("unable to write new index file")); return 0; } @@ -805,10 +828,10 @@ static void write_merge_msg(void) { int fd = open(git_path("MERGE_MSG"), O_WRONLY | O_CREAT, 0666); if (fd < 0) - die_errno("Could not open '%s' for writing", + die_errno(_("Could not open '%s' for writing"), git_path("MERGE_MSG")); if (write_in_full(fd, merge_msg.buf, merge_msg.len) != merge_msg.len) - die_errno("Could not write to '%s'", git_path("MERGE_MSG")); + die_errno(_("Could not write to '%s'"), git_path("MERGE_MSG")); close(fd); } @@ -833,7 +856,7 @@ static int merge_trivial(void) struct commit_list *parent = xmalloc(sizeof(*parent)); write_tree_trivial(result_tree); - printf("Wonderful.\n"); + printf(_("Wonderful.\n")); parent->item = lookup_commit(head); parent->next = xmalloc(sizeof(*parent->next)); parent->next->item = remoteheads->item; @@ -884,7 +907,7 @@ static int suggest_conflicts(int renormalizing) fp = fopen(git_path("MERGE_MSG"), "a"); if (!fp) - die_errno("Could not open '%s' for writing", + die_errno(_("Could not open '%s' for writing"), git_path("MERGE_MSG")); fprintf(fp, "\nConflicts:\n"); for (pos = 0; pos < active_nr; pos++) { @@ -900,8 +923,8 @@ static int suggest_conflicts(int renormalizing) } fclose(fp); rerere(allow_rerere_auto); - printf("Automatic merge failed; " - "fix conflicts and then commit the result.\n"); + printf(_("Automatic merge failed; " + "fix conflicts and then commit the result.\n")); return 1; } @@ -915,7 +938,7 @@ static struct commit *is_old_style_invocation(int argc, const char **argv) return NULL; second_token = lookup_commit_reference_gently(second_sha1, 0); if (!second_token) - die("'%s' is not a commit", argv[1]); + die(_("'%s' is not a commit"), argv[1]); if (hashcmp(second_token->object.sha1, head)) return NULL; } @@ -945,6 +968,35 @@ static int evaluate_result(void) return cnt; } +/* + * Pretend as if the user told us to merge with the tracking + * branch we have for the upstream of the current branch + */ +static int setup_with_upstream(const char ***argv) +{ + struct branch *branch = branch_get(NULL); + int i; + const char **args; + + if (!branch) + die("No current branch."); + if (!branch->remote) + die("No remote for the current branch."); + if (!branch->merge_nr) + die("No default upstream defined for the current branch."); + + args = xcalloc(branch->merge_nr + 1, sizeof(char *)); + for (i = 0; i < branch->merge_nr; i++) { + if (!branch->merge[i]->dst) + die("No remote tracking branch for %s from %s", + branch->merge[i]->src, branch->remote_name); + args[i] = branch->merge[i]->dst; + } + args[i] = NULL; + *argv = args; + return i; +} + int cmd_merge(int argc, const char **argv, const char *prefix) { unsigned char result_tree[20]; @@ -975,6 +1027,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (diff_use_color_default == -1) diff_use_color_default = git_use_color_default; + if (branch_mergeoptions) + parse_branch_merge_options(branch_mergeoptions); argc = parse_options(argc, argv, prefix, builtin_merge_options, builtin_merge_usage, 0); @@ -986,7 +1040,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) const char *nargv[] = {"reset", "--merge", NULL}; if (!file_exists(git_path("MERGE_HEAD"))) - die("There is no merge to abort (MERGE_HEAD missing)."); + die(_("There is no merge to abort (MERGE_HEAD missing).")); /* Invoke 'git reset --merge' */ return cmd_reset(nargc, nargv, prefix); @@ -1001,10 +1055,10 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * add/rm ', just 'git commit'. */ if (advice_resolve_conflict) - die("You have not concluded your merge (MERGE_HEAD exists).\n" - "Please, commit your changes before you can merge."); + die(_("You have not concluded your merge (MERGE_HEAD exists).\n" + "Please, commit your changes before you can merge.")); else - die("You have not concluded your merge (MERGE_HEAD exists)."); + die(_("You have not concluded your merge (MERGE_HEAD exists).")); } if (file_exists(git_path("CHERRY_PICK_HEAD"))) { if (advice_resolve_conflict) @@ -1020,12 +1074,15 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (squash) { if (!allow_fast_forward) - die("You cannot combine --squash with --no-ff."); + die(_("You cannot combine --squash with --no-ff.")); option_commit = 0; } if (!allow_fast_forward && fast_forward_only) - die("You cannot combine --no-ff with --ff-only."); + die(_("You cannot combine --no-ff with --ff-only.")); + + if (!argc && !abort_current_merge && default_to_upstream) + argc = setup_with_upstream(&argv); if (!argc) usage_with_options(builtin_merge_usage, @@ -1053,19 +1110,19 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * We do the same for "git pull". */ if (argc != 1) - die("Can merge only exactly one commit into " - "empty head"); + die(_("Can merge only exactly one commit into " + "empty head")); if (squash) - die("Squash commit into empty head not supported yet"); + die(_("Squash commit into empty head not supported yet")); if (!allow_fast_forward) - die("Non-fast-forward commit does not make sense into " - "an empty head"); + die(_("Non-fast-forward commit does not make sense into " + "an empty head")); remote_head = peel_to_type(argv[0], 0, NULL, OBJ_COMMIT); if (!remote_head) - die("%s - not something we can merge", argv[0]); + die(_("%s - not something we can merge"), argv[0]); + read_empty(remote_head->sha1, 0); update_ref("initial pull", "HEAD", remote_head->sha1, NULL, 0, DIE_ON_ERR); - read_empty(remote_head->sha1, 0); return 0; } else { struct strbuf merge_names = STRBUF_INIT; @@ -1108,7 +1165,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) o = peel_to_type(argv[i], 0, NULL, OBJ_COMMIT); if (!o) - die("%s - not something we can merge", argv[i]); + die(_("%s - not something we can merge"), argv[i]); commit = lookup_commit(o->sha1); commit->util = (void *)argv[i]; remotes = &commit_list_insert(commit, remotes)->next; @@ -1166,7 +1223,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) strcpy(hex, find_unique_abbrev(head, DEFAULT_ABBREV)); if (verbosity >= 0) - printf("Updating %s..%s\n", + printf(_("Updating %s..%s\n"), hex, find_unique_abbrev(remoteheads->item->object.sha1, DEFAULT_ABBREV)); @@ -1200,11 +1257,11 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (allow_trivial && !fast_forward_only) { /* See if it is really trivial. */ git_committer_info(IDENT_ERROR_ON_NO_NAME); - printf("Trying really trivial in-index merge...\n"); + printf(_("Trying really trivial in-index merge...\n")); if (!read_tree_trivial(common->item->object.sha1, head, remoteheads->item->object.sha1)) return merge_trivial(); - printf("Nope.\n"); + printf(_("Nope.\n")); } } else { /* @@ -1237,7 +1294,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) } if (fast_forward_only) - die("Not possible to fast-forward, aborting."); + die(_("Not possible to fast-forward, aborting.")); /* We are going to make a new commit. */ git_committer_info(IDENT_ERROR_ON_NO_NAME); @@ -1263,11 +1320,11 @@ int cmd_merge(int argc, const char **argv, const char *prefix) for (i = 0; i < use_strategies_nr; i++) { int ret; if (i) { - printf("Rewinding the tree to pristine...\n"); + printf(_("Rewinding the tree to pristine...\n")); restore_state(); } if (use_strategies_nr != 1) - printf("Trying merge strategy %s...\n", + printf(_("Trying merge strategy %s...\n"), use_strategies[i]->name); /* * Remember which strategy left the state in the working @@ -1328,17 +1385,17 @@ int cmd_merge(int argc, const char **argv, const char *prefix) restore_state(); if (use_strategies_nr > 1) fprintf(stderr, - "No merge strategy handled the merge.\n"); + _("No merge strategy handled the merge.\n")); else - fprintf(stderr, "Merge with strategy %s failed.\n", + fprintf(stderr, _("Merge with strategy %s failed.\n"), use_strategies[0]->name); return 2; } else if (best_strategy == wt_strategy) ; /* We already have its result in the working tree. */ else { - printf("Rewinding the tree to pristine...\n"); + printf(_("Rewinding the tree to pristine...\n")); restore_state(); - printf("Using the %s to prepare resolving by hand.\n", + printf(_("Using the %s to prepare resolving by hand.\n"), best_strategy); try_merge_strategy(best_strategy, common, head_arg); } @@ -1354,28 +1411,28 @@ int cmd_merge(int argc, const char **argv, const char *prefix) sha1_to_hex(j->item->object.sha1)); fd = open(git_path("MERGE_HEAD"), O_WRONLY | O_CREAT, 0666); if (fd < 0) - die_errno("Could not open '%s' for writing", + die_errno(_("Could not open '%s' for writing"), git_path("MERGE_HEAD")); if (write_in_full(fd, buf.buf, buf.len) != buf.len) - die_errno("Could not write to '%s'", git_path("MERGE_HEAD")); + die_errno(_("Could not write to '%s'"), git_path("MERGE_HEAD")); close(fd); strbuf_addch(&merge_msg, '\n'); write_merge_msg(); fd = open(git_path("MERGE_MODE"), O_WRONLY | O_CREAT | O_TRUNC, 0666); if (fd < 0) - die_errno("Could not open '%s' for writing", + die_errno(_("Could not open '%s' for writing"), git_path("MERGE_MODE")); strbuf_reset(&buf); if (!allow_fast_forward) strbuf_addf(&buf, "no-ff"); if (write_in_full(fd, buf.buf, buf.len) != buf.len) - die_errno("Could not write to '%s'", git_path("MERGE_MODE")); + die_errno(_("Could not write to '%s'"), git_path("MERGE_MODE")); close(fd); } if (merge_was_ok) { - fprintf(stderr, "Automatic merge went well; " - "stopped before committing as requested\n"); + fprintf(stderr, _("Automatic merge went well; " + "stopped before committing as requested\n")); return 0; } else return suggest_conflicts(option_renormalize);