/* * Builtin "git tag" * * Copyright (c) 2007 Kristian Høgsberg , * Carlos Rica * Based on git-tag.sh and mktag.c by Linus Torvalds. */ #include "cache.h" #include "config.h" #include "builtin.h" #include "refs.h" #include "object-store.h" #include "tag.h" #include "run-command.h" #include "parse-options.h" #include "diff.h" #include "revision.h" #include "gpg-interface.h" #include "oid-array.h" #include "column.h" #include "ref-filter.h" static const char * const git_tag_usage[] = { N_("git tag [-a | -s | -u ] [-f] [-m | -F ]\n" "\t\t []"), N_("git tag -d ..."), N_("git tag -l [-n[]] [--contains ] [--no-contains ] [--points-at ]\n" "\t\t[--format=] [--merged ] [--no-merged ] [...]"), N_("git tag -v [--format=] ..."), NULL }; static unsigned int colopts; static int force_sign_annotate; static int config_sign_tag = -1; /* unspecified */ static int list_tags(struct ref_filter *filter, struct ref_sorting *sorting, struct ref_format *format) { struct ref_array array; struct strbuf output = STRBUF_INIT; struct strbuf err = STRBUF_INIT; char *to_free = NULL; int i; memset(&array, 0, sizeof(array)); if (filter->lines == -1) filter->lines = 0; if (!format->format) { if (filter->lines) { to_free = xstrfmt("%s %%(contents:lines=%d)", "%(align:15)%(refname:lstrip=2)%(end)", filter->lines); format->format = to_free; } else format->format = "%(refname:lstrip=2)"; } if (verify_ref_format(format)) die(_("unable to parse format string")); filter->with_commit_tag_algo = 1; filter_refs(&array, filter, FILTER_REFS_TAGS); ref_array_sort(sorting, &array); for (i = 0; i < array.nr; i++) { strbuf_reset(&output); strbuf_reset(&err); if (format_ref_array_item(array.items[i], format, &output, &err)) die("%s", err.buf); fwrite(output.buf, 1, output.len, stdout); putchar('\n'); } strbuf_release(&err); strbuf_release(&output); ref_array_clear(&array); free(to_free); return 0; } typedef int (*each_tag_name_fn)(const char *name, const char *ref, const struct object_id *oid, void *cb_data); static int for_each_tag_name(const char **argv, each_tag_name_fn fn, void *cb_data) { const char **p; struct strbuf ref = STRBUF_INIT; int had_error = 0; struct object_id oid; for (p = argv; *p; p++) { strbuf_reset(&ref); strbuf_addf(&ref, "refs/tags/%s", *p); if (read_ref(ref.buf, &oid)) { error(_("tag '%s' not found."), *p); had_error = 1; continue; } if (fn(*p, ref.buf, &oid, cb_data)) had_error = 1; } strbuf_release(&ref); return had_error; } static int collect_tags(const char *name, const char *ref, const struct object_id *oid, void *cb_data) { struct string_list *ref_list = cb_data; string_list_append(ref_list, ref); ref_list->items[ref_list->nr - 1].util = oiddup(oid); return 0; } static int delete_tags(const char **argv) { int result; struct string_list refs_to_delete = STRING_LIST_INIT_DUP; struct string_list_item *item; result = for_each_tag_name(argv, collect_tags, (void *)&refs_to_delete); if (delete_refs(NULL, &refs_to_delete, REF_NO_DEREF)) result = 1; for_each_string_list_item(item, &refs_to_delete) { const char *name = item->string; struct object_id *oid = item->util; if (!ref_exists(name)) printf(_("Deleted tag '%s' (was %s)\n"), item->string + 10, find_unique_abbrev(oid, DEFAULT_ABBREV)); free(oid); } string_list_clear(&refs_to_delete, 0); return result; } static int verify_tag(const char *name, const char *ref, const struct object_id *oid, void *cb_data) { int flags; struct ref_format *format = cb_data; flags = GPG_VERIFY_VERBOSE; if (format->format) flags = GPG_VERIFY_OMIT_STATUS; if (gpg_verify_tag(oid, name, flags)) return -1; if (format->format) pretty_print_ref(name, oid, format); return 0; } static int do_sign(struct strbuf *buffer) { return sign_buffer(buffer, buffer, get_signing_key()); } static const char tag_template[] = N_("\nWrite a message for tag:\n %s\n" "Lines starting with '%c' will be ignored.\n"); static const char tag_template_nocleanup[] = N_("\nWrite a message for tag:\n %s\n" "Lines starting with '%c' will be kept; you may remove them" " yourself if you want to.\n"); static int git_tag_config(const char *var, const char *value, void *cb) { int status; struct ref_sorting **sorting_tail = (struct ref_sorting **)cb; if (!strcmp(var, "tag.gpgsign")) { config_sign_tag = git_config_bool(var, value); return 0; } if (!strcmp(var, "tag.sort")) { if (!value) return config_error_nonbool(var); parse_ref_sorting(sorting_tail, value); return 0; } status = git_gpg_config(var, value, cb); if (status) return status; if (!strcmp(var, "tag.forcesignannotated")) { force_sign_annotate = git_config_bool(var, value); return 0; } if (starts_with(var, "column.")) return git_column_config(var, value, "tag", &colopts); return git_color_default_config(var, value, cb); } static void write_tag_body(int fd, const struct object_id *oid) { unsigned long size; enum object_type type; char *buf, *sp, *orig; struct strbuf payload = STRBUF_INIT; struct strbuf signature = STRBUF_INIT; orig = buf = read_object_file(oid, &type, &size); if (!buf) return; if (parse_signature(buf, size, &payload, &signature)) { buf = payload.buf; size = payload.len; } /* skip header */ sp = strstr(buf, "\n\n"); if (!sp || !size || type != OBJ_TAG) { free(buf); return; } sp += 2; /* skip the 2 LFs */ write_or_die(fd, sp, buf + size - sp); free(orig); strbuf_release(&payload); strbuf_release(&signature); } static int build_tag_object(struct strbuf *buf, int sign, struct object_id *result) { if (sign && do_sign(buf) < 0) return error(_("unable to sign the tag")); if (write_object_file(buf->buf, buf->len, tag_type, result) < 0) return error(_("unable to write tag file")); return 0; } struct create_tag_options { unsigned int message_given:1; unsigned int use_editor:1; unsigned int sign; enum { CLEANUP_NONE, CLEANUP_SPACE, CLEANUP_ALL } cleanup_mode; }; static const char message_advice_nested_tag[] = N_("You have created a nested tag. The object referred to by your new tag is\n" "already a tag. If you meant to tag the object that it points to, use:\n" "\n" "\tgit tag -f %s %s^{}"); static void create_tag(const struct object_id *object, const char *object_ref, const char *tag, struct strbuf *buf, struct create_tag_options *opt, struct object_id *prev, struct object_id *result) { enum object_type type; struct strbuf header = STRBUF_INIT; char *path = NULL; type = oid_object_info(the_repository, object, NULL); if (type <= OBJ_NONE) die(_("bad object type.")); if (type == OBJ_TAG) advise_if_enabled(ADVICE_NESTED_TAG, _(message_advice_nested_tag), tag, object_ref); strbuf_addf(&header, "object %s\n" "type %s\n" "tag %s\n" "tagger %s\n\n", oid_to_hex(object), type_name(type), tag, git_committer_info(IDENT_STRICT)); if (!opt->message_given || opt->use_editor) { int fd; /* write the template message before editing: */ path = git_pathdup("TAG_EDITMSG"); fd = open(path, O_CREAT | O_TRUNC | O_WRONLY, 0600); if (fd < 0) die_errno(_("could not create file '%s'"), path); if (opt->message_given) { write_or_die(fd, buf->buf, buf->len); strbuf_reset(buf); } else if (!is_null_oid(prev)) { write_tag_body(fd, prev); } else { struct strbuf buf = STRBUF_INIT; strbuf_addch(&buf, '\n'); if (opt->cleanup_mode == CLEANUP_ALL) strbuf_commented_addf(&buf, _(tag_template), tag, comment_line_char); else strbuf_commented_addf(&buf, _(tag_template_nocleanup), tag, comment_line_char); write_or_die(fd, buf.buf, buf.len); strbuf_release(&buf); } close(fd); if (launch_editor(path, buf, NULL)) { fprintf(stderr, _("Please supply the message using either -m or -F option.\n")); exit(1); } } if (opt->cleanup_mode != CLEANUP_NONE) strbuf_stripspace(buf, opt->cleanup_mode == CLEANUP_ALL); if (!opt->message_given && !buf->len) die(_("no tag message?")); strbuf_insert(buf, 0, header.buf, header.len); strbuf_release(&header); if (build_tag_object(buf, opt->sign, result) < 0) { if (path) fprintf(stderr, _("The tag message has been left in %s\n"), path); exit(128); } if (path) { unlink_or_warn(path); free(path); } } static void create_reflog_msg(const struct object_id *oid, struct strbuf *sb) { enum object_type type; struct commit *c; char *buf; unsigned long size; int subject_len = 0; const char *subject_start; char *rla = getenv("GIT_REFLOG_ACTION"); if (rla) { strbuf_addstr(sb, rla); } else { strbuf_addstr(sb, "tag: tagging "); strbuf_add_unique_abbrev(sb, oid, DEFAULT_ABBREV); } strbuf_addstr(sb, " ("); type = oid_object_info(the_repository, oid, NULL); switch (type) { default: strbuf_addstr(sb, "object of unknown type"); break; case OBJ_COMMIT: if ((buf = read_object_file(oid, &type, &size)) != NULL) { subject_len = find_commit_subject(buf, &subject_start); strbuf_insert(sb, sb->len, subject_start, subject_len); } else { strbuf_addstr(sb, "commit object"); } free(buf); if ((c = lookup_commit_reference(the_repository, oid)) != NULL) strbuf_addf(sb, ", %s", show_date(c->date, 0, DATE_MODE(SHORT))); break; case OBJ_TREE: strbuf_addstr(sb, "tree object"); break; case OBJ_BLOB: strbuf_addstr(sb, "blob object"); break; case OBJ_TAG: strbuf_addstr(sb, "other tag object"); break; } strbuf_addch(sb, ')'); } struct msg_arg { int given; struct strbuf buf; }; static int parse_msg_arg(const struct option *opt, const char *arg, int unset) { struct msg_arg *msg = opt->value; BUG_ON_OPT_NEG(unset); if (!arg) return -1; if (msg->buf.len) strbuf_addstr(&(msg->buf), "\n\n"); strbuf_addstr(&(msg->buf), arg); msg->given = 1; return 0; } static int strbuf_check_tag_ref(struct strbuf *sb, const char *name) { if (name[0] == '-') return -1; strbuf_reset(sb); strbuf_addf(sb, "refs/tags/%s", name); return check_refname_format(sb->buf, 0); } int cmd_tag(int argc, const char **argv, const char *prefix) { struct strbuf buf = STRBUF_INIT; struct strbuf ref = STRBUF_INIT; struct strbuf reflog_msg = STRBUF_INIT; struct object_id object, prev; const char *object_ref, *tag; struct create_tag_options opt; char *cleanup_arg = NULL; int create_reflog = 0; int annotate = 0, force = 0; int cmdmode = 0, create_tag_object = 0; const char *msgfile = NULL, *keyid = NULL; struct msg_arg msg = { 0, STRBUF_INIT }; struct ref_transaction *transaction; struct strbuf err = STRBUF_INIT; struct ref_filter filter; static struct ref_sorting *sorting = NULL, **sorting_tail = &sorting; struct ref_format format = REF_FORMAT_INIT; int icase = 0; int edit_flag = 0; struct option options[] = { OPT_CMDMODE('l', "list", &cmdmode, N_("list tag names"), 'l'), { OPTION_INTEGER, 'n', NULL, &filter.lines, N_("n"), N_("print lines of each tag message"), PARSE_OPT_OPTARG, NULL, 1 }, OPT_CMDMODE('d', "delete", &cmdmode, N_("delete tags"), 'd'), OPT_CMDMODE('v', "verify", &cmdmode, N_("verify tags"), 'v'), OPT_GROUP(N_("Tag creation options")), OPT_BOOL('a', "annotate", &annotate, N_("annotated tag, needs a message")), OPT_CALLBACK_F('m', "message", &msg, N_("message"), N_("tag message"), PARSE_OPT_NONEG, parse_msg_arg), OPT_FILENAME('F', "file", &msgfile, N_("read message from file")), OPT_BOOL('e', "edit", &edit_flag, N_("force edit of tag message")), OPT_BOOL('s', "sign", &opt.sign, N_("annotated and GPG-signed tag")), OPT_CLEANUP(&cleanup_arg), OPT_STRING('u', "local-user", &keyid, N_("key-id"), N_("use another key to sign the tag")), OPT__FORCE(&force, N_("replace the tag if exists"), 0), OPT_BOOL(0, "create-reflog", &create_reflog, N_("create a reflog")), OPT_GROUP(N_("Tag listing options")), OPT_COLUMN(0, "column", &colopts, N_("show tag list in columns")), OPT_CONTAINS(&filter.with_commit, N_("print only tags that contain the commit")), OPT_NO_CONTAINS(&filter.no_commit, N_("print only tags that don't contain the commit")), OPT_WITH(&filter.with_commit, N_("print only tags that contain the commit")), OPT_WITHOUT(&filter.no_commit, N_("print only tags that don't contain the commit")), OPT_MERGED(&filter, N_("print only tags that are merged")), OPT_NO_MERGED(&filter, N_("print only tags that are not merged")), OPT_REF_SORT(sorting_tail), { OPTION_CALLBACK, 0, "points-at", &filter.points_at, N_("object"), N_("print only tags of the object"), PARSE_OPT_LASTARG_DEFAULT, parse_opt_object_name, (intptr_t) "HEAD" }, OPT_STRING( 0 , "format", &format.format, N_("format"), N_("format to use for the output")), OPT__COLOR(&format.use_color, N_("respect format colors")), OPT_BOOL('i', "ignore-case", &icase, N_("sorting and filtering are case insensitive")), OPT_END() }; setup_ref_filter_porcelain_msg(); git_config(git_tag_config, sorting_tail); memset(&opt, 0, sizeof(opt)); memset(&filter, 0, sizeof(filter)); filter.lines = -1; opt.sign = -1; argc = parse_options(argc, argv, prefix, options, git_tag_usage, 0); if (!cmdmode) { if (argc == 0) cmdmode = 'l'; else if (filter.with_commit || filter.no_commit || filter.reachable_from || filter.unreachable_from || filter.points_at.nr || filter.lines != -1) cmdmode = 'l'; } if (cmdmode == 'l') setup_auto_pager("tag", 1); if (opt.sign == -1) opt.sign = cmdmode ? 0 : config_sign_tag > 0; if (keyid) { opt.sign = 1; set_signing_key(keyid); } create_tag_object = (opt.sign || annotate || msg.given || msgfile); if ((create_tag_object || force) && (cmdmode != 0)) usage_with_options(git_tag_usage, options); finalize_colopts(&colopts, -1); if (cmdmode == 'l' && filter.lines != -1) { if (explicitly_enable_column(colopts)) die(_("--column and -n are incompatible")); colopts = 0; } if (!sorting) sorting = ref_default_sorting(); ref_sorting_set_sort_flags_all(sorting, REF_SORTING_ICASE, icase); filter.ignore_case = icase; if (cmdmode == 'l') { int ret; if (column_active(colopts)) { struct column_options copts; memset(&copts, 0, sizeof(copts)); copts.padding = 2; run_column_filter(colopts, &copts); } filter.name_patterns = argv; ret = list_tags(&filter, sorting, &format); if (column_active(colopts)) stop_column_filter(); return ret; } if (filter.lines != -1) die(_("-n option is only allowed in list mode")); if (filter.with_commit) die(_("--contains option is only allowed in list mode")); if (filter.no_commit) die(_("--no-contains option is only allowed in list mode")); if (filter.points_at.nr) die(_("--points-at option is only allowed in list mode")); if (filter.reachable_from || filter.unreachable_from) die(_("--merged and --no-merged options are only allowed in list mode")); if (cmdmode == 'd') return delete_tags(argv); if (cmdmode == 'v') { if (format.format && verify_ref_format(&format)) usage_with_options(git_tag_usage, options); return for_each_tag_name(argv, verify_tag, &format); } if (msg.given || msgfile) { if (msg.given && msgfile) die(_("only one -F or -m option is allowed.")); if (msg.given) strbuf_addbuf(&buf, &(msg.buf)); else { if (!strcmp(msgfile, "-")) { if (strbuf_read(&buf, 0, 1024) < 0) die_errno(_("cannot read '%s'"), msgfile); } else { if (strbuf_read_file(&buf, msgfile, 1024) < 0) die_errno(_("could not open or read '%s'"), msgfile); } } } tag = argv[0]; object_ref = argc == 2 ? argv[1] : "HEAD"; if (argc > 2) die(_("too many arguments")); if (get_oid(object_ref, &object)) die(_("Failed to resolve '%s' as a valid ref."), object_ref); if (strbuf_check_tag_ref(&ref, tag)) die(_("'%s' is not a valid tag name."), tag); if (read_ref(ref.buf, &prev)) oidclr(&prev); else if (!force) die(_("tag '%s' already exists"), tag); opt.message_given = msg.given || msgfile; opt.use_editor = edit_flag; if (!cleanup_arg || !strcmp(cleanup_arg, "strip")) opt.cleanup_mode = CLEANUP_ALL; else if (!strcmp(cleanup_arg, "verbatim")) opt.cleanup_mode = CLEANUP_NONE; else if (!strcmp(cleanup_arg, "whitespace")) opt.cleanup_mode = CLEANUP_SPACE; else die(_("Invalid cleanup mode %s"), cleanup_arg); create_reflog_msg(&object, &reflog_msg); if (create_tag_object) { if (force_sign_annotate && !annotate) opt.sign = 1; create_tag(&object, object_ref, tag, &buf, &opt, &prev, &object); } transaction = ref_transaction_begin(&err); if (!transaction || ref_transaction_update(transaction, ref.buf, &object, &prev, create_reflog ? REF_FORCE_CREATE_REFLOG : 0, reflog_msg.buf, &err) || ref_transaction_commit(transaction, &err)) die("%s", err.buf); ref_transaction_free(transaction); if (force && !is_null_oid(&prev) && !oideq(&prev, &object)) printf(_("Updated tag '%s' (was %s)\n"), tag, find_unique_abbrev(&prev, DEFAULT_ABBREV)); UNLEAK(buf); UNLEAK(ref); UNLEAK(reflog_msg); UNLEAK(msg); UNLEAK(err); return 0; }