/* * 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 "builtin.h" #include "refs.h" #include "tag.h" #include "run-command.h" #include "parse-options.h" #include "diff.h" #include "revision.h" #include "gpg-interface.h" #include "sha1-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_("git tag -d ..."), N_("git tag -l [-n[]] [--contains ] [--points-at ]" "\n\t\t[--format=] [--[no-]merged []] [...]"), N_("git tag -v ..."), NULL }; static unsigned int colopts; static int list_tags(struct ref_filter *filter, struct ref_sorting *sorting, const char *format) { struct ref_array array; char *to_free = NULL; int i; memset(&array, 0, sizeof(array)); if (filter->lines == -1) filter->lines = 0; if (!format) { if (filter->lines) { to_free = xstrfmt("%s %%(contents:lines=%d)", "%(align:15)%(refname:short)%(end)", filter->lines); format = to_free; } else format = "%(refname:short)"; } verify_ref_format(format); 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++) show_ref_array_item(array.items[i], format, 0); ref_array_clear(&array); free(to_free); return 0; } typedef int (*each_tag_name_fn)(const char *name, const char *ref, const unsigned char *sha1); static int for_each_tag_name(const char **argv, each_tag_name_fn fn) { const char **p; char ref[PATH_MAX]; int had_error = 0; unsigned char sha1[20]; for (p = argv; *p; p++) { if (snprintf(ref, sizeof(ref), "refs/tags/%s", *p) >= sizeof(ref)) { error(_("tag name too long: %.*s..."), 50, *p); had_error = 1; continue; } if (read_ref(ref, sha1)) { error(_("tag '%s' not found."), *p); had_error = 1; continue; } if (fn(*p, ref, sha1)) had_error = 1; } return had_error; } static int delete_tag(const char *name, const char *ref, const unsigned char *sha1) { if (delete_ref(ref, sha1, 0)) return 1; printf(_("Deleted tag '%s' (was %s)\n"), name, find_unique_abbrev(sha1, DEFAULT_ABBREV)); return 0; } static int verify_tag(const char *name, const char *ref, const unsigned char *sha1) { const char *argv_verify_tag[] = {"verify-tag", "-v", "SHA1_HEX", NULL}; argv_verify_tag[2] = sha1_to_hex(sha1); if (run_command_v_opt(argv_verify_tag, RUN_GIT_CMD)) return error(_("could not verify the tag '%s'"), name); 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"); /* Parse arg given and add it the ref_sorting array */ static int parse_sorting_string(const char *arg, struct ref_sorting **sorting_tail) { struct ref_sorting *s; int len; s = xcalloc(1, sizeof(*s)); s->next = *sorting_tail; *sorting_tail = s; if (*arg == '-') { s->reverse = 1; arg++; } if (skip_prefix(arg, "version:", &arg) || skip_prefix(arg, "v:", &arg)) s->version = 1; len = strlen(arg); s->atom = parse_ref_filter_atom(arg, arg+len); return 0; } 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.sort")) { if (!value) return config_error_nonbool(var); parse_sorting_string(value, sorting_tail); return 0; } status = git_gpg_config(var, value, cb); if (status) return status; if (starts_with(var, "column.")) return git_column_config(var, value, "tag", &colopts); return git_default_config(var, value, cb); } static void write_tag_body(int fd, const unsigned char *sha1) { unsigned long size; enum object_type type; char *buf, *sp; buf = read_sha1_file(sha1, &type, &size); if (!buf) return; /* 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, parse_signature(sp, buf + size - sp)); free(buf); } static int build_tag_object(struct strbuf *buf, int sign, unsigned char *result) { if (sign && do_sign(buf) < 0) return error(_("unable to sign the tag")); if (write_sha1_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 sign; enum { CLEANUP_NONE, CLEANUP_SPACE, CLEANUP_ALL } cleanup_mode; }; static void create_tag(const unsigned char *object, const char *tag, struct strbuf *buf, struct create_tag_options *opt, unsigned char *prev, unsigned char *result) { enum object_type type; char header_buf[1024]; int header_len; char *path = NULL; type = sha1_object_info(object, NULL); if (type <= OBJ_NONE) die(_("bad object type.")); header_len = snprintf(header_buf, sizeof(header_buf), "object %s\n" "type %s\n" "tag %s\n" "tagger %s\n\n", sha1_to_hex(object), typename(type), tag, git_committer_info(IDENT_STRICT)); if (header_len > sizeof(header_buf) - 1) die(_("tag header too big.")); if (!opt->message_given) { 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 (!is_null_sha1(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); 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); } } 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; 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; unsigned char object[20], prev[20]; 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; 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; const char *format = NULL; 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('m', "message", &msg, N_("message"), N_("tag message"), parse_msg_arg), OPT_FILENAME('F', "file", &msgfile, N_("read message from file")), OPT_BOOL('s', "sign", &opt.sign, N_("annotated and GPG-signed tag")), OPT_STRING(0, "cleanup", &cleanup_arg, N_("mode"), N_("how to strip spaces and #comments from message")), 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")), 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_WITH(&filter.with_commit, N_("print only tags that 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_CALLBACK(0 , "sort", sorting_tail, N_("key"), N_("field name to sort on"), &parse_opt_ref_sorting), { OPTION_CALLBACK, 0, "points-at", &filter.points_at, N_("object"), N_("print only tags of the object"), 0, parse_opt_object_name }, OPT_STRING( 0 , "format", &format, N_("format"), N_("format to use for the output")), OPT_END() }; git_config(git_tag_config, sorting_tail); memset(&opt, 0, sizeof(opt)); memset(&filter, 0, sizeof(filter)); filter.lines = -1; argc = parse_options(argc, argv, prefix, options, git_tag_usage, 0); if (keyid) { opt.sign = 1; set_signing_key(keyid); } if (opt.sign) annotate = 1; if (argc == 0 && !cmdmode) cmdmode = 'l'; if ((annotate || msg.given || msgfile || 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(); 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 with -l.")); if (filter.with_commit) die(_("--contains option is only allowed with -l.")); if (filter.points_at.nr) die(_("--points-at option is only allowed with -l.")); if (filter.merge_commit) die(_("--merged and --no-merged option are only allowed with -l")); if (cmdmode == 'd') return for_each_tag_name(argv, delete_tag); if (cmdmode == 'v') return for_each_tag_name(argv, verify_tag); if (msg.given || msgfile) { if (msg.given && msgfile) die(_("only one -F or -m option is allowed.")); annotate = 1; 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 params")); if (get_sha1(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)) hashclr(prev); else if (!force) die(_("tag '%s' already exists"), tag); opt.message_given = msg.given || msgfile; 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); if (annotate) create_tag(object, 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, NULL, &err) || ref_transaction_commit(transaction, &err)) die("%s", err.buf); ref_transaction_free(transaction); if (force && !is_null_sha1(prev) && hashcmp(prev, object)) printf(_("Updated tag '%s' (was %s)\n"), tag, find_unique_abbrev(prev, DEFAULT_ABBREV)); strbuf_release(&err); strbuf_release(&buf); strbuf_release(&ref); return 0; }