mirror of
https://github.com/git/git.git
synced 2024-11-14 13:13:01 +01:00
9e72a56699
"git tag -f <tag>" always said "Updated tag '<tag>'" even when creating a new tag (i.e. not overwriting nor updating). * ph/tag-force-no-warn-on-creation: tag: --force does not have to warn when creating tags
591 lines
15 KiB
C
591 lines
15 KiB
C
/*
|
|
* Builtin "git tag"
|
|
*
|
|
* Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com>,
|
|
* Carlos Rica <jasampler@gmail.com>
|
|
* 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"
|
|
|
|
static const char * const git_tag_usage[] = {
|
|
N_("git tag [-a|-s|-u <key-id>] [-f] [-m <msg>|-F <file>] <tagname> [<head>]"),
|
|
N_("git tag -d <tagname>..."),
|
|
N_("git tag -l [-n[<num>]] [--contains <commit>] [--points-at <object>] "
|
|
"\n\t\t[<pattern>...]"),
|
|
N_("git tag -v <tagname>..."),
|
|
NULL
|
|
};
|
|
|
|
struct tag_filter {
|
|
const char **patterns;
|
|
int lines;
|
|
struct commit_list *with_commit;
|
|
};
|
|
|
|
static struct sha1_array points_at;
|
|
static unsigned int colopts;
|
|
|
|
static int match_pattern(const char **patterns, const char *ref)
|
|
{
|
|
/* no pattern means match everything */
|
|
if (!*patterns)
|
|
return 1;
|
|
for (; *patterns; patterns++)
|
|
if (!fnmatch(*patterns, ref, 0))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
static const unsigned char *match_points_at(const char *refname,
|
|
const unsigned char *sha1)
|
|
{
|
|
const unsigned char *tagged_sha1 = NULL;
|
|
struct object *obj;
|
|
|
|
if (sha1_array_lookup(&points_at, sha1) >= 0)
|
|
return sha1;
|
|
obj = parse_object(sha1);
|
|
if (!obj)
|
|
die(_("malformed object at '%s'"), refname);
|
|
if (obj->type == OBJ_TAG)
|
|
tagged_sha1 = ((struct tag *)obj)->tagged->sha1;
|
|
if (tagged_sha1 && sha1_array_lookup(&points_at, tagged_sha1) >= 0)
|
|
return tagged_sha1;
|
|
return NULL;
|
|
}
|
|
|
|
static int in_commit_list(const struct commit_list *want, struct commit *c)
|
|
{
|
|
for (; want; want = want->next)
|
|
if (!hashcmp(want->item->object.sha1, c->object.sha1))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
static int contains_recurse(struct commit *candidate,
|
|
const struct commit_list *want)
|
|
{
|
|
struct commit_list *p;
|
|
|
|
/* was it previously marked as containing a want commit? */
|
|
if (candidate->object.flags & TMP_MARK)
|
|
return 1;
|
|
/* or marked as not possibly containing a want commit? */
|
|
if (candidate->object.flags & UNINTERESTING)
|
|
return 0;
|
|
/* or are we it? */
|
|
if (in_commit_list(want, candidate))
|
|
return 1;
|
|
|
|
if (parse_commit(candidate) < 0)
|
|
return 0;
|
|
|
|
/* Otherwise recurse and mark ourselves for future traversals. */
|
|
for (p = candidate->parents; p; p = p->next) {
|
|
if (contains_recurse(p->item, want)) {
|
|
candidate->object.flags |= TMP_MARK;
|
|
return 1;
|
|
}
|
|
}
|
|
candidate->object.flags |= UNINTERESTING;
|
|
return 0;
|
|
}
|
|
|
|
static int contains(struct commit *candidate, const struct commit_list *want)
|
|
{
|
|
return contains_recurse(candidate, want);
|
|
}
|
|
|
|
static void show_tag_lines(const unsigned char *sha1, int lines)
|
|
{
|
|
int i;
|
|
unsigned long size;
|
|
enum object_type type;
|
|
char *buf, *sp, *eol;
|
|
size_t len;
|
|
|
|
buf = read_sha1_file(sha1, &type, &size);
|
|
if (!buf)
|
|
die_errno("unable to read object %s", sha1_to_hex(sha1));
|
|
if (type != OBJ_COMMIT && type != OBJ_TAG)
|
|
goto free_return;
|
|
if (!size)
|
|
die("an empty %s object %s?",
|
|
typename(type), sha1_to_hex(sha1));
|
|
|
|
/* skip header */
|
|
sp = strstr(buf, "\n\n");
|
|
if (!sp)
|
|
goto free_return;
|
|
|
|
/* only take up to "lines" lines, and strip the signature from a tag */
|
|
if (type == OBJ_TAG)
|
|
size = parse_signature(buf, size);
|
|
for (i = 0, sp += 2; i < lines && sp < buf + size; i++) {
|
|
if (i)
|
|
printf("\n ");
|
|
eol = memchr(sp, '\n', size - (sp - buf));
|
|
len = eol ? eol - sp : size - (sp - buf);
|
|
fwrite(sp, len, 1, stdout);
|
|
if (!eol)
|
|
break;
|
|
sp = eol + 1;
|
|
}
|
|
free_return:
|
|
free(buf);
|
|
}
|
|
|
|
static int show_reference(const char *refname, const unsigned char *sha1,
|
|
int flag, void *cb_data)
|
|
{
|
|
struct tag_filter *filter = cb_data;
|
|
|
|
if (match_pattern(filter->patterns, refname)) {
|
|
if (filter->with_commit) {
|
|
struct commit *commit;
|
|
|
|
commit = lookup_commit_reference_gently(sha1, 1);
|
|
if (!commit)
|
|
return 0;
|
|
if (!contains(commit, filter->with_commit))
|
|
return 0;
|
|
}
|
|
|
|
if (points_at.nr && !match_points_at(refname, sha1))
|
|
return 0;
|
|
|
|
if (!filter->lines) {
|
|
printf("%s\n", refname);
|
|
return 0;
|
|
}
|
|
printf("%-15s ", refname);
|
|
show_tag_lines(sha1, filter->lines);
|
|
putchar('\n');
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int list_tags(const char **patterns, int lines,
|
|
struct commit_list *with_commit)
|
|
{
|
|
struct tag_filter filter;
|
|
|
|
filter.patterns = patterns;
|
|
filter.lines = lines;
|
|
filter.with_commit = with_commit;
|
|
|
|
for_each_tag_ref(show_reference, (void *) &filter);
|
|
|
|
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 tag message\n"
|
|
"Lines starting with '%c' will be ignored.\n");
|
|
|
|
static const char tag_template_nocleanup[] =
|
|
N_("\nWrite a tag message\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 = git_gpg_config(var, value, cb);
|
|
if (status)
|
|
return status;
|
|
if (!prefixcmp(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), comment_line_char);
|
|
else
|
|
strbuf_commented_addf(&buf, _(tag_template_nocleanup), 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)
|
|
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);
|
|
}
|
|
|
|
static int parse_opt_points_at(const struct option *opt __attribute__((unused)),
|
|
const char *arg, int unset)
|
|
{
|
|
unsigned char sha1[20];
|
|
|
|
if (unset) {
|
|
sha1_array_clear(&points_at);
|
|
return 0;
|
|
}
|
|
if (!arg)
|
|
return error(_("switch 'points-at' requires an object"));
|
|
if (get_sha1(arg, sha1))
|
|
return error(_("malformed object name '%s'"), arg);
|
|
sha1_array_append(&points_at, sha1);
|
|
return 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 ref_lock *lock;
|
|
struct create_tag_options opt;
|
|
char *cleanup_arg = NULL;
|
|
int annotate = 0, force = 0, lines = -1, list = 0,
|
|
delete = 0, verify = 0;
|
|
const char *msgfile = NULL, *keyid = NULL;
|
|
struct msg_arg msg = { 0, STRBUF_INIT };
|
|
struct commit_list *with_commit = NULL;
|
|
struct option options[] = {
|
|
OPT_BOOLEAN('l', "list", &list, N_("list tag names")),
|
|
{ OPTION_INTEGER, 'n', NULL, &lines, N_("n"),
|
|
N_("print <n> lines of each tag message"),
|
|
PARSE_OPT_OPTARG, NULL, 1 },
|
|
OPT_BOOLEAN('d', "delete", &delete, N_("delete tags")),
|
|
OPT_BOOLEAN('v', "verify", &verify, N_("verify tags")),
|
|
|
|
OPT_GROUP(N_("Tag creation options")),
|
|
OPT_BOOLEAN('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_BOOLEAN('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_COLUMN(0, "column", &colopts, N_("show tag list in columns")),
|
|
|
|
OPT_GROUP(N_("Tag listing options")),
|
|
{
|
|
OPTION_CALLBACK, 0, "contains", &with_commit, N_("commit"),
|
|
N_("print only tags that contain the commit"),
|
|
PARSE_OPT_LASTARG_DEFAULT,
|
|
parse_opt_with_commit, (intptr_t)"HEAD",
|
|
},
|
|
{
|
|
OPTION_CALLBACK, 0, "points-at", NULL, N_("object"),
|
|
N_("print only tags of the object"), 0, parse_opt_points_at
|
|
},
|
|
OPT_END()
|
|
};
|
|
|
|
git_config(git_tag_config, NULL);
|
|
|
|
memset(&opt, 0, sizeof(opt));
|
|
|
|
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 && !(delete || verify))
|
|
list = 1;
|
|
|
|
if ((annotate || msg.given || msgfile || force) &&
|
|
(list || delete || verify))
|
|
usage_with_options(git_tag_usage, options);
|
|
|
|
if (list + delete + verify > 1)
|
|
usage_with_options(git_tag_usage, options);
|
|
finalize_colopts(&colopts, -1);
|
|
if (list && lines != -1) {
|
|
if (explicitly_enable_column(colopts))
|
|
die(_("--column and -n are incompatible"));
|
|
colopts = 0;
|
|
}
|
|
if (list) {
|
|
int ret;
|
|
if (column_active(colopts)) {
|
|
struct column_options copts;
|
|
memset(&copts, 0, sizeof(copts));
|
|
copts.padding = 2;
|
|
run_column_filter(colopts, &copts);
|
|
}
|
|
ret = list_tags(argv, lines == -1 ? 0 : lines, with_commit);
|
|
if (column_active(colopts))
|
|
stop_column_filter();
|
|
return ret;
|
|
}
|
|
if (lines != -1)
|
|
die(_("-n option is only allowed with -l."));
|
|
if (with_commit)
|
|
die(_("--contains option is only allowed with -l."));
|
|
if (points_at.nr)
|
|
die(_("--points-at option is only allowed with -l."));
|
|
if (delete)
|
|
return for_each_tag_name(argv, delete_tag);
|
|
if (verify)
|
|
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);
|
|
|
|
lock = lock_any_ref_for_update(ref.buf, prev, 0);
|
|
if (!lock)
|
|
die(_("%s: cannot lock the ref"), ref.buf);
|
|
if (write_ref_sha1(lock, object, NULL) < 0)
|
|
die(_("%s: cannot update the ref"), ref.buf);
|
|
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(&buf);
|
|
strbuf_release(&ref);
|
|
return 0;
|
|
}
|