2007-07-20 01:42:28 +02:00
|
|
|
/*
|
|
|
|
|
* 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"
|
|
|
|
|
|
|
|
|
|
static const char builtin_tag_usage[] =
|
|
|
|
|
"git-tag [-n [<num>]] -l [<pattern>] | [-a | -s | -u <key-id>] [-f | -d | -v] [-m <msg> | -F <file>] <tagname> [<head>]";
|
|
|
|
|
|
|
|
|
|
static char signingkey[1000];
|
|
|
|
|
|
2007-09-10 12:35:09 +02:00
|
|
|
static void launch_editor(const char *path, struct strbuf *buffer)
|
2007-07-20 01:42:28 +02:00
|
|
|
{
|
|
|
|
|
const char *editor, *terminal;
|
|
|
|
|
struct child_process child;
|
|
|
|
|
const char *args[3];
|
|
|
|
|
|
2007-07-20 14:06:09 +02:00
|
|
|
editor = getenv("GIT_EDITOR");
|
|
|
|
|
if (!editor && editor_program)
|
|
|
|
|
editor = editor_program;
|
|
|
|
|
if (!editor)
|
|
|
|
|
editor = getenv("VISUAL");
|
2007-07-20 01:42:28 +02:00
|
|
|
if (!editor)
|
|
|
|
|
editor = getenv("EDITOR");
|
|
|
|
|
|
|
|
|
|
terminal = getenv("TERM");
|
|
|
|
|
if (!editor && (!terminal || !strcmp(terminal, "dumb"))) {
|
|
|
|
|
fprintf(stderr,
|
|
|
|
|
"Terminal is dumb but no VISUAL nor EDITOR defined.\n"
|
|
|
|
|
"Please supply the message using either -m or -F option.\n");
|
|
|
|
|
exit(1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (!editor)
|
|
|
|
|
editor = "vi";
|
|
|
|
|
|
|
|
|
|
memset(&child, 0, sizeof(child));
|
|
|
|
|
child.argv = args;
|
|
|
|
|
args[0] = editor;
|
|
|
|
|
args[1] = path;
|
|
|
|
|
args[2] = NULL;
|
|
|
|
|
|
|
|
|
|
if (run_command(&child))
|
|
|
|
|
die("There was a problem with the editor %s.", editor);
|
|
|
|
|
|
2007-09-27 15:25:55 +02:00
|
|
|
if (strbuf_read_file(buffer, path, 0) < 0)
|
2007-09-18 02:06:46 +02:00
|
|
|
die("could not read message file '%s': %s",
|
|
|
|
|
path, strerror(errno));
|
2007-07-20 01:42:28 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
struct tag_filter {
|
|
|
|
|
const char *pattern;
|
|
|
|
|
int lines;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#define PGP_SIGNATURE "-----BEGIN PGP SIGNATURE-----"
|
|
|
|
|
|
|
|
|
|
static int show_reference(const char *refname, const unsigned char *sha1,
|
|
|
|
|
int flag, void *cb_data)
|
|
|
|
|
{
|
|
|
|
|
struct tag_filter *filter = cb_data;
|
|
|
|
|
|
|
|
|
|
if (!fnmatch(filter->pattern, refname, 0)) {
|
|
|
|
|
int i;
|
|
|
|
|
unsigned long size;
|
|
|
|
|
enum object_type type;
|
|
|
|
|
char *buf, *sp, *eol;
|
|
|
|
|
size_t len;
|
|
|
|
|
|
|
|
|
|
if (!filter->lines) {
|
|
|
|
|
printf("%s\n", refname);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
printf("%-15s ", refname);
|
|
|
|
|
|
|
|
|
|
sp = buf = read_sha1_file(sha1, &type, &size);
|
2007-07-21 14:13:12 +02:00
|
|
|
if (!buf)
|
2007-07-20 01:42:28 +02:00
|
|
|
return 0;
|
2007-07-21 14:13:12 +02:00
|
|
|
if (!size) {
|
|
|
|
|
free(buf);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
2007-07-20 01:42:28 +02:00
|
|
|
/* skip header */
|
|
|
|
|
while (sp + 1 < buf + size &&
|
|
|
|
|
!(sp[0] == '\n' && sp[1] == '\n'))
|
|
|
|
|
sp++;
|
|
|
|
|
/* only take up to "lines" lines, and strip the signature */
|
2007-07-21 14:13:12 +02:00
|
|
|
for (i = 0, sp += 2;
|
|
|
|
|
i < filter->lines && sp < buf + size &&
|
2007-07-20 01:42:28 +02:00
|
|
|
prefixcmp(sp, PGP_SIGNATURE "\n");
|
|
|
|
|
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;
|
|
|
|
|
}
|
|
|
|
|
putchar('\n');
|
|
|
|
|
free(buf);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int list_tags(const char *pattern, int lines)
|
|
|
|
|
{
|
|
|
|
|
struct tag_filter filter;
|
|
|
|
|
|
|
|
|
|
if (pattern == NULL)
|
2007-09-01 07:10:09 +02:00
|
|
|
pattern = "*";
|
2007-07-20 01:42:28 +02:00
|
|
|
|
2007-09-01 07:10:09 +02:00
|
|
|
filter.pattern = pattern;
|
2007-07-20 01:42:28 +02:00
|
|
|
filter.lines = lines;
|
|
|
|
|
|
|
|
|
|
for_each_tag_ref(show_reference, (void *) &filter);
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
2007-07-21 14:13:12 +02:00
|
|
|
typedef int (*each_tag_name_fn)(const char *name, const char *ref,
|
2007-07-20 01:42:28 +02:00
|
|
|
const unsigned char *sha1);
|
|
|
|
|
|
2007-07-21 14:13:12 +02:00
|
|
|
static int for_each_tag_name(const char **argv, each_tag_name_fn fn)
|
2007-07-20 01:42:28 +02:00
|
|
|
{
|
|
|
|
|
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 (!resolve_ref(ref, sha1, 1, NULL)) {
|
|
|
|
|
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))
|
|
|
|
|
return 1;
|
|
|
|
|
printf("Deleted tag '%s'\n", name);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int verify_tag(const char *name, const char *ref,
|
|
|
|
|
const unsigned char *sha1)
|
|
|
|
|
{
|
|
|
|
|
const char *argv_verify_tag[] = {"git-verify-tag",
|
|
|
|
|
"-v", "SHA1_HEX", NULL};
|
|
|
|
|
argv_verify_tag[2] = sha1_to_hex(sha1);
|
|
|
|
|
|
|
|
|
|
if (run_command_v_opt(argv_verify_tag, 0))
|
|
|
|
|
return error("could not verify the tag '%s'", name);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
2007-09-10 12:35:09 +02:00
|
|
|
static int do_sign(struct strbuf *buffer)
|
2007-07-20 01:42:28 +02:00
|
|
|
{
|
|
|
|
|
struct child_process gpg;
|
|
|
|
|
const char *args[4];
|
|
|
|
|
char *bracket;
|
|
|
|
|
int len;
|
|
|
|
|
|
|
|
|
|
if (!*signingkey) {
|
|
|
|
|
if (strlcpy(signingkey, git_committer_info(1),
|
2007-07-21 14:13:12 +02:00
|
|
|
sizeof(signingkey)) > sizeof(signingkey) - 1)
|
2007-07-20 01:42:28 +02:00
|
|
|
return error("committer info too long.");
|
|
|
|
|
bracket = strchr(signingkey, '>');
|
|
|
|
|
if (bracket)
|
|
|
|
|
bracket[1] = '\0';
|
|
|
|
|
}
|
|
|
|
|
|
2007-09-09 02:39:29 +02:00
|
|
|
/* When the username signingkey is bad, program could be terminated
|
|
|
|
|
* because gpg exits without reading and then write gets SIGPIPE. */
|
|
|
|
|
signal(SIGPIPE, SIG_IGN);
|
|
|
|
|
|
2007-07-20 01:42:28 +02:00
|
|
|
memset(&gpg, 0, sizeof(gpg));
|
|
|
|
|
gpg.argv = args;
|
|
|
|
|
gpg.in = -1;
|
|
|
|
|
gpg.out = -1;
|
|
|
|
|
args[0] = "gpg";
|
|
|
|
|
args[1] = "-bsau";
|
|
|
|
|
args[2] = signingkey;
|
|
|
|
|
args[3] = NULL;
|
|
|
|
|
|
|
|
|
|
if (start_command(&gpg))
|
|
|
|
|
return error("could not run gpg.");
|
|
|
|
|
|
2007-09-10 12:35:09 +02:00
|
|
|
if (write_in_full(gpg.in, buffer->buf, buffer->len) != buffer->len) {
|
2007-09-09 02:39:29 +02:00
|
|
|
close(gpg.in);
|
|
|
|
|
finish_command(&gpg);
|
|
|
|
|
return error("gpg did not accept the tag data");
|
|
|
|
|
}
|
2007-07-20 01:42:28 +02:00
|
|
|
close(gpg.in);
|
|
|
|
|
gpg.close_in = 0;
|
2007-09-10 12:35:09 +02:00
|
|
|
len = strbuf_read(buffer, gpg.out, 1024);
|
2007-07-20 01:42:28 +02:00
|
|
|
|
2007-09-09 02:39:29 +02:00
|
|
|
if (finish_command(&gpg) || !len || len < 0)
|
|
|
|
|
return error("gpg failed to sign the tag");
|
2007-07-20 01:42:28 +02:00
|
|
|
|
2007-09-10 12:35:09 +02:00
|
|
|
if (len < 0)
|
2007-07-20 01:42:28 +02:00
|
|
|
return error("could not read the entire signature from gpg.");
|
|
|
|
|
|
2007-09-10 12:35:09 +02:00
|
|
|
return 0;
|
2007-07-20 01:42:28 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static const char tag_template[] =
|
|
|
|
|
"\n"
|
|
|
|
|
"#\n"
|
|
|
|
|
"# Write a tag message\n"
|
|
|
|
|
"#\n";
|
|
|
|
|
|
|
|
|
|
static int git_tag_config(const char *var, const char *value)
|
|
|
|
|
{
|
|
|
|
|
if (!strcmp(var, "user.signingkey")) {
|
|
|
|
|
if (!value)
|
|
|
|
|
die("user.signingkey without value");
|
|
|
|
|
if (strlcpy(signingkey, value, sizeof(signingkey))
|
|
|
|
|
>= sizeof(signingkey))
|
|
|
|
|
die("user.signingkey value too long");
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return git_default_config(var, value);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void create_tag(const unsigned char *object, const char *tag,
|
2007-09-10 12:35:09 +02:00
|
|
|
struct strbuf *buf, int message, int sign,
|
|
|
|
|
unsigned char *result)
|
2007-07-20 01:42:28 +02:00
|
|
|
{
|
|
|
|
|
enum object_type type;
|
2007-09-10 12:35:09 +02:00
|
|
|
char header_buf[1024];
|
|
|
|
|
int header_len;
|
2007-07-20 01:42:28 +02:00
|
|
|
|
|
|
|
|
type = sha1_object_info(object, NULL);
|
2007-07-21 14:13:12 +02:00
|
|
|
if (type <= OBJ_NONE)
|
2007-07-20 01:42:28 +02:00
|
|
|
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(1));
|
|
|
|
|
|
2007-07-21 14:13:12 +02:00
|
|
|
if (header_len > sizeof(header_buf) - 1)
|
2007-07-20 01:42:28 +02:00
|
|
|
die("tag header too big.");
|
|
|
|
|
|
|
|
|
|
if (!message) {
|
|
|
|
|
char *path;
|
|
|
|
|
int fd;
|
|
|
|
|
|
|
|
|
|
/* write the template message before editing: */
|
|
|
|
|
path = xstrdup(git_path("TAG_EDITMSG"));
|
|
|
|
|
fd = open(path, O_CREAT | O_TRUNC | O_WRONLY, 0600);
|
|
|
|
|
if (fd < 0)
|
|
|
|
|
die("could not create file '%s': %s",
|
|
|
|
|
path, strerror(errno));
|
|
|
|
|
write_or_die(fd, tag_template, strlen(tag_template));
|
|
|
|
|
close(fd);
|
|
|
|
|
|
2007-09-10 12:35:09 +02:00
|
|
|
launch_editor(path, buf);
|
2007-07-20 01:42:28 +02:00
|
|
|
|
|
|
|
|
unlink(path);
|
|
|
|
|
free(path);
|
|
|
|
|
}
|
|
|
|
|
|
2007-09-18 02:06:45 +02:00
|
|
|
stripspace(buf, 1);
|
2007-07-20 01:42:28 +02:00
|
|
|
|
2007-09-10 12:35:09 +02:00
|
|
|
if (!message && !buf->len)
|
2007-07-20 01:42:28 +02:00
|
|
|
die("no tag message?");
|
|
|
|
|
|
2007-09-10 12:35:09 +02:00
|
|
|
strbuf_insert(buf, 0, header_buf, header_len);
|
2007-07-20 01:42:28 +02:00
|
|
|
|
2007-09-10 12:35:09 +02:00
|
|
|
if (sign && do_sign(buf) < 0)
|
|
|
|
|
die("unable to sign the tag");
|
|
|
|
|
if (write_sha1_file(buf->buf, buf->len, tag_type, result) < 0)
|
2007-07-20 01:42:28 +02:00
|
|
|
die("unable to write tag file");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int cmd_tag(int argc, const char **argv, const char *prefix)
|
|
|
|
|
{
|
2007-09-10 12:35:09 +02:00
|
|
|
struct strbuf buf;
|
2007-07-20 01:42:28 +02:00
|
|
|
unsigned char object[20], prev[20];
|
2007-09-10 12:35:09 +02:00
|
|
|
int annotate = 0, sign = 0, force = 0, lines = 0, message = 0;
|
2007-07-20 01:42:28 +02:00
|
|
|
char ref[PATH_MAX];
|
|
|
|
|
const char *object_ref, *tag;
|
|
|
|
|
int i;
|
|
|
|
|
struct ref_lock *lock;
|
|
|
|
|
|
|
|
|
|
git_config(git_tag_config);
|
2007-09-10 12:35:09 +02:00
|
|
|
strbuf_init(&buf, 0);
|
2007-07-20 01:42:28 +02:00
|
|
|
|
|
|
|
|
for (i = 1; i < argc; i++) {
|
|
|
|
|
const char *arg = argv[i];
|
|
|
|
|
|
|
|
|
|
if (arg[0] != '-')
|
|
|
|
|
break;
|
|
|
|
|
if (!strcmp(arg, "-a")) {
|
|
|
|
|
annotate = 1;
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
if (!strcmp(arg, "-s")) {
|
|
|
|
|
annotate = 1;
|
|
|
|
|
sign = 1;
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
if (!strcmp(arg, "-f")) {
|
|
|
|
|
force = 1;
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
if (!strcmp(arg, "-n")) {
|
|
|
|
|
if (i + 1 == argc || *argv[i + 1] == '-')
|
|
|
|
|
/* no argument */
|
|
|
|
|
lines = 1;
|
|
|
|
|
else
|
|
|
|
|
lines = isdigit(*argv[++i]) ?
|
|
|
|
|
atoi(argv[i]) : 1;
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
if (!strcmp(arg, "-m")) {
|
|
|
|
|
annotate = 1;
|
|
|
|
|
i++;
|
|
|
|
|
if (i == argc)
|
|
|
|
|
die("option -m needs an argument.");
|
2007-07-21 14:13:12 +02:00
|
|
|
if (message)
|
|
|
|
|
die("only one -F or -m option is allowed.");
|
2007-09-10 12:35:09 +02:00
|
|
|
strbuf_addstr(&buf, argv[i]);
|
|
|
|
|
message = 1;
|
2007-07-20 01:42:28 +02:00
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
if (!strcmp(arg, "-F")) {
|
|
|
|
|
annotate = 1;
|
|
|
|
|
i++;
|
|
|
|
|
if (i == argc)
|
|
|
|
|
die("option -F needs an argument.");
|
2007-07-21 14:13:12 +02:00
|
|
|
if (message)
|
|
|
|
|
die("only one -F or -m option is allowed.");
|
2007-07-20 01:42:28 +02:00
|
|
|
|
2007-09-27 15:25:55 +02:00
|
|
|
if (!strcmp(argv[i], "-")) {
|
|
|
|
|
if (strbuf_read(&buf, 0, 1024) < 0)
|
|
|
|
|
die("cannot read %s", argv[i]);
|
|
|
|
|
} else {
|
|
|
|
|
if (strbuf_read_file(&buf, argv[i], 1024) < 0)
|
|
|
|
|
die("could not open or read '%s': %s",
|
2007-07-20 01:42:28 +02:00
|
|
|
argv[i], strerror(errno));
|
|
|
|
|
}
|
2007-09-10 12:35:09 +02:00
|
|
|
message = 1;
|
2007-07-20 01:42:28 +02:00
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
if (!strcmp(arg, "-u")) {
|
|
|
|
|
annotate = 1;
|
|
|
|
|
sign = 1;
|
|
|
|
|
i++;
|
|
|
|
|
if (i == argc)
|
|
|
|
|
die("option -u needs an argument.");
|
|
|
|
|
if (strlcpy(signingkey, argv[i], sizeof(signingkey))
|
|
|
|
|
>= sizeof(signingkey))
|
|
|
|
|
die("argument to option -u too long");
|
|
|
|
|
continue;
|
|
|
|
|
}
|
2007-07-21 14:13:12 +02:00
|
|
|
if (!strcmp(arg, "-l"))
|
2007-07-20 01:42:28 +02:00
|
|
|
return list_tags(argv[i + 1], lines);
|
2007-07-21 14:13:12 +02:00
|
|
|
if (!strcmp(arg, "-d"))
|
|
|
|
|
return for_each_tag_name(argv + i + 1, delete_tag);
|
|
|
|
|
if (!strcmp(arg, "-v"))
|
|
|
|
|
return for_each_tag_name(argv + i + 1, verify_tag);
|
2007-07-20 01:42:28 +02:00
|
|
|
usage(builtin_tag_usage);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (i == argc) {
|
|
|
|
|
if (annotate)
|
|
|
|
|
usage(builtin_tag_usage);
|
|
|
|
|
return list_tags(NULL, lines);
|
|
|
|
|
}
|
|
|
|
|
tag = argv[i++];
|
|
|
|
|
|
|
|
|
|
object_ref = i < argc ? argv[i] : "HEAD";
|
|
|
|
|
if (i + 1 < argc)
|
|
|
|
|
die("too many params");
|
|
|
|
|
|
|
|
|
|
if (get_sha1(object_ref, object))
|
|
|
|
|
die("Failed to resolve '%s' as a valid ref.", object_ref);
|
|
|
|
|
|
2007-07-21 14:13:12 +02:00
|
|
|
if (snprintf(ref, sizeof(ref), "refs/tags/%s", tag) > sizeof(ref) - 1)
|
2007-07-20 01:42:28 +02:00
|
|
|
die("tag name too long: %.*s...", 50, tag);
|
|
|
|
|
if (check_ref_format(ref))
|
|
|
|
|
die("'%s' is not a valid tag name.", tag);
|
|
|
|
|
|
|
|
|
|
if (!resolve_ref(ref, prev, 1, NULL))
|
|
|
|
|
hashclr(prev);
|
|
|
|
|
else if (!force)
|
|
|
|
|
die("tag '%s' already exists", tag);
|
|
|
|
|
|
|
|
|
|
if (annotate)
|
2007-09-10 12:35:09 +02:00
|
|
|
create_tag(object, tag, &buf, message, sign, object);
|
2007-07-20 01:42:28 +02:00
|
|
|
|
|
|
|
|
lock = lock_any_ref_for_update(ref, prev, 0);
|
|
|
|
|
if (!lock)
|
|
|
|
|
die("%s: cannot lock the ref", ref);
|
|
|
|
|
if (write_ref_sha1(lock, object, NULL) < 0)
|
|
|
|
|
die("%s: cannot update the ref", ref);
|
|
|
|
|
|
2007-09-10 12:35:09 +02:00
|
|
|
strbuf_release(&buf);
|
2007-07-20 01:42:28 +02:00
|
|
|
return 0;
|
|
|
|
|
}
|
