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Diffstat (limited to 'builtin/tag.c')
-rw-r--r--builtin/tag.c233
1 files changed, 154 insertions, 79 deletions
diff --git a/builtin/tag.c b/builtin/tag.c
index 31f02e80f6..af3af3f649 100644
--- a/builtin/tag.c
+++ b/builtin/tag.c
@@ -15,12 +15,15 @@
#include "diff.h"
#include "revision.h"
#include "gpg-interface.h"
+#include "sha1-array.h"
+#include "column.h"
static const char * const git_tag_usage[] = {
- "git tag [-a|-s|-u <key-id>] [-f] [-m <msg>|-F <file>] <tagname> [<head>]",
- "git tag -d <tagname>...",
- "git tag -l [-n[<num>]] [<pattern>...]",
- "git tag -v <tagname>...",
+ 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
};
@@ -30,6 +33,9 @@ struct tag_filter {
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 */
@@ -41,6 +47,24 @@ static int match_pattern(const char **patterns, const char *ref)
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)
@@ -83,18 +107,51 @@ 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)) {
- int i;
- unsigned long size;
- enum object_type type;
- char *buf, *sp, *eol;
- size_t len;
-
if (filter->with_commit) {
struct commit *commit;
@@ -105,38 +162,16 @@ static int show_reference(const char *refname, const unsigned char *sha1,
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);
-
- buf = read_sha1_file(sha1, &type, &size);
- if (!buf || !size)
- return 0;
-
- /* skip header */
- sp = strstr(buf, "\n\n");
- if (!sp) {
- free(buf);
- return 0;
- }
- /* only take up to "lines" lines, and strip the signature */
- size = parse_signature(buf, size);
- for (i = 0, sp += 2;
- i < filter->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;
- }
+ show_tag_lines(sha1, filter->lines);
putchar('\n');
- free(buf);
}
return 0;
@@ -211,25 +246,21 @@ static int do_sign(struct strbuf *buffer)
}
static const char tag_template[] =
- N_("\n"
- "#\n"
- "# Write a tag message\n"
- "# Lines starting with '#' will be ignored.\n"
- "#\n");
+ N_("\nWrite a tag message\n"
+ "Lines starting with '%c' will be ignored.\n");
static const char tag_template_nocleanup[] =
- N_("\n"
- "#\n"
- "# Write a tag message\n"
- "# Lines starting with '#' will be kept; you may remove them"
- " yourself if you want to.\n"
- "#\n");
+ 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);
}
@@ -295,7 +326,7 @@ static void create_tag(const unsigned char *object, const char *tag,
sha1_to_hex(object),
typename(type),
tag,
- git_committer_info(IDENT_ERROR_ON_NO_NAME));
+ git_committer_info(IDENT_STRICT));
if (header_len > sizeof(header_buf) - 1)
die(_("tag header too big."));
@@ -309,14 +340,18 @@ static void create_tag(const unsigned char *object, const char *tag,
if (fd < 0)
die_errno(_("could not create file '%s'"), path);
- if (!is_null_sha1(prev))
+ if (!is_null_sha1(prev)) {
write_tag_body(fd, prev);
- else if (opt->cleanup_mode == CLEANUP_ALL)
- write_or_die(fd, _(tag_template),
- strlen(_(tag_template)));
- else
- write_or_die(fd, _(tag_template_nocleanup),
- strlen(_(tag_template_nocleanup)));
+ } 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)) {
@@ -375,6 +410,23 @@ static int strbuf_check_tag_ref(struct strbuf *sb, const char *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;
@@ -390,33 +442,38 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
struct msg_arg msg = { 0, STRBUF_INIT };
struct commit_list *with_commit = NULL;
struct option options[] = {
- OPT_BOOLEAN('l', "list", &list, "list tag names"),
- { OPTION_INTEGER, 'n', NULL, &lines, "n",
- "print <n> lines of each tag message",
+ 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, "delete tags"),
- OPT_BOOLEAN('v', "verify", &verify, "verify tags"),
+ OPT_BOOLEAN('d', "delete", &delete, N_("delete tags")),
+ OPT_BOOLEAN('v', "verify", &verify, N_("verify tags")),
- OPT_GROUP("Tag creation options"),
+ OPT_GROUP(N_("Tag creation options")),
OPT_BOOLEAN('a', "annotate", &annotate,
- "annotated tag, needs a message"),
- OPT_CALLBACK('m', "message", &msg, "message",
- "tag message", parse_msg_arg),
- OPT_FILENAME('F', "file", &msgfile, "read message from file"),
- OPT_BOOLEAN('s', "sign", &opt.sign, "annotated and GPG-signed tag"),
- OPT_STRING(0, "cleanup", &cleanup_arg, "mode",
- "how to strip spaces and #comments from message"),
- OPT_STRING('u', "local-user", &keyid, "key-id",
- "use another key to sign the tag"),
- OPT__FORCE(&force, "replace the tag if exists"),
-
- OPT_GROUP("Tag listing options"),
+ 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, "commit",
- "print only tags that contain the commit",
+ 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()
};
@@ -441,13 +498,31 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
if (list + delete + verify > 1)
usage_with_options(git_tag_usage, options);
- if (list)
- return list_tags(argv, lines == -1 ? 0 : lines,
- with_commit);
+ 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)
@@ -507,7 +582,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
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 && hashcmp(prev, object))
+ 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);