зеркало из https://github.com/microsoft/git.git
573 строки
15 KiB
C
573 строки
15 KiB
C
/*
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* Builtin "git tag"
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*
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* Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com>,
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* Carlos Rica <jasampler@gmail.com>
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* Based on git-tag.sh and mktag.c by Linus Torvalds.
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*/
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#include "cache.h"
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#include "builtin.h"
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#include "refs.h"
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#include "tag.h"
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#include "run-command.h"
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#include "parse-options.h"
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#include "diff.h"
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#include "revision.h"
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#include "gpg-interface.h"
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#include "sha1-array.h"
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#include "column.h"
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#include "ref-filter.h"
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static const char * const git_tag_usage[] = {
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N_("git tag [-a | -s | -u <key-id>] [-f] [-m <msg> | -F <file>] <tagname> [<head>]"),
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N_("git tag -d <tagname>..."),
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N_("git tag -l [-n[<num>]] [--contains <commit>] [--points-at <object>]"
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"\n\t\t[--format=<format>] [--[no-]merged [<commit>]] [<pattern>...]"),
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N_("git tag -v [--format=<format>] <tagname>..."),
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NULL
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};
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static unsigned int colopts;
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static int force_sign_annotate;
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static int list_tags(struct ref_filter *filter, struct ref_sorting *sorting, const char *format)
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{
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struct ref_array array;
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char *to_free = NULL;
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int i;
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memset(&array, 0, sizeof(array));
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if (filter->lines == -1)
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filter->lines = 0;
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if (!format) {
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if (filter->lines) {
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to_free = xstrfmt("%s %%(contents:lines=%d)",
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"%(align:15)%(refname:lstrip=2)%(end)",
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filter->lines);
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format = to_free;
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} else
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format = "%(refname:lstrip=2)";
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}
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verify_ref_format(format);
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filter->with_commit_tag_algo = 1;
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filter_refs(&array, filter, FILTER_REFS_TAGS);
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ref_array_sort(sorting, &array);
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for (i = 0; i < array.nr; i++)
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show_ref_array_item(array.items[i], format, 0);
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ref_array_clear(&array);
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free(to_free);
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return 0;
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}
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typedef int (*each_tag_name_fn)(const char *name, const char *ref,
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const unsigned char *sha1, const void *cb_data);
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static int for_each_tag_name(const char **argv, each_tag_name_fn fn,
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const void *cb_data)
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{
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const char **p;
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char ref[PATH_MAX];
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int had_error = 0;
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unsigned char sha1[20];
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for (p = argv; *p; p++) {
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if (snprintf(ref, sizeof(ref), "refs/tags/%s", *p)
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>= sizeof(ref)) {
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error(_("tag name too long: %.*s..."), 50, *p);
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had_error = 1;
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continue;
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}
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if (read_ref(ref, sha1)) {
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error(_("tag '%s' not found."), *p);
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had_error = 1;
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continue;
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}
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if (fn(*p, ref, sha1, cb_data))
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had_error = 1;
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}
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return had_error;
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}
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static int delete_tag(const char *name, const char *ref,
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const unsigned char *sha1, const void *cb_data)
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{
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if (delete_ref(NULL, ref, sha1, 0))
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return 1;
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printf(_("Deleted tag '%s' (was %s)\n"), name, find_unique_abbrev(sha1, DEFAULT_ABBREV));
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return 0;
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}
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static int verify_tag(const char *name, const char *ref,
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const unsigned char *sha1, const void *cb_data)
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{
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int flags;
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const char *fmt_pretty = cb_data;
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flags = GPG_VERIFY_VERBOSE;
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if (fmt_pretty)
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flags = GPG_VERIFY_OMIT_STATUS;
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if (gpg_verify_tag(sha1, name, flags))
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return -1;
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if (fmt_pretty)
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pretty_print_ref(name, sha1, fmt_pretty);
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return 0;
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}
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static int do_sign(struct strbuf *buffer)
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{
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return sign_buffer(buffer, buffer, get_signing_key());
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}
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static const char tag_template[] =
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N_("\nWrite a message for tag:\n %s\n"
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"Lines starting with '%c' will be ignored.\n");
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static const char tag_template_nocleanup[] =
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N_("\nWrite a message for tag:\n %s\n"
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"Lines starting with '%c' will be kept; you may remove them"
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" yourself if you want to.\n");
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/* Parse arg given and add it the ref_sorting array */
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static int parse_sorting_string(const char *arg, struct ref_sorting **sorting_tail)
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{
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struct ref_sorting *s;
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int len;
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s = xcalloc(1, sizeof(*s));
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s->next = *sorting_tail;
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*sorting_tail = s;
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if (*arg == '-') {
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s->reverse = 1;
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arg++;
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}
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if (skip_prefix(arg, "version:", &arg) ||
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skip_prefix(arg, "v:", &arg))
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s->version = 1;
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len = strlen(arg);
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s->atom = parse_ref_filter_atom(arg, arg+len);
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return 0;
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}
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static int git_tag_config(const char *var, const char *value, void *cb)
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{
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int status;
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struct ref_sorting **sorting_tail = (struct ref_sorting **)cb;
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if (!strcmp(var, "tag.sort")) {
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if (!value)
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return config_error_nonbool(var);
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parse_sorting_string(value, sorting_tail);
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return 0;
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}
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status = git_gpg_config(var, value, cb);
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if (status)
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return status;
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if (!strcmp(var, "tag.forcesignannotated")) {
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force_sign_annotate = git_config_bool(var, value);
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return 0;
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}
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if (starts_with(var, "column."))
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return git_column_config(var, value, "tag", &colopts);
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return git_default_config(var, value, cb);
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}
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static void write_tag_body(int fd, const unsigned char *sha1)
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{
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unsigned long size;
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enum object_type type;
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char *buf, *sp;
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buf = read_sha1_file(sha1, &type, &size);
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if (!buf)
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return;
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/* skip header */
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sp = strstr(buf, "\n\n");
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if (!sp || !size || type != OBJ_TAG) {
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free(buf);
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return;
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}
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sp += 2; /* skip the 2 LFs */
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write_or_die(fd, sp, parse_signature(sp, buf + size - sp));
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free(buf);
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}
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static int build_tag_object(struct strbuf *buf, int sign, unsigned char *result)
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{
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if (sign && do_sign(buf) < 0)
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return error(_("unable to sign the tag"));
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if (write_sha1_file(buf->buf, buf->len, tag_type, result) < 0)
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return error(_("unable to write tag file"));
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return 0;
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}
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struct create_tag_options {
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unsigned int message_given:1;
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unsigned int sign;
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enum {
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CLEANUP_NONE,
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CLEANUP_SPACE,
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CLEANUP_ALL
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} cleanup_mode;
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};
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static void create_tag(const unsigned char *object, const char *tag,
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struct strbuf *buf, struct create_tag_options *opt,
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unsigned char *prev, unsigned char *result)
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{
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enum object_type type;
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char header_buf[1024];
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int header_len;
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char *path = NULL;
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type = sha1_object_info(object, NULL);
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if (type <= OBJ_NONE)
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die(_("bad object type."));
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header_len = snprintf(header_buf, sizeof(header_buf),
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"object %s\n"
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"type %s\n"
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"tag %s\n"
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"tagger %s\n\n",
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sha1_to_hex(object),
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typename(type),
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tag,
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git_committer_info(IDENT_STRICT));
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if (header_len > sizeof(header_buf) - 1)
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die(_("tag header too big."));
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if (!opt->message_given) {
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int fd;
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/* write the template message before editing: */
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path = git_pathdup("TAG_EDITMSG");
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fd = open(path, O_CREAT | O_TRUNC | O_WRONLY, 0600);
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if (fd < 0)
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die_errno(_("could not create file '%s'"), path);
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if (!is_null_sha1(prev)) {
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write_tag_body(fd, prev);
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} else {
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struct strbuf buf = STRBUF_INIT;
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strbuf_addch(&buf, '\n');
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if (opt->cleanup_mode == CLEANUP_ALL)
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strbuf_commented_addf(&buf, _(tag_template), tag, comment_line_char);
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else
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strbuf_commented_addf(&buf, _(tag_template_nocleanup), tag, comment_line_char);
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write_or_die(fd, buf.buf, buf.len);
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strbuf_release(&buf);
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}
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close(fd);
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if (launch_editor(path, buf, NULL)) {
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fprintf(stderr,
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_("Please supply the message using either -m or -F option.\n"));
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exit(1);
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}
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}
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if (opt->cleanup_mode != CLEANUP_NONE)
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strbuf_stripspace(buf, opt->cleanup_mode == CLEANUP_ALL);
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if (!opt->message_given && !buf->len)
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die(_("no tag message?"));
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strbuf_insert(buf, 0, header_buf, header_len);
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if (build_tag_object(buf, opt->sign, result) < 0) {
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if (path)
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fprintf(stderr, _("The tag message has been left in %s\n"),
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path);
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exit(128);
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}
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if (path) {
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unlink_or_warn(path);
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free(path);
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}
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}
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static void create_reflog_msg(const unsigned char *sha1, struct strbuf *sb)
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{
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enum object_type type;
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struct commit *c;
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char *buf;
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unsigned long size;
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int subject_len = 0;
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const char *subject_start;
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char *rla = getenv("GIT_REFLOG_ACTION");
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if (rla) {
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strbuf_addstr(sb, rla);
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} else {
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strbuf_addstr(sb, _("tag: tagging "));
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strbuf_add_unique_abbrev(sb, sha1, DEFAULT_ABBREV);
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}
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strbuf_addstr(sb, " (");
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type = sha1_object_info(sha1, NULL);
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switch (type) {
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default:
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strbuf_addstr(sb, _("object of unknown type"));
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break;
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case OBJ_COMMIT:
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if ((buf = read_sha1_file(sha1, &type, &size)) != NULL) {
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subject_len = find_commit_subject(buf, &subject_start);
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strbuf_insert(sb, sb->len, subject_start, subject_len);
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} else {
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strbuf_addstr(sb, _("commit object"));
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}
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free(buf);
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if ((c = lookup_commit_reference(sha1)) != NULL)
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strbuf_addf(sb, ", %s", show_date(c->date, 0, DATE_MODE(SHORT)));
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break;
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case OBJ_TREE:
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strbuf_addstr(sb, _("tree object"));
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break;
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case OBJ_BLOB:
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strbuf_addstr(sb, _("blob object"));
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break;
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case OBJ_TAG:
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strbuf_addstr(sb, _("other tag object"));
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break;
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}
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strbuf_addch(sb, ')');
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}
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struct msg_arg {
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int given;
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struct strbuf buf;
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};
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static int parse_msg_arg(const struct option *opt, const char *arg, int unset)
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{
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struct msg_arg *msg = opt->value;
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if (!arg)
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return -1;
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if (msg->buf.len)
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strbuf_addstr(&(msg->buf), "\n\n");
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strbuf_addstr(&(msg->buf), arg);
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msg->given = 1;
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return 0;
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}
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static int strbuf_check_tag_ref(struct strbuf *sb, const char *name)
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{
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if (name[0] == '-')
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return -1;
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strbuf_reset(sb);
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strbuf_addf(sb, "refs/tags/%s", name);
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return check_refname_format(sb->buf, 0);
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}
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int cmd_tag(int argc, const char **argv, const char *prefix)
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{
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struct strbuf buf = STRBUF_INIT;
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struct strbuf ref = STRBUF_INIT;
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struct strbuf reflog_msg = STRBUF_INIT;
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unsigned char object[20], prev[20];
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const char *object_ref, *tag;
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struct create_tag_options opt;
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char *cleanup_arg = NULL;
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int create_reflog = 0;
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int annotate = 0, force = 0;
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int cmdmode = 0, create_tag_object = 0;
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const char *msgfile = NULL, *keyid = NULL;
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struct msg_arg msg = { 0, STRBUF_INIT };
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struct ref_transaction *transaction;
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struct strbuf err = STRBUF_INIT;
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struct ref_filter filter;
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static struct ref_sorting *sorting = NULL, **sorting_tail = &sorting;
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const char *format = NULL;
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int icase = 0;
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struct option options[] = {
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OPT_CMDMODE('l', "list", &cmdmode, N_("list tag names"), 'l'),
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{ OPTION_INTEGER, 'n', NULL, &filter.lines, N_("n"),
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N_("print <n> lines of each tag message"),
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PARSE_OPT_OPTARG, NULL, 1 },
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OPT_CMDMODE('d', "delete", &cmdmode, N_("delete tags"), 'd'),
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OPT_CMDMODE('v', "verify", &cmdmode, N_("verify tags"), 'v'),
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OPT_GROUP(N_("Tag creation options")),
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OPT_BOOL('a', "annotate", &annotate,
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N_("annotated tag, needs a message")),
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OPT_CALLBACK('m', "message", &msg, N_("message"),
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N_("tag message"), parse_msg_arg),
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OPT_FILENAME('F', "file", &msgfile, N_("read message from file")),
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OPT_BOOL('s', "sign", &opt.sign, N_("annotated and GPG-signed tag")),
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OPT_STRING(0, "cleanup", &cleanup_arg, N_("mode"),
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N_("how to strip spaces and #comments from message")),
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OPT_STRING('u', "local-user", &keyid, N_("key-id"),
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N_("use another key to sign the tag")),
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OPT__FORCE(&force, N_("replace the tag if exists")),
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OPT_BOOL(0, "create-reflog", &create_reflog, N_("create a reflog")),
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OPT_GROUP(N_("Tag listing options")),
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OPT_COLUMN(0, "column", &colopts, N_("show tag list in columns")),
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OPT_CONTAINS(&filter.with_commit, N_("print only tags that contain the commit")),
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OPT_WITH(&filter.with_commit, N_("print only tags that contain the commit")),
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OPT_MERGED(&filter, N_("print only tags that are merged")),
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OPT_NO_MERGED(&filter, N_("print only tags that are not merged")),
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OPT_CALLBACK(0 , "sort", sorting_tail, N_("key"),
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N_("field name to sort on"), &parse_opt_ref_sorting),
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{
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OPTION_CALLBACK, 0, "points-at", &filter.points_at, N_("object"),
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N_("print only tags of the object"), 0, parse_opt_object_name
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},
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OPT_STRING( 0 , "format", &format, N_("format"), N_("format to use for the output")),
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OPT_BOOL('i', "ignore-case", &icase, N_("sorting and filtering are case insensitive")),
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OPT_END()
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};
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setup_ref_filter_porcelain_msg();
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git_config(git_tag_config, sorting_tail);
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memset(&opt, 0, sizeof(opt));
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memset(&filter, 0, sizeof(filter));
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filter.lines = -1;
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argc = parse_options(argc, argv, prefix, options, git_tag_usage, 0);
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if (keyid) {
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opt.sign = 1;
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set_signing_key(keyid);
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}
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create_tag_object = (opt.sign || annotate || msg.given || msgfile);
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if (argc == 0 && !cmdmode)
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cmdmode = 'l';
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if ((create_tag_object || force) && (cmdmode != 0))
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usage_with_options(git_tag_usage, options);
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finalize_colopts(&colopts, -1);
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if (cmdmode == 'l' && filter.lines != -1) {
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if (explicitly_enable_column(colopts))
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die(_("--column and -n are incompatible"));
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colopts = 0;
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}
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if (!sorting)
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sorting = ref_default_sorting();
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sorting->ignore_case = icase;
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filter.ignore_case = icase;
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if (cmdmode == 'l') {
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int ret;
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if (column_active(colopts)) {
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struct column_options copts;
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memset(&copts, 0, sizeof(copts));
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copts.padding = 2;
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run_column_filter(colopts, &copts);
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}
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filter.name_patterns = argv;
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ret = list_tags(&filter, sorting, format);
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if (column_active(colopts))
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stop_column_filter();
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return ret;
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}
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if (filter.lines != -1)
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die(_("-n option is only allowed with -l."));
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if (filter.with_commit)
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die(_("--contains option is only allowed with -l."));
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if (filter.points_at.nr)
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die(_("--points-at option is only allowed with -l."));
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if (filter.merge_commit)
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die(_("--merged and --no-merged option are only allowed with -l"));
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if (cmdmode == 'd')
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return for_each_tag_name(argv, delete_tag, NULL);
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if (cmdmode == 'v') {
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if (format)
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verify_ref_format(format);
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return for_each_tag_name(argv, verify_tag, format);
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}
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|
|
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 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);
|
|
|
|
create_reflog_msg(object, &reflog_msg);
|
|
|
|
if (create_tag_object) {
|
|
if (force_sign_annotate && !annotate)
|
|
opt.sign = 1;
|
|
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,
|
|
reflog_msg.buf, &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);
|
|
strbuf_release(&reflog_msg);
|
|
return 0;
|
|
}
|