Code

Merge branch 'fc/remote-seturl-usage-fix'
authorJunio C Hamano <gitster@pobox.com>
Wed, 9 Nov 2011 00:40:27 +0000 (16:40 -0800)
committerJunio C Hamano <gitster@pobox.com>
Wed, 9 Nov 2011 00:40:27 +0000 (16:40 -0800)
* fc/remote-seturl-usage-fix:
  remote: fix remote set-url usage

1  2 
builtin/remote.c

index 733514979969f69ad45448a67d981b621bbee146,0000000000000000000000000000000000000000..597bbfe5ead718a01b80d08a804fd8a6fc23e929
mode 100644,000000..100644
--- /dev/null
@@@ -1,1590 -1,0 +1,1590 @@@
-       argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
 +#include "builtin.h"
 +#include "parse-options.h"
 +#include "transport.h"
 +#include "remote.h"
 +#include "string-list.h"
 +#include "strbuf.h"
 +#include "run-command.h"
 +#include "refs.h"
 +
 +static const char * const builtin_remote_usage[] = {
 +      "git remote [-v | --verbose]",
 +      "git remote add [-t <branch>] [-m <master>] [-f] [--mirror=<fetch|push>] <name> <url>",
 +      "git remote rename <old> <new>",
 +      "git remote rm <name>",
 +      "git remote set-head <name> (-a | -d | <branch>)",
 +      "git remote [-v | --verbose] show [-n] <name>",
 +      "git remote prune [-n | --dry-run] <name>",
 +      "git remote [-v | --verbose] update [-p | --prune] [(<group> | <remote>)...]",
 +      "git remote set-branches <name> [--add] <branch>...",
 +      "git remote set-url <name> <newurl> [<oldurl>]",
 +      "git remote set-url --add <name> <newurl>",
 +      "git remote set-url --delete <name> <url>",
 +      NULL
 +};
 +
 +static const char * const builtin_remote_add_usage[] = {
 +      "git remote add [<options>] <name> <url>",
 +      NULL
 +};
 +
 +static const char * const builtin_remote_rename_usage[] = {
 +      "git remote rename <old> <new>",
 +      NULL
 +};
 +
 +static const char * const builtin_remote_rm_usage[] = {
 +      "git remote rm <name>",
 +      NULL
 +};
 +
 +static const char * const builtin_remote_sethead_usage[] = {
 +      "git remote set-head <name> (-a | -d | <branch>])",
 +      NULL
 +};
 +
 +static const char * const builtin_remote_setbranches_usage[] = {
 +      "git remote set-branches <name> <branch>...",
 +      "git remote set-branches --add <name> <branch>...",
 +      NULL
 +};
 +
 +static const char * const builtin_remote_show_usage[] = {
 +      "git remote show [<options>] <name>",
 +      NULL
 +};
 +
 +static const char * const builtin_remote_prune_usage[] = {
 +      "git remote prune [<options>] <name>",
 +      NULL
 +};
 +
 +static const char * const builtin_remote_update_usage[] = {
 +      "git remote update [<options>] [<group> | <remote>]...",
 +      NULL
 +};
 +
 +static const char * const builtin_remote_seturl_usage[] = {
 +      "git remote set-url [--push] <name> <newurl> [<oldurl>]",
 +      "git remote set-url --add <name> <newurl>",
 +      "git remote set-url --delete <name> <url>",
 +      NULL
 +};
 +
 +#define GET_REF_STATES (1<<0)
 +#define GET_HEAD_NAMES (1<<1)
 +#define GET_PUSH_REF_STATES (1<<2)
 +
 +static int verbose;
 +
 +static int show_all(void);
 +static int prune_remote(const char *remote, int dry_run);
 +
 +static inline int postfixcmp(const char *string, const char *postfix)
 +{
 +      int len1 = strlen(string), len2 = strlen(postfix);
 +      if (len1 < len2)
 +              return 1;
 +      return strcmp(string + len1 - len2, postfix);
 +}
 +
 +static int fetch_remote(const char *name)
 +{
 +      const char *argv[] = { "fetch", name, NULL, NULL };
 +      if (verbose) {
 +              argv[1] = "-v";
 +              argv[2] = name;
 +      }
 +      printf("Updating %s\n", name);
 +      if (run_command_v_opt(argv, RUN_GIT_CMD))
 +              return error("Could not fetch %s", name);
 +      return 0;
 +}
 +
 +enum {
 +      TAGS_UNSET = 0,
 +      TAGS_DEFAULT = 1,
 +      TAGS_SET = 2
 +};
 +
 +#define MIRROR_NONE 0
 +#define MIRROR_FETCH 1
 +#define MIRROR_PUSH 2
 +#define MIRROR_BOTH (MIRROR_FETCH|MIRROR_PUSH)
 +
 +static int add_branch(const char *key, const char *branchname,
 +              const char *remotename, int mirror, struct strbuf *tmp)
 +{
 +      strbuf_reset(tmp);
 +      strbuf_addch(tmp, '+');
 +      if (mirror)
 +              strbuf_addf(tmp, "refs/%s:refs/%s",
 +                              branchname, branchname);
 +      else
 +              strbuf_addf(tmp, "refs/heads/%s:refs/remotes/%s/%s",
 +                              branchname, remotename, branchname);
 +      return git_config_set_multivar(key, tmp->buf, "^$", 0);
 +}
 +
 +static const char mirror_advice[] =
 +"--mirror is dangerous and deprecated; please\n"
 +"\t use --mirror=fetch or --mirror=push instead";
 +
 +static int parse_mirror_opt(const struct option *opt, const char *arg, int not)
 +{
 +      unsigned *mirror = opt->value;
 +      if (not)
 +              *mirror = MIRROR_NONE;
 +      else if (!arg) {
 +              warning("%s", mirror_advice);
 +              *mirror = MIRROR_BOTH;
 +      }
 +      else if (!strcmp(arg, "fetch"))
 +              *mirror = MIRROR_FETCH;
 +      else if (!strcmp(arg, "push"))
 +              *mirror = MIRROR_PUSH;
 +      else
 +              return error("unknown mirror argument: %s", arg);
 +      return 0;
 +}
 +
 +static int add(int argc, const char **argv)
 +{
 +      int fetch = 0, fetch_tags = TAGS_DEFAULT;
 +      unsigned mirror = MIRROR_NONE;
 +      struct string_list track = STRING_LIST_INIT_NODUP;
 +      const char *master = NULL;
 +      struct remote *remote;
 +      struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
 +      const char *name, *url;
 +      int i;
 +
 +      struct option options[] = {
 +              OPT_BOOLEAN('f', "fetch", &fetch, "fetch the remote branches"),
 +              OPT_SET_INT(0, "tags", &fetch_tags,
 +                          "import all tags and associated objects when fetching",
 +                          TAGS_SET),
 +              OPT_SET_INT(0, NULL, &fetch_tags,
 +                          "or do not fetch any tag at all (--no-tags)", TAGS_UNSET),
 +              OPT_STRING_LIST('t', "track", &track, "branch",
 +                              "branch(es) to track"),
 +              OPT_STRING('m', "master", &master, "branch", "master branch"),
 +              { OPTION_CALLBACK, 0, "mirror", &mirror, "push|fetch",
 +                      "set up remote as a mirror to push to or fetch from",
 +                      PARSE_OPT_OPTARG, parse_mirror_opt },
 +              OPT_END()
 +      };
 +
 +      argc = parse_options(argc, argv, NULL, options, builtin_remote_add_usage,
 +                           0);
 +
 +      if (argc < 2)
 +              usage_with_options(builtin_remote_add_usage, options);
 +
 +      if (mirror && master)
 +              die("specifying a master branch makes no sense with --mirror");
 +      if (mirror && !(mirror & MIRROR_FETCH) && track.nr)
 +              die("specifying branches to track makes sense only with fetch mirrors");
 +
 +      name = argv[0];
 +      url = argv[1];
 +
 +      remote = remote_get(name);
 +      if (remote && (remote->url_nr > 1 || strcmp(name, remote->url[0]) ||
 +                      remote->fetch_refspec_nr))
 +              die("remote %s already exists.", name);
 +
 +      strbuf_addf(&buf2, "refs/heads/test:refs/remotes/%s/test", name);
 +      if (!valid_fetch_refspec(buf2.buf))
 +              die("'%s' is not a valid remote name", name);
 +
 +      strbuf_addf(&buf, "remote.%s.url", name);
 +      if (git_config_set(buf.buf, url))
 +              return 1;
 +
 +      if (!mirror || mirror & MIRROR_FETCH) {
 +              strbuf_reset(&buf);
 +              strbuf_addf(&buf, "remote.%s.fetch", name);
 +              if (track.nr == 0)
 +                      string_list_append(&track, "*");
 +              for (i = 0; i < track.nr; i++) {
 +                      if (add_branch(buf.buf, track.items[i].string,
 +                                     name, mirror, &buf2))
 +                              return 1;
 +              }
 +      }
 +
 +      if (mirror & MIRROR_PUSH) {
 +              strbuf_reset(&buf);
 +              strbuf_addf(&buf, "remote.%s.mirror", name);
 +              if (git_config_set(buf.buf, "true"))
 +                      return 1;
 +      }
 +
 +      if (fetch_tags != TAGS_DEFAULT) {
 +              strbuf_reset(&buf);
 +              strbuf_addf(&buf, "remote.%s.tagopt", name);
 +              if (git_config_set(buf.buf,
 +                      fetch_tags == TAGS_SET ? "--tags" : "--no-tags"))
 +                      return 1;
 +      }
 +
 +      if (fetch && fetch_remote(name))
 +              return 1;
 +
 +      if (master) {
 +              strbuf_reset(&buf);
 +              strbuf_addf(&buf, "refs/remotes/%s/HEAD", name);
 +
 +              strbuf_reset(&buf2);
 +              strbuf_addf(&buf2, "refs/remotes/%s/%s", name, master);
 +
 +              if (create_symref(buf.buf, buf2.buf, "remote add"))
 +                      return error("Could not setup master '%s'", master);
 +      }
 +
 +      strbuf_release(&buf);
 +      strbuf_release(&buf2);
 +      string_list_clear(&track, 0);
 +
 +      return 0;
 +}
 +
 +struct branch_info {
 +      char *remote_name;
 +      struct string_list merge;
 +      int rebase;
 +};
 +
 +static struct string_list branch_list;
 +
 +static const char *abbrev_ref(const char *name, const char *prefix)
 +{
 +      const char *abbrev = skip_prefix(name, prefix);
 +      if (abbrev)
 +              return abbrev;
 +      return name;
 +}
 +#define abbrev_branch(name) abbrev_ref((name), "refs/heads/")
 +
 +static int config_read_branches(const char *key, const char *value, void *cb)
 +{
 +      if (!prefixcmp(key, "branch.")) {
 +              const char *orig_key = key;
 +              char *name;
 +              struct string_list_item *item;
 +              struct branch_info *info;
 +              enum { REMOTE, MERGE, REBASE } type;
 +
 +              key += 7;
 +              if (!postfixcmp(key, ".remote")) {
 +                      name = xstrndup(key, strlen(key) - 7);
 +                      type = REMOTE;
 +              } else if (!postfixcmp(key, ".merge")) {
 +                      name = xstrndup(key, strlen(key) - 6);
 +                      type = MERGE;
 +              } else if (!postfixcmp(key, ".rebase")) {
 +                      name = xstrndup(key, strlen(key) - 7);
 +                      type = REBASE;
 +              } else
 +                      return 0;
 +
 +              item = string_list_insert(&branch_list, name);
 +
 +              if (!item->util)
 +                      item->util = xcalloc(sizeof(struct branch_info), 1);
 +              info = item->util;
 +              if (type == REMOTE) {
 +                      if (info->remote_name)
 +                              warning("more than one %s", orig_key);
 +                      info->remote_name = xstrdup(value);
 +              } else if (type == MERGE) {
 +                      char *space = strchr(value, ' ');
 +                      value = abbrev_branch(value);
 +                      while (space) {
 +                              char *merge;
 +                              merge = xstrndup(value, space - value);
 +                              string_list_append(&info->merge, merge);
 +                              value = abbrev_branch(space + 1);
 +                              space = strchr(value, ' ');
 +                      }
 +                      string_list_append(&info->merge, xstrdup(value));
 +              } else
 +                      info->rebase = git_config_bool(orig_key, value);
 +      }
 +      return 0;
 +}
 +
 +static void read_branches(void)
 +{
 +      if (branch_list.nr)
 +              return;
 +      git_config(config_read_branches, NULL);
 +}
 +
 +struct ref_states {
 +      struct remote *remote;
 +      struct string_list new, stale, tracked, heads, push;
 +      int queried;
 +};
 +
 +static int get_ref_states(const struct ref *remote_refs, struct ref_states *states)
 +{
 +      struct ref *fetch_map = NULL, **tail = &fetch_map;
 +      struct ref *ref, *stale_refs;
 +      int i;
 +
 +      for (i = 0; i < states->remote->fetch_refspec_nr; i++)
 +              if (get_fetch_map(remote_refs, states->remote->fetch + i, &tail, 1))
 +                      die("Could not get fetch map for refspec %s",
 +                              states->remote->fetch_refspec[i]);
 +
 +      states->new.strdup_strings = 1;
 +      states->tracked.strdup_strings = 1;
 +      states->stale.strdup_strings = 1;
 +      for (ref = fetch_map; ref; ref = ref->next) {
 +              unsigned char sha1[20];
 +              if (!ref->peer_ref || read_ref(ref->peer_ref->name, sha1))
 +                      string_list_append(&states->new, abbrev_branch(ref->name));
 +              else
 +                      string_list_append(&states->tracked, abbrev_branch(ref->name));
 +      }
 +      stale_refs = get_stale_heads(states->remote->fetch,
 +                                   states->remote->fetch_refspec_nr, fetch_map);
 +      for (ref = stale_refs; ref; ref = ref->next) {
 +              struct string_list_item *item =
 +                      string_list_append(&states->stale, abbrev_branch(ref->name));
 +              item->util = xstrdup(ref->name);
 +      }
 +      free_refs(stale_refs);
 +      free_refs(fetch_map);
 +
 +      sort_string_list(&states->new);
 +      sort_string_list(&states->tracked);
 +      sort_string_list(&states->stale);
 +
 +      return 0;
 +}
 +
 +struct push_info {
 +      char *dest;
 +      int forced;
 +      enum {
 +              PUSH_STATUS_CREATE = 0,
 +              PUSH_STATUS_DELETE,
 +              PUSH_STATUS_UPTODATE,
 +              PUSH_STATUS_FASTFORWARD,
 +              PUSH_STATUS_OUTOFDATE,
 +              PUSH_STATUS_NOTQUERIED
 +      } status;
 +};
 +
 +static int get_push_ref_states(const struct ref *remote_refs,
 +      struct ref_states *states)
 +{
 +      struct remote *remote = states->remote;
 +      struct ref *ref, *local_refs, *push_map;
 +      if (remote->mirror)
 +              return 0;
 +
 +      local_refs = get_local_heads();
 +      push_map = copy_ref_list(remote_refs);
 +
 +      match_push_refs(local_refs, &push_map, remote->push_refspec_nr,
 +                      remote->push_refspec, MATCH_REFS_NONE);
 +
 +      states->push.strdup_strings = 1;
 +      for (ref = push_map; ref; ref = ref->next) {
 +              struct string_list_item *item;
 +              struct push_info *info;
 +
 +              if (!ref->peer_ref)
 +                      continue;
 +              hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
 +
 +              item = string_list_append(&states->push,
 +                                        abbrev_branch(ref->peer_ref->name));
 +              item->util = xcalloc(sizeof(struct push_info), 1);
 +              info = item->util;
 +              info->forced = ref->force;
 +              info->dest = xstrdup(abbrev_branch(ref->name));
 +
 +              if (is_null_sha1(ref->new_sha1)) {
 +                      info->status = PUSH_STATUS_DELETE;
 +              } else if (!hashcmp(ref->old_sha1, ref->new_sha1))
 +                      info->status = PUSH_STATUS_UPTODATE;
 +              else if (is_null_sha1(ref->old_sha1))
 +                      info->status = PUSH_STATUS_CREATE;
 +              else if (has_sha1_file(ref->old_sha1) &&
 +                       ref_newer(ref->new_sha1, ref->old_sha1))
 +                      info->status = PUSH_STATUS_FASTFORWARD;
 +              else
 +                      info->status = PUSH_STATUS_OUTOFDATE;
 +      }
 +      free_refs(local_refs);
 +      free_refs(push_map);
 +      return 0;
 +}
 +
 +static int get_push_ref_states_noquery(struct ref_states *states)
 +{
 +      int i;
 +      struct remote *remote = states->remote;
 +      struct string_list_item *item;
 +      struct push_info *info;
 +
 +      if (remote->mirror)
 +              return 0;
 +
 +      states->push.strdup_strings = 1;
 +      if (!remote->push_refspec_nr) {
 +              item = string_list_append(&states->push, "(matching)");
 +              info = item->util = xcalloc(sizeof(struct push_info), 1);
 +              info->status = PUSH_STATUS_NOTQUERIED;
 +              info->dest = xstrdup(item->string);
 +      }
 +      for (i = 0; i < remote->push_refspec_nr; i++) {
 +              struct refspec *spec = remote->push + i;
 +              if (spec->matching)
 +                      item = string_list_append(&states->push, "(matching)");
 +              else if (strlen(spec->src))
 +                      item = string_list_append(&states->push, spec->src);
 +              else
 +                      item = string_list_append(&states->push, "(delete)");
 +
 +              info = item->util = xcalloc(sizeof(struct push_info), 1);
 +              info->forced = spec->force;
 +              info->status = PUSH_STATUS_NOTQUERIED;
 +              info->dest = xstrdup(spec->dst ? spec->dst : item->string);
 +      }
 +      return 0;
 +}
 +
 +static int get_head_names(const struct ref *remote_refs, struct ref_states *states)
 +{
 +      struct ref *ref, *matches;
 +      struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map;
 +      struct refspec refspec;
 +
 +      refspec.force = 0;
 +      refspec.pattern = 1;
 +      refspec.src = refspec.dst = "refs/heads/*";
 +      states->heads.strdup_strings = 1;
 +      get_fetch_map(remote_refs, &refspec, &fetch_map_tail, 0);
 +      matches = guess_remote_head(find_ref_by_name(remote_refs, "HEAD"),
 +                                  fetch_map, 1);
 +      for (ref = matches; ref; ref = ref->next)
 +              string_list_append(&states->heads, abbrev_branch(ref->name));
 +
 +      free_refs(fetch_map);
 +      free_refs(matches);
 +
 +      return 0;
 +}
 +
 +struct known_remote {
 +      struct known_remote *next;
 +      struct remote *remote;
 +};
 +
 +struct known_remotes {
 +      struct remote *to_delete;
 +      struct known_remote *list;
 +};
 +
 +static int add_known_remote(struct remote *remote, void *cb_data)
 +{
 +      struct known_remotes *all = cb_data;
 +      struct known_remote *r;
 +
 +      if (!strcmp(all->to_delete->name, remote->name))
 +              return 0;
 +
 +      r = xmalloc(sizeof(*r));
 +      r->remote = remote;
 +      r->next = all->list;
 +      all->list = r;
 +      return 0;
 +}
 +
 +struct branches_for_remote {
 +      struct remote *remote;
 +      struct string_list *branches, *skipped;
 +      struct known_remotes *keep;
 +};
 +
 +static int add_branch_for_removal(const char *refname,
 +      const unsigned char *sha1, int flags, void *cb_data)
 +{
 +      struct branches_for_remote *branches = cb_data;
 +      struct refspec refspec;
 +      struct string_list_item *item;
 +      struct known_remote *kr;
 +
 +      memset(&refspec, 0, sizeof(refspec));
 +      refspec.dst = (char *)refname;
 +      if (remote_find_tracking(branches->remote, &refspec))
 +              return 0;
 +
 +      /* don't delete a branch if another remote also uses it */
 +      for (kr = branches->keep->list; kr; kr = kr->next) {
 +              memset(&refspec, 0, sizeof(refspec));
 +              refspec.dst = (char *)refname;
 +              if (!remote_find_tracking(kr->remote, &refspec))
 +                      return 0;
 +      }
 +
 +      /* don't delete non-remote-tracking refs */
 +      if (prefixcmp(refname, "refs/remotes")) {
 +              /* advise user how to delete local branches */
 +              if (!prefixcmp(refname, "refs/heads/"))
 +                      string_list_append(branches->skipped,
 +                                         abbrev_branch(refname));
 +              /* silently skip over other non-remote refs */
 +              return 0;
 +      }
 +
 +      /* make sure that symrefs are deleted */
 +      if (flags & REF_ISSYMREF)
 +              return unlink(git_path("%s", refname));
 +
 +      item = string_list_append(branches->branches, refname);
 +      item->util = xmalloc(20);
 +      hashcpy(item->util, sha1);
 +
 +      return 0;
 +}
 +
 +struct rename_info {
 +      const char *old;
 +      const char *new;
 +      struct string_list *remote_branches;
 +};
 +
 +static int read_remote_branches(const char *refname,
 +      const unsigned char *sha1, int flags, void *cb_data)
 +{
 +      struct rename_info *rename = cb_data;
 +      struct strbuf buf = STRBUF_INIT;
 +      struct string_list_item *item;
 +      int flag;
 +      unsigned char orig_sha1[20];
 +      const char *symref;
 +
 +      strbuf_addf(&buf, "refs/remotes/%s/", rename->old);
 +      if (!prefixcmp(refname, buf.buf)) {
 +              item = string_list_append(rename->remote_branches, xstrdup(refname));
 +              symref = resolve_ref(refname, orig_sha1, 1, &flag);
 +              if (flag & REF_ISSYMREF)
 +                      item->util = xstrdup(symref);
 +              else
 +                      item->util = NULL;
 +      }
 +
 +      return 0;
 +}
 +
 +static int migrate_file(struct remote *remote)
 +{
 +      struct strbuf buf = STRBUF_INIT;
 +      int i;
 +      char *path = NULL;
 +
 +      strbuf_addf(&buf, "remote.%s.url", remote->name);
 +      for (i = 0; i < remote->url_nr; i++)
 +              if (git_config_set_multivar(buf.buf, remote->url[i], "^$", 0))
 +                      return error("Could not append '%s' to '%s'",
 +                                      remote->url[i], buf.buf);
 +      strbuf_reset(&buf);
 +      strbuf_addf(&buf, "remote.%s.push", remote->name);
 +      for (i = 0; i < remote->push_refspec_nr; i++)
 +              if (git_config_set_multivar(buf.buf, remote->push_refspec[i], "^$", 0))
 +                      return error("Could not append '%s' to '%s'",
 +                                      remote->push_refspec[i], buf.buf);
 +      strbuf_reset(&buf);
 +      strbuf_addf(&buf, "remote.%s.fetch", remote->name);
 +      for (i = 0; i < remote->fetch_refspec_nr; i++)
 +              if (git_config_set_multivar(buf.buf, remote->fetch_refspec[i], "^$", 0))
 +                      return error("Could not append '%s' to '%s'",
 +                                      remote->fetch_refspec[i], buf.buf);
 +      if (remote->origin == REMOTE_REMOTES)
 +              path = git_path("remotes/%s", remote->name);
 +      else if (remote->origin == REMOTE_BRANCHES)
 +              path = git_path("branches/%s", remote->name);
 +      if (path)
 +              unlink_or_warn(path);
 +      return 0;
 +}
 +
 +static int mv(int argc, const char **argv)
 +{
 +      struct option options[] = {
 +              OPT_END()
 +      };
 +      struct remote *oldremote, *newremote;
 +      struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT, buf3 = STRBUF_INIT,
 +              old_remote_context = STRBUF_INIT;
 +      struct string_list remote_branches = STRING_LIST_INIT_NODUP;
 +      struct rename_info rename;
 +      int i, refspec_updated = 0;
 +
 +      if (argc != 3)
 +              usage_with_options(builtin_remote_rename_usage, options);
 +
 +      rename.old = argv[1];
 +      rename.new = argv[2];
 +      rename.remote_branches = &remote_branches;
 +
 +      oldremote = remote_get(rename.old);
 +      if (!oldremote)
 +              die("No such remote: %s", rename.old);
 +
 +      if (!strcmp(rename.old, rename.new) && oldremote->origin != REMOTE_CONFIG)
 +              return migrate_file(oldremote);
 +
 +      newremote = remote_get(rename.new);
 +      if (newremote && (newremote->url_nr > 1 || newremote->fetch_refspec_nr))
 +              die("remote %s already exists.", rename.new);
 +
 +      strbuf_addf(&buf, "refs/heads/test:refs/remotes/%s/test", rename.new);
 +      if (!valid_fetch_refspec(buf.buf))
 +              die("'%s' is not a valid remote name", rename.new);
 +
 +      strbuf_reset(&buf);
 +      strbuf_addf(&buf, "remote.%s", rename.old);
 +      strbuf_addf(&buf2, "remote.%s", rename.new);
 +      if (git_config_rename_section(buf.buf, buf2.buf) < 1)
 +              return error("Could not rename config section '%s' to '%s'",
 +                              buf.buf, buf2.buf);
 +
 +      strbuf_reset(&buf);
 +      strbuf_addf(&buf, "remote.%s.fetch", rename.new);
 +      if (git_config_set_multivar(buf.buf, NULL, NULL, 1))
 +              return error("Could not remove config section '%s'", buf.buf);
 +      strbuf_addf(&old_remote_context, ":refs/remotes/%s/", rename.old);
 +      for (i = 0; i < oldremote->fetch_refspec_nr; i++) {
 +              char *ptr;
 +
 +              strbuf_reset(&buf2);
 +              strbuf_addstr(&buf2, oldremote->fetch_refspec[i]);
 +              ptr = strstr(buf2.buf, old_remote_context.buf);
 +              if (ptr) {
 +                      refspec_updated = 1;
 +                      strbuf_splice(&buf2,
 +                                    ptr-buf2.buf + strlen(":refs/remotes/"),
 +                                    strlen(rename.old), rename.new,
 +                                    strlen(rename.new));
 +              } else
 +                      warning("Not updating non-default fetch respec\n"
 +                              "\t%s\n"
 +                              "\tPlease update the configuration manually if necessary.",
 +                              buf2.buf);
 +
 +              if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
 +                      return error("Could not append '%s'", buf.buf);
 +      }
 +
 +      read_branches();
 +      for (i = 0; i < branch_list.nr; i++) {
 +              struct string_list_item *item = branch_list.items + i;
 +              struct branch_info *info = item->util;
 +              if (info->remote_name && !strcmp(info->remote_name, rename.old)) {
 +                      strbuf_reset(&buf);
 +                      strbuf_addf(&buf, "branch.%s.remote", item->string);
 +                      if (git_config_set(buf.buf, rename.new)) {
 +                              return error("Could not set '%s'", buf.buf);
 +                      }
 +              }
 +      }
 +
 +      if (!refspec_updated)
 +              return 0;
 +
 +      /*
 +       * First remove symrefs, then rename the rest, finally create
 +       * the new symrefs.
 +       */
 +      for_each_ref(read_remote_branches, &rename);
 +      for (i = 0; i < remote_branches.nr; i++) {
 +              struct string_list_item *item = remote_branches.items + i;
 +              int flag = 0;
 +              unsigned char sha1[20];
 +
 +              resolve_ref(item->string, sha1, 1, &flag);
 +              if (!(flag & REF_ISSYMREF))
 +                      continue;
 +              if (delete_ref(item->string, NULL, REF_NODEREF))
 +                      die("deleting '%s' failed", item->string);
 +      }
 +      for (i = 0; i < remote_branches.nr; i++) {
 +              struct string_list_item *item = remote_branches.items + i;
 +
 +              if (item->util)
 +                      continue;
 +              strbuf_reset(&buf);
 +              strbuf_addstr(&buf, item->string);
 +              strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
 +                              rename.new, strlen(rename.new));
 +              strbuf_reset(&buf2);
 +              strbuf_addf(&buf2, "remote: renamed %s to %s",
 +                              item->string, buf.buf);
 +              if (rename_ref(item->string, buf.buf, buf2.buf))
 +                      die("renaming '%s' failed", item->string);
 +      }
 +      for (i = 0; i < remote_branches.nr; i++) {
 +              struct string_list_item *item = remote_branches.items + i;
 +
 +              if (!item->util)
 +                      continue;
 +              strbuf_reset(&buf);
 +              strbuf_addstr(&buf, item->string);
 +              strbuf_splice(&buf, strlen("refs/remotes/"), strlen(rename.old),
 +                              rename.new, strlen(rename.new));
 +              strbuf_reset(&buf2);
 +              strbuf_addstr(&buf2, item->util);
 +              strbuf_splice(&buf2, strlen("refs/remotes/"), strlen(rename.old),
 +                              rename.new, strlen(rename.new));
 +              strbuf_reset(&buf3);
 +              strbuf_addf(&buf3, "remote: renamed %s to %s",
 +                              item->string, buf.buf);
 +              if (create_symref(buf.buf, buf2.buf, buf3.buf))
 +                      die("creating '%s' failed", buf.buf);
 +      }
 +      return 0;
 +}
 +
 +static int remove_branches(struct string_list *branches)
 +{
 +      int i, result = 0;
 +      for (i = 0; i < branches->nr; i++) {
 +              struct string_list_item *item = branches->items + i;
 +              const char *refname = item->string;
 +              unsigned char *sha1 = item->util;
 +
 +              if (delete_ref(refname, sha1, 0))
 +                      result |= error("Could not remove branch %s", refname);
 +      }
 +      return result;
 +}
 +
 +static int rm(int argc, const char **argv)
 +{
 +      struct option options[] = {
 +              OPT_END()
 +      };
 +      struct remote *remote;
 +      struct strbuf buf = STRBUF_INIT;
 +      struct known_remotes known_remotes = { NULL, NULL };
 +      struct string_list branches = STRING_LIST_INIT_DUP;
 +      struct string_list skipped = STRING_LIST_INIT_DUP;
 +      struct branches_for_remote cb_data;
 +      int i, result;
 +
 +      memset(&cb_data, 0, sizeof(cb_data));
 +      cb_data.branches = &branches;
 +      cb_data.skipped = &skipped;
 +      cb_data.keep = &known_remotes;
 +
 +      if (argc != 2)
 +              usage_with_options(builtin_remote_rm_usage, options);
 +
 +      remote = remote_get(argv[1]);
 +      if (!remote)
 +              die("No such remote: %s", argv[1]);
 +
 +      known_remotes.to_delete = remote;
 +      for_each_remote(add_known_remote, &known_remotes);
 +
 +      strbuf_addf(&buf, "remote.%s", remote->name);
 +      if (git_config_rename_section(buf.buf, NULL) < 1)
 +              return error("Could not remove config section '%s'", buf.buf);
 +
 +      read_branches();
 +      for (i = 0; i < branch_list.nr; i++) {
 +              struct string_list_item *item = branch_list.items + i;
 +              struct branch_info *info = item->util;
 +              if (info->remote_name && !strcmp(info->remote_name, remote->name)) {
 +                      const char *keys[] = { "remote", "merge", NULL }, **k;
 +                      for (k = keys; *k; k++) {
 +                              strbuf_reset(&buf);
 +                              strbuf_addf(&buf, "branch.%s.%s",
 +                                              item->string, *k);
 +                              if (git_config_set(buf.buf, NULL)) {
 +                                      strbuf_release(&buf);
 +                                      return -1;
 +                              }
 +                      }
 +              }
 +      }
 +
 +      /*
 +       * We cannot just pass a function to for_each_ref() which deletes
 +       * the branches one by one, since for_each_ref() relies on cached
 +       * refs, which are invalidated when deleting a branch.
 +       */
 +      cb_data.remote = remote;
 +      result = for_each_ref(add_branch_for_removal, &cb_data);
 +      strbuf_release(&buf);
 +
 +      if (!result)
 +              result = remove_branches(&branches);
 +      string_list_clear(&branches, 1);
 +
 +      if (skipped.nr) {
 +              fprintf(stderr, skipped.nr == 1 ?
 +                      "Note: A branch outside the refs/remotes/ hierarchy was not removed;\n"
 +                      "to delete it, use:\n" :
 +                      "Note: Some branches outside the refs/remotes/ hierarchy were not removed;\n"
 +                      "to delete them, use:\n");
 +              for (i = 0; i < skipped.nr; i++)
 +                      fprintf(stderr, "  git branch -d %s\n",
 +                              skipped.items[i].string);
 +      }
 +      string_list_clear(&skipped, 0);
 +
 +      return result;
 +}
 +
 +static void clear_push_info(void *util, const char *string)
 +{
 +      struct push_info *info = util;
 +      free(info->dest);
 +      free(info);
 +}
 +
 +static void free_remote_ref_states(struct ref_states *states)
 +{
 +      string_list_clear(&states->new, 0);
 +      string_list_clear(&states->stale, 1);
 +      string_list_clear(&states->tracked, 0);
 +      string_list_clear(&states->heads, 0);
 +      string_list_clear_func(&states->push, clear_push_info);
 +}
 +
 +static int append_ref_to_tracked_list(const char *refname,
 +      const unsigned char *sha1, int flags, void *cb_data)
 +{
 +      struct ref_states *states = cb_data;
 +      struct refspec refspec;
 +
 +      if (flags & REF_ISSYMREF)
 +              return 0;
 +
 +      memset(&refspec, 0, sizeof(refspec));
 +      refspec.dst = (char *)refname;
 +      if (!remote_find_tracking(states->remote, &refspec))
 +              string_list_append(&states->tracked, abbrev_branch(refspec.src));
 +
 +      return 0;
 +}
 +
 +static int get_remote_ref_states(const char *name,
 +                               struct ref_states *states,
 +                               int query)
 +{
 +      struct transport *transport;
 +      const struct ref *remote_refs;
 +
 +      states->remote = remote_get(name);
 +      if (!states->remote)
 +              return error("No such remote: %s", name);
 +
 +      read_branches();
 +
 +      if (query) {
 +              transport = transport_get(states->remote, states->remote->url_nr > 0 ?
 +                      states->remote->url[0] : NULL);
 +              remote_refs = transport_get_remote_refs(transport);
 +              transport_disconnect(transport);
 +
 +              states->queried = 1;
 +              if (query & GET_REF_STATES)
 +                      get_ref_states(remote_refs, states);
 +              if (query & GET_HEAD_NAMES)
 +                      get_head_names(remote_refs, states);
 +              if (query & GET_PUSH_REF_STATES)
 +                      get_push_ref_states(remote_refs, states);
 +      } else {
 +              for_each_ref(append_ref_to_tracked_list, states);
 +              sort_string_list(&states->tracked);
 +              get_push_ref_states_noquery(states);
 +      }
 +
 +      return 0;
 +}
 +
 +struct show_info {
 +      struct string_list *list;
 +      struct ref_states *states;
 +      int width, width2;
 +      int any_rebase;
 +};
 +
 +static int add_remote_to_show_info(struct string_list_item *item, void *cb_data)
 +{
 +      struct show_info *info = cb_data;
 +      int n = strlen(item->string);
 +      if (n > info->width)
 +              info->width = n;
 +      string_list_insert(info->list, item->string);
 +      return 0;
 +}
 +
 +static int show_remote_info_item(struct string_list_item *item, void *cb_data)
 +{
 +      struct show_info *info = cb_data;
 +      struct ref_states *states = info->states;
 +      const char *name = item->string;
 +
 +      if (states->queried) {
 +              const char *fmt = "%s";
 +              const char *arg = "";
 +              if (string_list_has_string(&states->new, name)) {
 +                      fmt = " new (next fetch will store in remotes/%s)";
 +                      arg = states->remote->name;
 +              } else if (string_list_has_string(&states->tracked, name))
 +                      arg = " tracked";
 +              else if (string_list_has_string(&states->stale, name))
 +                      arg = " stale (use 'git remote prune' to remove)";
 +              else
 +                      arg = " ???";
 +              printf("    %-*s", info->width, name);
 +              printf(fmt, arg);
 +              printf("\n");
 +      } else
 +              printf("    %s\n", name);
 +
 +      return 0;
 +}
 +
 +static int add_local_to_show_info(struct string_list_item *branch_item, void *cb_data)
 +{
 +      struct show_info *show_info = cb_data;
 +      struct ref_states *states = show_info->states;
 +      struct branch_info *branch_info = branch_item->util;
 +      struct string_list_item *item;
 +      int n;
 +
 +      if (!branch_info->merge.nr || !branch_info->remote_name ||
 +          strcmp(states->remote->name, branch_info->remote_name))
 +              return 0;
 +      if ((n = strlen(branch_item->string)) > show_info->width)
 +              show_info->width = n;
 +      if (branch_info->rebase)
 +              show_info->any_rebase = 1;
 +
 +      item = string_list_insert(show_info->list, branch_item->string);
 +      item->util = branch_info;
 +
 +      return 0;
 +}
 +
 +static int show_local_info_item(struct string_list_item *item, void *cb_data)
 +{
 +      struct show_info *show_info = cb_data;
 +      struct branch_info *branch_info = item->util;
 +      struct string_list *merge = &branch_info->merge;
 +      const char *also;
 +      int i;
 +
 +      if (branch_info->rebase && branch_info->merge.nr > 1) {
 +              error("invalid branch.%s.merge; cannot rebase onto > 1 branch",
 +                      item->string);
 +              return 0;
 +      }
 +
 +      printf("    %-*s ", show_info->width, item->string);
 +      if (branch_info->rebase) {
 +              printf("rebases onto remote %s\n", merge->items[0].string);
 +              return 0;
 +      } else if (show_info->any_rebase) {
 +              printf(" merges with remote %s\n", merge->items[0].string);
 +              also = "    and with remote";
 +      } else {
 +              printf("merges with remote %s\n", merge->items[0].string);
 +              also = "   and with remote";
 +      }
 +      for (i = 1; i < merge->nr; i++)
 +              printf("    %-*s %s %s\n", show_info->width, "", also,
 +                     merge->items[i].string);
 +
 +      return 0;
 +}
 +
 +static int add_push_to_show_info(struct string_list_item *push_item, void *cb_data)
 +{
 +      struct show_info *show_info = cb_data;
 +      struct push_info *push_info = push_item->util;
 +      struct string_list_item *item;
 +      int n;
 +      if ((n = strlen(push_item->string)) > show_info->width)
 +              show_info->width = n;
 +      if ((n = strlen(push_info->dest)) > show_info->width2)
 +              show_info->width2 = n;
 +      item = string_list_append(show_info->list, push_item->string);
 +      item->util = push_item->util;
 +      return 0;
 +}
 +
 +/*
 + * Sorting comparison for a string list that has push_info
 + * structs in its util field
 + */
 +static int cmp_string_with_push(const void *va, const void *vb)
 +{
 +      const struct string_list_item *a = va;
 +      const struct string_list_item *b = vb;
 +      const struct push_info *a_push = a->util;
 +      const struct push_info *b_push = b->util;
 +      int cmp = strcmp(a->string, b->string);
 +      return cmp ? cmp : strcmp(a_push->dest, b_push->dest);
 +}
 +
 +static int show_push_info_item(struct string_list_item *item, void *cb_data)
 +{
 +      struct show_info *show_info = cb_data;
 +      struct push_info *push_info = item->util;
 +      char *src = item->string, *status = NULL;
 +
 +      switch (push_info->status) {
 +      case PUSH_STATUS_CREATE:
 +              status = "create";
 +              break;
 +      case PUSH_STATUS_DELETE:
 +              status = "delete";
 +              src = "(none)";
 +              break;
 +      case PUSH_STATUS_UPTODATE:
 +              status = "up to date";
 +              break;
 +      case PUSH_STATUS_FASTFORWARD:
 +              status = "fast-forwardable";
 +              break;
 +      case PUSH_STATUS_OUTOFDATE:
 +              status = "local out of date";
 +              break;
 +      case PUSH_STATUS_NOTQUERIED:
 +              break;
 +      }
 +      if (status)
 +              printf("    %-*s %s to %-*s (%s)\n", show_info->width, src,
 +                      push_info->forced ? "forces" : "pushes",
 +                      show_info->width2, push_info->dest, status);
 +      else
 +              printf("    %-*s %s to %s\n", show_info->width, src,
 +                      push_info->forced ? "forces" : "pushes",
 +                      push_info->dest);
 +      return 0;
 +}
 +
 +static int show(int argc, const char **argv)
 +{
 +      int no_query = 0, result = 0, query_flag = 0;
 +      struct option options[] = {
 +              OPT_BOOLEAN('n', NULL, &no_query, "do not query remotes"),
 +              OPT_END()
 +      };
 +      struct ref_states states;
 +      struct string_list info_list = STRING_LIST_INIT_NODUP;
 +      struct show_info info;
 +
 +      argc = parse_options(argc, argv, NULL, options, builtin_remote_show_usage,
 +                           0);
 +
 +      if (argc < 1)
 +              return show_all();
 +
 +      if (!no_query)
 +              query_flag = (GET_REF_STATES | GET_HEAD_NAMES | GET_PUSH_REF_STATES);
 +
 +      memset(&states, 0, sizeof(states));
 +      memset(&info, 0, sizeof(info));
 +      info.states = &states;
 +      info.list = &info_list;
 +      for (; argc; argc--, argv++) {
 +              int i;
 +              const char **url;
 +              int url_nr;
 +
 +              get_remote_ref_states(*argv, &states, query_flag);
 +
 +              printf("* remote %s\n", *argv);
 +              printf("  Fetch URL: %s\n", states.remote->url_nr > 0 ?
 +                      states.remote->url[0] : "(no URL)");
 +              if (states.remote->pushurl_nr) {
 +                      url = states.remote->pushurl;
 +                      url_nr = states.remote->pushurl_nr;
 +              } else {
 +                      url = states.remote->url;
 +                      url_nr = states.remote->url_nr;
 +              }
 +              for (i = 0; i < url_nr; i++)
 +                      printf("  Push  URL: %s\n", url[i]);
 +              if (!i)
 +                      printf("  Push  URL: %s\n", "(no URL)");
 +              if (no_query)
 +                      printf("  HEAD branch: (not queried)\n");
 +              else if (!states.heads.nr)
 +                      printf("  HEAD branch: (unknown)\n");
 +              else if (states.heads.nr == 1)
 +                      printf("  HEAD branch: %s\n", states.heads.items[0].string);
 +              else {
 +                      printf("  HEAD branch (remote HEAD is ambiguous,"
 +                             " may be one of the following):\n");
 +                      for (i = 0; i < states.heads.nr; i++)
 +                              printf("    %s\n", states.heads.items[i].string);
 +              }
 +
 +              /* remote branch info */
 +              info.width = 0;
 +              for_each_string_list(&states.new, add_remote_to_show_info, &info);
 +              for_each_string_list(&states.tracked, add_remote_to_show_info, &info);
 +              for_each_string_list(&states.stale, add_remote_to_show_info, &info);
 +              if (info.list->nr)
 +                      printf("  Remote branch%s:%s\n",
 +                             info.list->nr > 1 ? "es" : "",
 +                              no_query ? " (status not queried)" : "");
 +              for_each_string_list(info.list, show_remote_info_item, &info);
 +              string_list_clear(info.list, 0);
 +
 +              /* git pull info */
 +              info.width = 0;
 +              info.any_rebase = 0;
 +              for_each_string_list(&branch_list, add_local_to_show_info, &info);
 +              if (info.list->nr)
 +                      printf("  Local branch%s configured for 'git pull':\n",
 +                             info.list->nr > 1 ? "es" : "");
 +              for_each_string_list(info.list, show_local_info_item, &info);
 +              string_list_clear(info.list, 0);
 +
 +              /* git push info */
 +              if (states.remote->mirror)
 +                      printf("  Local refs will be mirrored by 'git push'\n");
 +
 +              info.width = info.width2 = 0;
 +              for_each_string_list(&states.push, add_push_to_show_info, &info);
 +              qsort(info.list->items, info.list->nr,
 +                      sizeof(*info.list->items), cmp_string_with_push);
 +              if (info.list->nr)
 +                      printf("  Local ref%s configured for 'git push'%s:\n",
 +                              info.list->nr > 1 ? "s" : "",
 +                              no_query ? " (status not queried)" : "");
 +              for_each_string_list(info.list, show_push_info_item, &info);
 +              string_list_clear(info.list, 0);
 +
 +              free_remote_ref_states(&states);
 +      }
 +
 +      return result;
 +}
 +
 +static int set_head(int argc, const char **argv)
 +{
 +      int i, opt_a = 0, opt_d = 0, result = 0;
 +      struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
 +      char *head_name = NULL;
 +
 +      struct option options[] = {
 +              OPT_BOOLEAN('a', "auto", &opt_a,
 +                          "set refs/remotes/<name>/HEAD according to remote"),
 +              OPT_BOOLEAN('d', "delete", &opt_d,
 +                          "delete refs/remotes/<name>/HEAD"),
 +              OPT_END()
 +      };
 +      argc = parse_options(argc, argv, NULL, options, builtin_remote_sethead_usage,
 +                           0);
 +      if (argc)
 +              strbuf_addf(&buf, "refs/remotes/%s/HEAD", argv[0]);
 +
 +      if (!opt_a && !opt_d && argc == 2) {
 +              head_name = xstrdup(argv[1]);
 +      } else if (opt_a && !opt_d && argc == 1) {
 +              struct ref_states states;
 +              memset(&states, 0, sizeof(states));
 +              get_remote_ref_states(argv[0], &states, GET_HEAD_NAMES);
 +              if (!states.heads.nr)
 +                      result |= error("Cannot determine remote HEAD");
 +              else if (states.heads.nr > 1) {
 +                      result |= error("Multiple remote HEAD branches. "
 +                                      "Please choose one explicitly with:");
 +                      for (i = 0; i < states.heads.nr; i++)
 +                              fprintf(stderr, "  git remote set-head %s %s\n",
 +                                      argv[0], states.heads.items[i].string);
 +              } else
 +                      head_name = xstrdup(states.heads.items[0].string);
 +              free_remote_ref_states(&states);
 +      } else if (opt_d && !opt_a && argc == 1) {
 +              if (delete_ref(buf.buf, NULL, REF_NODEREF))
 +                      result |= error("Could not delete %s", buf.buf);
 +      } else
 +              usage_with_options(builtin_remote_sethead_usage, options);
 +
 +      if (head_name) {
 +              unsigned char sha1[20];
 +              strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name);
 +              /* make sure it's valid */
 +              if (!resolve_ref(buf2.buf, sha1, 1, NULL))
 +                      result |= error("Not a valid ref: %s", buf2.buf);
 +              else if (create_symref(buf.buf, buf2.buf, "remote set-head"))
 +                      result |= error("Could not setup %s", buf.buf);
 +              if (opt_a)
 +                      printf("%s/HEAD set to %s\n", argv[0], head_name);
 +              free(head_name);
 +      }
 +
 +      strbuf_release(&buf);
 +      strbuf_release(&buf2);
 +      return result;
 +}
 +
 +static int prune(int argc, const char **argv)
 +{
 +      int dry_run = 0, result = 0;
 +      struct option options[] = {
 +              OPT__DRY_RUN(&dry_run, "dry run"),
 +              OPT_END()
 +      };
 +
 +      argc = parse_options(argc, argv, NULL, options, builtin_remote_prune_usage,
 +                           0);
 +
 +      if (argc < 1)
 +              usage_with_options(builtin_remote_prune_usage, options);
 +
 +      for (; argc; argc--, argv++)
 +              result |= prune_remote(*argv, dry_run);
 +
 +      return result;
 +}
 +
 +static int prune_remote(const char *remote, int dry_run)
 +{
 +      int result = 0, i;
 +      struct ref_states states;
 +      const char *dangling_msg = dry_run
 +              ? " %s will become dangling!\n"
 +              : " %s has become dangling!\n";
 +
 +      memset(&states, 0, sizeof(states));
 +      get_remote_ref_states(remote, &states, GET_REF_STATES);
 +
 +      if (states.stale.nr) {
 +              printf("Pruning %s\n", remote);
 +              printf("URL: %s\n",
 +                     states.remote->url_nr
 +                     ? states.remote->url[0]
 +                     : "(no URL)");
 +      }
 +
 +      for (i = 0; i < states.stale.nr; i++) {
 +              const char *refname = states.stale.items[i].util;
 +
 +              if (!dry_run)
 +                      result |= delete_ref(refname, NULL, 0);
 +
 +              printf(" * [%s] %s\n", dry_run ? "would prune" : "pruned",
 +                     abbrev_ref(refname, "refs/remotes/"));
 +              warn_dangling_symref(stdout, dangling_msg, refname);
 +      }
 +
 +      free_remote_ref_states(&states);
 +      return result;
 +}
 +
 +static int get_remote_default(const char *key, const char *value, void *priv)
 +{
 +      if (strcmp(key, "remotes.default") == 0) {
 +              int *found = priv;
 +              *found = 1;
 +      }
 +      return 0;
 +}
 +
 +static int update(int argc, const char **argv)
 +{
 +      int i, prune = 0;
 +      struct option options[] = {
 +              OPT_BOOLEAN('p', "prune", &prune,
 +                          "prune remotes after fetching"),
 +              OPT_END()
 +      };
 +      const char **fetch_argv;
 +      int fetch_argc = 0;
 +      int default_defined = 0;
 +
 +      fetch_argv = xmalloc(sizeof(char *) * (argc+5));
 +
 +      argc = parse_options(argc, argv, NULL, options, builtin_remote_update_usage,
 +                           PARSE_OPT_KEEP_ARGV0);
 +
 +      fetch_argv[fetch_argc++] = "fetch";
 +
 +      if (prune)
 +              fetch_argv[fetch_argc++] = "--prune";
 +      if (verbose)
 +              fetch_argv[fetch_argc++] = "-v";
 +      fetch_argv[fetch_argc++] = "--multiple";
 +      if (argc < 2)
 +              fetch_argv[fetch_argc++] = "default";
 +      for (i = 1; i < argc; i++)
 +              fetch_argv[fetch_argc++] = argv[i];
 +
 +      if (strcmp(fetch_argv[fetch_argc-1], "default") == 0) {
 +              git_config(get_remote_default, &default_defined);
 +              if (!default_defined)
 +                      fetch_argv[fetch_argc-1] = "--all";
 +      }
 +
 +      fetch_argv[fetch_argc] = NULL;
 +
 +      return run_command_v_opt(fetch_argv, RUN_GIT_CMD);
 +}
 +
 +static int remove_all_fetch_refspecs(const char *remote, const char *key)
 +{
 +      return git_config_set_multivar(key, NULL, NULL, 1);
 +}
 +
 +static int add_branches(struct remote *remote, const char **branches,
 +                      const char *key)
 +{
 +      const char *remotename = remote->name;
 +      int mirror = remote->mirror;
 +      struct strbuf refspec = STRBUF_INIT;
 +
 +      for (; *branches; branches++)
 +              if (add_branch(key, *branches, remotename, mirror, &refspec)) {
 +                      strbuf_release(&refspec);
 +                      return 1;
 +              }
 +
 +      strbuf_release(&refspec);
 +      return 0;
 +}
 +
 +static int set_remote_branches(const char *remotename, const char **branches,
 +                              int add_mode)
 +{
 +      struct strbuf key = STRBUF_INIT;
 +      struct remote *remote;
 +
 +      strbuf_addf(&key, "remote.%s.fetch", remotename);
 +
 +      if (!remote_is_configured(remotename))
 +              die("No such remote '%s'", remotename);
 +      remote = remote_get(remotename);
 +
 +      if (!add_mode && remove_all_fetch_refspecs(remotename, key.buf)) {
 +              strbuf_release(&key);
 +              return 1;
 +      }
 +      if (add_branches(remote, branches, key.buf)) {
 +              strbuf_release(&key);
 +              return 1;
 +      }
 +
 +      strbuf_release(&key);
 +      return 0;
 +}
 +
 +static int set_branches(int argc, const char **argv)
 +{
 +      int add_mode = 0;
 +      struct option options[] = {
 +              OPT_BOOLEAN('\0', "add", &add_mode, "add branch"),
 +              OPT_END()
 +      };
 +
 +      argc = parse_options(argc, argv, NULL, options,
 +                           builtin_remote_setbranches_usage, 0);
 +      if (argc == 0) {
 +              error("no remote specified");
 +              usage_with_options(builtin_remote_seturl_usage, options);
 +      }
 +      argv[argc] = NULL;
 +
 +      return set_remote_branches(argv[0], argv + 1, add_mode);
 +}
 +
 +static int set_url(int argc, const char **argv)
 +{
 +      int i, push_mode = 0, add_mode = 0, delete_mode = 0;
 +      int matches = 0, negative_matches = 0;
 +      const char *remotename = NULL;
 +      const char *newurl = NULL;
 +      const char *oldurl = NULL;
 +      struct remote *remote;
 +      regex_t old_regex;
 +      const char **urlset;
 +      int urlset_nr;
 +      struct strbuf name_buf = STRBUF_INIT;
 +      struct option options[] = {
 +              OPT_BOOLEAN('\0', "push", &push_mode,
 +                          "manipulate push URLs"),
 +              OPT_BOOLEAN('\0', "add", &add_mode,
 +                          "add URL"),
 +              OPT_BOOLEAN('\0', "delete", &delete_mode,
 +                          "delete URLs"),
 +              OPT_END()
 +      };
++      argc = parse_options(argc, argv, NULL, options, builtin_remote_seturl_usage,
 +                           PARSE_OPT_KEEP_ARGV0);
 +
 +      if (add_mode && delete_mode)
 +              die("--add --delete doesn't make sense");
 +
 +      if (argc < 3 || argc > 4 || ((add_mode || delete_mode) && argc != 3))
 +              usage_with_options(builtin_remote_seturl_usage, options);
 +
 +      remotename = argv[1];
 +      newurl = argv[2];
 +      if (argc > 3)
 +              oldurl = argv[3];
 +
 +      if (delete_mode)
 +              oldurl = newurl;
 +
 +      if (!remote_is_configured(remotename))
 +              die("No such remote '%s'", remotename);
 +      remote = remote_get(remotename);
 +
 +      if (push_mode) {
 +              strbuf_addf(&name_buf, "remote.%s.pushurl", remotename);
 +              urlset = remote->pushurl;
 +              urlset_nr = remote->pushurl_nr;
 +      } else {
 +              strbuf_addf(&name_buf, "remote.%s.url", remotename);
 +              urlset = remote->url;
 +              urlset_nr = remote->url_nr;
 +      }
 +
 +      /* Special cases that add new entry. */
 +      if ((!oldurl && !delete_mode) || add_mode) {
 +              if (add_mode)
 +                      git_config_set_multivar(name_buf.buf, newurl,
 +                              "^$", 0);
 +              else
 +                      git_config_set(name_buf.buf, newurl);
 +              strbuf_release(&name_buf);
 +              return 0;
 +      }
 +
 +      /* Old URL specified. Demand that one matches. */
 +      if (regcomp(&old_regex, oldurl, REG_EXTENDED))
 +              die("Invalid old URL pattern: %s", oldurl);
 +
 +      for (i = 0; i < urlset_nr; i++)
 +              if (!regexec(&old_regex, urlset[i], 0, NULL, 0))
 +                      matches++;
 +              else
 +                      negative_matches++;
 +      if (!delete_mode && !matches)
 +              die("No such URL found: %s", oldurl);
 +      if (delete_mode && !negative_matches && !push_mode)
 +              die("Will not delete all non-push URLs");
 +
 +      regfree(&old_regex);
 +
 +      if (!delete_mode)
 +              git_config_set_multivar(name_buf.buf, newurl, oldurl, 0);
 +      else
 +              git_config_set_multivar(name_buf.buf, NULL, oldurl, 1);
 +      return 0;
 +}
 +
 +static int get_one_entry(struct remote *remote, void *priv)
 +{
 +      struct string_list *list = priv;
 +      struct strbuf url_buf = STRBUF_INIT;
 +      const char **url;
 +      int i, url_nr;
 +
 +      if (remote->url_nr > 0) {
 +              strbuf_addf(&url_buf, "%s (fetch)", remote->url[0]);
 +              string_list_append(list, remote->name)->util =
 +                              strbuf_detach(&url_buf, NULL);
 +      } else
 +              string_list_append(list, remote->name)->util = NULL;
 +      if (remote->pushurl_nr) {
 +              url = remote->pushurl;
 +              url_nr = remote->pushurl_nr;
 +      } else {
 +              url = remote->url;
 +              url_nr = remote->url_nr;
 +      }
 +      for (i = 0; i < url_nr; i++)
 +      {
 +              strbuf_addf(&url_buf, "%s (push)", url[i]);
 +              string_list_append(list, remote->name)->util =
 +                              strbuf_detach(&url_buf, NULL);
 +      }
 +
 +      return 0;
 +}
 +
 +static int show_all(void)
 +{
 +      struct string_list list = STRING_LIST_INIT_NODUP;
 +      int result;
 +
 +      list.strdup_strings = 1;
 +      result = for_each_remote(get_one_entry, &list);
 +
 +      if (!result) {
 +              int i;
 +
 +              sort_string_list(&list);
 +              for (i = 0; i < list.nr; i++) {
 +                      struct string_list_item *item = list.items + i;
 +                      if (verbose)
 +                              printf("%s\t%s\n", item->string,
 +                                      item->util ? (const char *)item->util : "");
 +                      else {
 +                              if (i && !strcmp((item - 1)->string, item->string))
 +                                      continue;
 +                              printf("%s\n", item->string);
 +                      }
 +              }
 +      }
 +      string_list_clear(&list, 1);
 +      return result;
 +}
 +
 +int cmd_remote(int argc, const char **argv, const char *prefix)
 +{
 +      struct option options[] = {
 +              OPT__VERBOSE(&verbose, "be verbose; must be placed before a subcommand"),
 +              OPT_END()
 +      };
 +      int result;
 +
 +      argc = parse_options(argc, argv, prefix, options, builtin_remote_usage,
 +              PARSE_OPT_STOP_AT_NON_OPTION);
 +
 +      if (argc < 1)
 +              result = show_all();
 +      else if (!strcmp(argv[0], "add"))
 +              result = add(argc, argv);
 +      else if (!strcmp(argv[0], "rename"))
 +              result = mv(argc, argv);
 +      else if (!strcmp(argv[0], "rm"))
 +              result = rm(argc, argv);
 +      else if (!strcmp(argv[0], "set-head"))
 +              result = set_head(argc, argv);
 +      else if (!strcmp(argv[0], "set-branches"))
 +              result = set_branches(argc, argv);
 +      else if (!strcmp(argv[0], "set-url"))
 +              result = set_url(argc, argv);
 +      else if (!strcmp(argv[0], "show"))
 +              result = show(argc, argv);
 +      else if (!strcmp(argv[0], "prune"))
 +              result = prune(argc, argv);
 +      else if (!strcmp(argv[0], "update"))
 +              result = update(argc, argv);
 +      else {
 +              error("Unknown subcommand: %s", argv[0]);
 +              usage_with_options(builtin_remote_usage, options);
 +      }
 +
 +      return result ? 1 : 0;
 +}