diff options
Diffstat (limited to 'builtin/remote.c')
| -rw-r--r-- | builtin/remote.c | 1447 |
1 files changed, 1447 insertions, 0 deletions
diff --git a/builtin/remote.c b/builtin/remote.c new file mode 100644 index 000000000..277765b86 --- /dev/null +++ b/builtin/remote.c @@ -0,0 +1,1447 @@ +#include "cache.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] <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-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_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 opt_parse_track(const struct option *opt, const char *arg, int not) +{ + struct string_list *list = opt->value; + if (not) + string_list_clear(list, 0); + else + string_list_append(arg, list); + return 0; +} + +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; +} + +static int add(int argc, const char **argv) +{ + int fetch = 0, mirror = 0; + struct string_list track = { NULL, 0, 0 }; + 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_CALLBACK('t', "track", &track, "branch", + "branch(es) to track", opt_parse_track), + OPT_STRING('m', "master", &master, "branch", "master branch"), + OPT_BOOLEAN(0, "mirror", &mirror, "no separate remotes"), + 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); + + 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; + + 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++) { + struct string_list_item *item = track.items + i; + + strbuf_reset(&buf2); + strbuf_addch(&buf2, '+'); + if (mirror) + strbuf_addf(&buf2, "refs/%s:refs/%s", + item->string, item->string); + else + strbuf_addf(&buf2, "refs/heads/%s:refs/remotes/%s/%s", + item->string, name, item->string); + if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0)) + return 1; + } + + if (mirror) { + strbuf_reset(&buf); + strbuf_addf(&buf, "remote.%s.mirror", name); + if (git_config_set(buf.buf, "true")) + 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(name, &branch_list); + + 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(merge, &info->merge); + value = abbrev_branch(space + 1); + space = strchr(value, ' '); + } + string_list_append(xstrdup(value), &info->merge); + } 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(abbrev_branch(ref->name), &states->new); + else + string_list_append(abbrev_branch(ref->name), &states->tracked); + } + stale_refs = get_stale_heads(states->remote, fetch_map); + for (ref = stale_refs; ref; ref = ref->next) { + struct string_list_item *item = + string_list_append(abbrev_branch(ref->name), &states->stale); + 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_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(abbrev_branch(ref->peer_ref->name), + &states->push); + 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("(matching)", &states->push); + 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("(matching)", &states->push); + else if (strlen(spec->src)) + item = string_list_append(spec->src, &states->push); + else + item = string_list_append("(delete)", &states->push); + + 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(abbrev_branch(ref->name), &states->heads); + + 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 refs */ + if (prefixcmp(refname, "refs/remotes")) { + /* advise user how to delete local branches */ + if (!prefixcmp(refname, "refs/heads/")) + string_list_append(abbrev_branch(refname), + branches->skipped); + /* 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(refname, branches->branches); + 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(xstrdup(refname), rename->remote_branches); + 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; + struct string_list remote_branches = { NULL, 0, 0, 0 }; + struct rename_info rename; + int i; + + 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); + 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, rename.old); + if (ptr) + strbuf_splice(&buf2, ptr-buf2.buf, strlen(rename.old), + rename.new, strlen(rename.new)); + 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); + } + } + } + + /* + * 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 = { NULL, 0, 0, 1 }; + struct string_list skipped = { NULL, 0, 0, 1 }; + struct branches_for_remote cb_data = { + NULL, &branches, &skipped, &known_remotes + }; + int i, result; + + 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 non-remote branch was not removed; " + "to delete it, use:\n" : + "Note: Non-remote branches were not removed; " + "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(abbrev_branch(refspec.src), &states->tracked); + + 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(item->string, info->list); + 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(branch_item->string, show_info->list); + 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(push_item->string, show_info->list); + 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 = { NULL, 0, 0, 0 }; + 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(add_remote_to_show_info, &states.new, &info); + for_each_string_list(add_remote_to_show_info, &states.tracked, &info); + for_each_string_list(add_remote_to_show_info, &states.stale, &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(show_remote_info_item, info.list, &info); + string_list_clear(info.list, 0); + + /* git pull info */ + info.width = 0; + info.any_rebase = 0; + for_each_string_list(add_local_to_show_info, &branch_list, &info); + if (info.list->nr) + printf(" Local branch%s configured for 'git pull':\n", + info.list->nr > 1 ? "es" : ""); + for_each_string_list(show_local_info_item, info.list, &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(add_push_to_show_info, &states.push, &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(show_push_info_item, info.list, &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), + 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 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_update_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(remote->name, list)->util = + strbuf_detach(&url_buf, NULL); + } else + string_list_append(remote->name, list)->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(remote->name, list)->util = + strbuf_detach(&url_buf, NULL); + } + + return 0; +} + +static int show_all(void) +{ + struct string_list list = { NULL, 0, 0 }; + 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_BOOLEAN('v', "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-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; +} |