git/builtin/remote.c

1589 строки
42 KiB
C

#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) {
if (!ref->peer_ref || !ref_exists(ref->peer_ref->name))
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_unsafe(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];
read_ref_full(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) {
strbuf_addf(&buf2, "refs/remotes/%s/%s", argv[0], head_name);
/* make sure it's valid */
if (!ref_exists(buf2.buf))
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_setbranches_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;
}