static int add_refs_from_alternate(struct alternate_object_database *e, void *unused)
{
char *other;
size_t len;
struct remote *remote;
struct transport *transport;
const struct ref *extra;
e->name[-1] = '\0';
other = xstrdup(make_absolute_path(e->base));
e->name[-1] = '/';
len = strlen(other);
while (other[len-1] == '/')
other[--len] = '\0';
if (len < 8 || memcmp(other + len - 8, "/objects", 8))
return 0;
/* Is this a git repository with refs? */
memcpy(other + len - 8, "/refs", 6);
if (!is_directory(other))
return 0;
other[len - 8] = '\0';
remote = remote_get(other);
transport = transport_get(remote, other);
for (extra = transport_get_remote_refs(transport);
extra;
extra = extra->next) {
add_extra_ref(".have", extra->old_sha1, 0);
}
transport_disconnect(transport);
free(other);
return 0;
}
static void setup_reference(const char *repo)
{
const char *ref_git;
char *ref_git_copy;
struct remote *remote;
struct transport *transport;
const struct ref *extra;
ref_git = make_absolute_path(option_reference);
if (is_directory(mkpath("%s/.git/objects", ref_git)))
ref_git = mkpath("%s/.git", ref_git);
else if (!is_directory(mkpath("%s/objects", ref_git)))
die("reference repository '%s' is not a local directory.",
option_reference);
ref_git_copy = xstrdup(ref_git);
add_to_alternates_file(ref_git_copy);
remote = remote_get(ref_git_copy);
transport = transport_get(remote, ref_git_copy);
for (extra = transport_get_remote_refs(transport); extra;
extra = extra->next)
add_extra_ref(extra->name, extra->old_sha1, 0);
transport_disconnect(transport);
free(ref_git_copy);
}
static int add_one_reference(struct string_list_item *item, void *cb_data)
{
char *ref_git;
struct strbuf alternate = STRBUF_INIT;
struct remote *remote;
struct transport *transport;
const struct ref *extra;
/* Beware: real_path() and mkpath() return static buffer */
ref_git = xstrdup(real_path(item->string));
if (is_directory(mkpath("%s/.git/objects", ref_git))) {
char *ref_git_git = xstrdup(mkpath("%s/.git", ref_git));
free(ref_git);
ref_git = ref_git_git;
} else if (!is_directory(mkpath("%s/objects", ref_git)))
die(_("reference repository '%s' is not a local directory."),
item->string);
strbuf_addf(&alternate, "%s/objects", ref_git);
add_to_alternates_file(alternate.buf);
strbuf_release(&alternate);
remote = remote_get(ref_git);
transport = transport_get(remote, ref_git);
for (extra = transport_get_remote_refs(transport); extra;
extra = extra->next)
add_extra_ref(extra->name, extra->old_sha1, 0);
transport_disconnect(transport);
free(ref_git);
return 0;
}
static void write_remote_refs(const struct ref *local_refs)
{
const struct ref *r;
for (r = local_refs; r; r = r->next)
add_extra_ref(r->peer_ref->name, r->old_sha1, 0);
pack_refs(PACK_REFS_ALL);
clear_extra_refs();
}
static struct ref *write_remote_refs(const struct ref *refs,
struct refspec *refspec, const char *reflog)
{
struct ref *local_refs = NULL;
struct ref **tail = &local_refs;
struct ref *r;
get_fetch_map(refs, refspec, &tail, 0);
if (!option_mirror)
get_fetch_map(refs, tag_refspec, &tail, 0);
for (r = local_refs; r; r = r->next)
add_extra_ref(r->peer_ref->name, r->old_sha1, 0);
pack_refs(PACK_REFS_ALL);
clear_extra_refs();
return local_refs;
}
static void add_one_alternate_sha1(const unsigned char sha1[20], void *unused)
{
add_extra_ref(".have", sha1, 0);
}