static int read_loose_refs(struct strbuf *path, int name_offset,
struct ref **tail)
{
DIR *dir = opendir(path->buf);
struct dirent *de;
struct {
char **entries;
int nr, alloc;
} list;
int i, pathlen;
if (!dir)
return -1;
memset (&list, 0, sizeof(list));
while ((de = readdir(dir))) {
if (is_dot_or_dotdot(de->d_name))
continue;
ALLOC_GROW(list.entries, list.nr + 1, list.alloc);
list.entries[list.nr++] = xstrdup(de->d_name);
}
closedir(dir);
/* sort the list */
qsort(list.entries, list.nr, sizeof(char *), str_cmp);
pathlen = path->len;
strbuf_addch(path, '/');
for (i = 0; i < list.nr; i++, strbuf_setlen(path, pathlen + 1)) {
strbuf_addstr(path, list.entries[i]);
if (read_loose_refs(path, name_offset, tail)) {
int fd = open(path->buf, O_RDONLY);
char buffer[40];
struct ref *next;
if (fd < 0)
continue;
next = alloc_ref(path->buf + name_offset);
if (read_in_full(fd, buffer, 40) != 40 ||
get_sha1_hex(buffer, next->old_sha1)) {
close(fd);
free(next);
continue;
}
close(fd);
(*tail)->next = next;
*tail = next;
}
}
strbuf_setlen(path, pathlen);
for (i = 0; i < list.nr; i++)
free(list.entries[i]);
free(list.entries);
return 0;
}
static struct ref *get_refs_via_rsync(struct transport *transport)
{
struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT;
struct ref dummy, *tail = &dummy;
struct child_process rsync;
const char *args[5];
int temp_dir_len;
/* copy the refs to the temporary directory */
strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX"));
if (!mkdtemp(temp_dir.buf))
die ("Could not make temporary directory");
temp_dir_len = temp_dir.len;
strbuf_addstr(&buf, transport->url);
strbuf_addstr(&buf, "/refs");
memset(&rsync, 0, sizeof(rsync));
rsync.argv = args;
rsync.stdout_to_stderr = 1;
args[0] = "rsync";
args[1] = (transport->verbose > 0) ? "-rv" : "-r";
args[2] = buf.buf;
args[3] = temp_dir.buf;
args[4] = NULL;
if (run_command(&rsync))
die ("Could not run rsync to get refs");
strbuf_reset(&buf);
strbuf_addstr(&buf, transport->url);
strbuf_addstr(&buf, "/packed-refs");
args[2] = buf.buf;
if (run_command(&rsync))
die ("Could not run rsync to get refs");
/* read the copied refs */
strbuf_addstr(&temp_dir, "/refs");
read_loose_refs(&temp_dir, temp_dir_len + 1, &tail);
strbuf_setlen(&temp_dir, temp_dir_len);
tail = &dummy;
strbuf_addstr(&temp_dir, "/packed-refs");
insert_packed_refs(temp_dir.buf, &tail);
strbuf_setlen(&temp_dir, temp_dir_len);
if (remove_dir_recursively(&temp_dir, 0))
warning ("Error removing temporary directory %s.",
temp_dir.buf);
strbuf_release(&buf);
strbuf_release(&temp_dir);
return dummy.next;
}
