#include "sha1-array.h"
#include "sigchain.h"
-/* rsync support */
-
-/*
- * We copy packed-refs and refs/ into a temporary file, then read the
- * loose refs recursively (sorting whenever possible), and then inserting
- * those packed refs that are not yet in the list (not validating, but
- * assuming that the file is sorted).
- *
- * Appears refactoring this from refs.c is too cumbersome.
- */
-
-static int str_cmp(const void *a, const void *b)
-{
- const char *s1 = a;
- const char *s2 = b;
-
- return strcmp(s1, s2);
-}
-
-/* path->buf + name_offset is expected to point to "refs/" */
-
-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_oid_hex(buffer, &next->old_oid)) {
- 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;
-}
-
-/* insert the packed refs for which no loose refs were found */
-
-static void insert_packed_refs(const char *packed_refs, struct ref **list)
-{
- FILE *f = fopen(packed_refs, "r");
- static char buffer[PATH_MAX];
-
- if (!f)
- return;
-
- for (;;) {
- int cmp = 0; /* assigned before used */
- int len;
-
- if (!fgets(buffer, sizeof(buffer), f)) {
- fclose(f);
- return;
- }
-
- if (!isxdigit(buffer[0]))
- continue;
- len = strlen(buffer);
- if (len && buffer[len - 1] == '\n')
- buffer[--len] = '\0';
- if (len < 41)
- continue;
- while ((*list)->next &&
- (cmp = strcmp(buffer + 41,
- (*list)->next->name)) > 0)
- list = &(*list)->next;
- if (!(*list)->next || cmp < 0) {
- struct ref *next = alloc_ref(buffer + 41);
- buffer[40] = '\0';
- if (get_oid_hex(buffer, &next->old_oid)) {
- warning ("invalid SHA-1: %s", buffer);
- free(next);
- continue;
- }
- next->next = (*list)->next;
- (*list)->next = next;
- list = &(*list)->next;
- }
- }
-}
-
static void set_upstreams(struct transport *transport, struct ref *refs,
int pretend)
{
}
}
-static const char *rsync_url(const char *url)
-{
- if (!starts_with(url, "rsync://"))
- skip_prefix(url, "rsync:", &url);
- return url;
-}
-
-static struct ref *get_refs_via_rsync(struct transport *transport, int for_push)
-{
- struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT;
- struct ref dummy = {NULL}, *tail = &dummy;
- struct child_process rsync = CHILD_PROCESS_INIT;
- const char *args[5];
- int temp_dir_len;
-
- if (for_push)
- return NULL;
-
- /* copy the refs to the temporary directory */
-
- strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX"));
- if (!mkdtemp(temp_dir.buf))
- die_errno ("Could not make temporary directory");
- temp_dir_len = temp_dir.len;
-
- strbuf_addstr(&buf, rsync_url(transport->url));
- strbuf_addstr(&buf, "/refs");
-
- rsync.argv = args;
- rsync.stdout_to_stderr = 1;
- args[0] = "rsync";
- args[1] = (transport->verbose > 1) ? "-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, rsync_url(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;
-}
-
-static int fetch_objs_via_rsync(struct transport *transport,
- int nr_objs, struct ref **to_fetch)
-{
- struct child_process rsync = CHILD_PROCESS_INIT;
-
- rsync.stdout_to_stderr = 1;
- argv_array_push(&rsync.args, "rsync");
- argv_array_push(&rsync.args, (transport->verbose > 1) ? "-rv" : "-r");
- argv_array_push(&rsync.args, "--ignore-existing");
- argv_array_push(&rsync.args, "--exclude");
- argv_array_push(&rsync.args, "info");
- argv_array_pushf(&rsync.args, "%s/objects/", rsync_url(transport->url));
- argv_array_push(&rsync.args, get_object_directory());
-
- /* NEEDSWORK: handle one level of alternates */
- return run_command(&rsync);
-}
-
-static int write_one_ref(const char *name, const struct object_id *oid,
- int flags, void *data)
-{
- struct strbuf *buf = data;
- int len = buf->len;
-
- /* when called via for_each_ref(), flags is non-zero */
- if (flags && !starts_with(name, "refs/heads/") &&
- !starts_with(name, "refs/tags/"))
- return 0;
-
- strbuf_addstr(buf, name);
- if (safe_create_leading_directories(buf->buf) ||
- write_file_gently(buf->buf, "%s", oid_to_hex(oid)))
- return error("problems writing temporary file %s: %s",
- buf->buf, strerror(errno));
- strbuf_setlen(buf, len);
- return 0;
-}
-
-static int write_refs_to_temp_dir(struct strbuf *temp_dir,
- int refspec_nr, const char **refspec)
-{
- int i;
-
- for (i = 0; i < refspec_nr; i++) {
- struct object_id oid;
- char *ref;
-
- if (dwim_ref(refspec[i], strlen(refspec[i]), oid.hash, &ref) != 1)
- return error("Could not get ref %s", refspec[i]);
-
- if (write_one_ref(ref, &oid, 0, temp_dir)) {
- free(ref);
- return -1;
- }
- free(ref);
- }
- return 0;
-}
-
-static int rsync_transport_push(struct transport *transport,
- int refspec_nr, const char **refspec, int flags)
-{
- struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT;
- int result = 0, i;
- struct child_process rsync = CHILD_PROCESS_INIT;
- const char *args[10];
-
- if (flags & TRANSPORT_PUSH_MIRROR)
- return error("rsync transport does not support mirror mode");
-
- /* first push the objects */
-
- strbuf_addstr(&buf, rsync_url(transport->url));
- strbuf_addch(&buf, '/');
-
- rsync.argv = args;
- rsync.stdout_to_stderr = 1;
- i = 0;
- args[i++] = "rsync";
- args[i++] = "-a";
- if (flags & TRANSPORT_PUSH_DRY_RUN)
- args[i++] = "--dry-run";
- if (transport->verbose > 1)
- args[i++] = "-v";
- args[i++] = "--ignore-existing";
- args[i++] = "--exclude";
- args[i++] = "info";
- args[i++] = get_object_directory();
- args[i++] = buf.buf;
- args[i++] = NULL;
-
- if (run_command(&rsync))
- return error("Could not push objects to %s",
- rsync_url(transport->url));
-
- /* copy the refs to the temporary directory; they could be packed. */
-
- strbuf_addstr(&temp_dir, git_path("rsync-refs-XXXXXX"));
- if (!mkdtemp(temp_dir.buf))
- die_errno ("Could not make temporary directory");
- strbuf_addch(&temp_dir, '/');
-
- if (flags & TRANSPORT_PUSH_ALL) {
- if (for_each_ref(write_one_ref, &temp_dir))
- return -1;
- } else if (write_refs_to_temp_dir(&temp_dir, refspec_nr, refspec))
- return -1;
-
- i = 2;
- if (flags & TRANSPORT_PUSH_DRY_RUN)
- args[i++] = "--dry-run";
- if (!(flags & TRANSPORT_PUSH_FORCE))
- args[i++] = "--ignore-existing";
- args[i++] = temp_dir.buf;
- args[i++] = rsync_url(transport->url);
- args[i++] = NULL;
- if (run_command(&rsync))
- result = error("Could not push to %s",
- rsync_url(transport->url));
-
- if (remove_dir_recursively(&temp_dir, 0))
- warning ("Could not remove temporary directory %s.",
- temp_dir.buf);
-
- strbuf_release(&buf);
- strbuf_release(&temp_dir);
-
- return result;
-}
-
struct bundle_transport_data {
int fd;
struct bundle_header header;
if (helper) {
transport_helper_init(ret, helper);
} else if (starts_with(url, "rsync:")) {
- transport_check_allowed("rsync");
- ret->get_refs_list = get_refs_via_rsync;
- ret->fetch = fetch_objs_via_rsync;
- ret->push = rsync_transport_push;
- ret->smart_options = NULL;
+ die("git-over-rsync is no longer supported");
} else if (url_is_local_not_ssh(url) && is_file(url) && is_bundle(url, 1)) {
struct bundle_transport_data *data = xcalloc(1, sizeof(*data));
transport_check_allowed("file");