#include "sigchain.h"
#include "transport.h"
#include "submodule.h"
+#include "connected.h"
static const char * const builtin_fetch_usage[] = {
"git fetch [<options>] [<repository> [<refspec>...]]",
}
}
-/*
- * The ref_map records the tips of the refs we are fetching. If
- *
- * $ git rev-list --verify-objects --stdin --not --all
- *
- * (feeding all the refs in ref_map on its standard input) does not
- * error out, that means everything reachable from these updated refs
- * locally exists and is connected to some of our existing refs.
- *
- * Returns 0 if everything is connected, non-zero otherwise.
- */
-static int check_everything_connected(struct ref *ref_map, int quiet)
+static int iterate_ref_map(void *cb_data, unsigned char sha1[20])
{
- struct child_process rev_list;
- const char *argv[] = {"rev-list", "--verify-objects",
- "--stdin", "--not", "--all", NULL, NULL};
- char commit[41];
- struct ref *ref;
- int err = 0;
-
- if (!ref_map)
- return 0;
-
- if (quiet)
- argv[5] = "--quiet";
-
- memset(&rev_list, 0, sizeof(rev_list));
- rev_list.argv = argv;
- rev_list.git_cmd = 1;
- rev_list.in = -1;
- rev_list.no_stdout = 1;
- rev_list.no_stderr = quiet;
- if (start_command(&rev_list))
- return error(_("Could not run 'git rev-list'"));
-
- sigchain_push(SIGPIPE, SIG_IGN);
-
- memcpy(commit + 40, "\n", 2);
- for (ref = ref_map; ref; ref = ref->next) {
- memcpy(commit, sha1_to_hex(ref->old_sha1), 40);
- if (write_in_full(rev_list.in, commit, 41) < 0) {
- if (errno != EPIPE && errno != EINVAL)
- error(_("failed write to rev-list: %s"),
- strerror(errno));
- err = -1;
- break;
- }
- }
- if (close(rev_list.in)) {
- error(_("failed to close rev-list's stdin: %s"), strerror(errno));
- err = -1;
- }
-
- sigchain_pop(SIGPIPE);
+ struct ref **rm = cb_data;
+ struct ref *ref = *rm;
- return finish_command(&rev_list) || err;
+ if (!ref)
+ return -1; /* end of the list */
+ *rm = ref->next;
+ hashcpy(sha1, ref->old_sha1);
+ return 0;
}
static int store_updated_refs(const char *raw_url, const char *remote_name,
else
url = xstrdup("foreign");
- if (check_everything_connected(ref_map, 0)) {
+ rm = ref_map;
- if (check_everything_connected(iterate_ref_map, 0, &rm))
- return error(_("%s did not send all necessary objects\n"), url);
++ if (check_everything_connected(iterate_ref_map, 0, &rm)) {
+ rc = error(_("%s did not send all necessary objects\n"), url);
+ goto abort;
+ }
for (rm = ref_map; rm; rm = rm->next) {
struct ref *ref = NULL;
fprintf(stderr, " %s\n", note);
}
}
- free(url);
- fclose(fp);
+
if (rc & STORE_REF_ERROR_DF_CONFLICT)
error(_("some local refs could not be updated; try running\n"
" 'git remote prune %s' to remove any old, conflicting "
"branches"), remote_name);
+
+ abort:
+ free(url);
+ fclose(fp);
return rc;
}
*/
static int quickfetch(struct ref *ref_map)
{
+ struct ref *rm = ref_map;
+
/*
* If we are deepening a shallow clone we already have these
* objects reachable. Running rev-list here will return with
*/
if (depth)
return -1;
- return check_everything_connected(ref_map, 1);
+ return check_everything_connected(iterate_ref_map, 1, &rm);
}
static int fetch_refs(struct transport *transport, struct ref *ref_map)
{
int i;
static const char **refs = NULL;
+ struct refspec *refspec;
int ref_nr = 0;
int exit_code;
sigchain_push_common(unlock_pack_on_signal);
atexit(unlock_pack);
- exit_code = do_fetch(transport,
- parse_fetch_refspec(ref_nr, refs), ref_nr);
+ refspec = parse_fetch_refspec(ref_nr, refs);
+ exit_code = do_fetch(transport, refspec, ref_nr);
+ free(refspec);
transport_disconnect(transport);
transport = NULL;
return exit_code;
argc = parse_options(argc, argv, prefix,
builtin_fetch_options, builtin_fetch_usage, 0);
+ if (recurse_submodules != RECURSE_SUBMODULES_OFF) {
+ if (recurse_submodules_default) {
+ int arg = parse_fetch_recurse_submodules_arg("--recurse-submodules-default", recurse_submodules_default);
+ set_config_fetch_recurse_submodules(arg);
+ }
+ gitmodules_config();
+ git_config(submodule_config, NULL);
+ }
+
if (all) {
if (argc == 1)
die(_("fetch --all does not take a repository argument"));
if (!result && (recurse_submodules != RECURSE_SUBMODULES_OFF)) {
const char *options[10];
int num_options = 0;
- if (recurse_submodules_default) {
- int arg = parse_fetch_recurse_submodules_arg("--recurse-submodules-default", recurse_submodules_default);
- set_config_fetch_recurse_submodules(arg);
- }
- gitmodules_config();
- git_config(submodule_config, NULL);
add_options_to_argv(&num_options, options);
result = fetch_populated_submodules(num_options, options,
submodule_prefix,