TAGS_SET = 2
};
-enum {
- RECURSE_SUBMODULES_OFF = 0,
- RECURSE_SUBMODULES_DEFAULT = 1,
- RECURSE_SUBMODULES_ON = 2
-};
-
static int all, append, dry_run, force, keep, multiple, prune, update_head_ok, verbosity;
static int progress, recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
static int tags = TAGS_DEFAULT;
static struct strbuf default_rla = STRBUF_INIT;
static struct transport *transport;
static const char *submodule_prefix = "";
+static const char *recurse_submodules_default;
+
+static int option_parse_recurse_submodules(const struct option *opt,
+ const char *arg, int unset)
+{
+ if (unset) {
+ recurse_submodules = RECURSE_SUBMODULES_OFF;
+ } else {
+ if (arg)
+ recurse_submodules = parse_fetch_recurse_submodules_arg(opt->long_name, arg);
+ else
+ recurse_submodules = RECURSE_SUBMODULES_ON;
+ }
+ return 0;
+}
static struct option builtin_fetch_options[] = {
OPT__VERBOSITY(&verbosity),
"fetch from all remotes"),
OPT_BOOLEAN('a', "append", &append,
"append to .git/FETCH_HEAD instead of overwriting"),
- OPT_STRING(0, "upload-pack", &upload_pack, "PATH",
+ OPT_STRING(0, "upload-pack", &upload_pack, "path",
"path to upload pack on remote end"),
OPT__FORCE(&force, "force overwrite of local branch"),
OPT_BOOLEAN('m', "multiple", &multiple,
"do not fetch all tags (--no-tags)", TAGS_UNSET),
OPT_BOOLEAN('p', "prune", &prune,
"prune remote-tracking branches no longer on remote"),
- OPT_SET_INT(0, "recurse-submodules", &recurse_submodules,
+ { OPTION_CALLBACK, 0, "recurse-submodules", NULL, "on-demand",
"control recursive fetching of submodules",
- RECURSE_SUBMODULES_ON),
+ PARSE_OPT_OPTARG, option_parse_recurse_submodules },
OPT_BOOLEAN(0, "dry-run", &dry_run,
"dry run"),
OPT_BOOLEAN('k', "keep", &keep, "keep downloaded pack"),
OPT_BOOLEAN('u', "update-head-ok", &update_head_ok,
"allow updating of HEAD ref"),
OPT_BOOLEAN(0, "progress", &progress, "force progress reporting"),
- OPT_STRING(0, "depth", &depth, "DEPTH",
+ OPT_STRING(0, "depth", &depth, "depth",
"deepen history of shallow clone"),
- { OPTION_STRING, 0, "submodule-prefix", &submodule_prefix, "DIR",
+ { OPTION_STRING, 0, "submodule-prefix", &submodule_prefix, "dir",
"prepend this to submodule path output", PARSE_OPT_HIDDEN },
+ { OPTION_STRING, 0, "recurse-submodules-default",
+ &recurse_submodules_default, NULL,
+ "default mode for recursion", PARSE_OPT_HIDDEN },
OPT_END()
};
else {
msg = "storing head";
what = _("[new branch]");
+ if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
+ (recurse_submodules != RECURSE_SUBMODULES_ON))
+ check_for_new_submodule_commits(ref->new_sha1);
}
r = s_update_ref(msg, ref, 0);
strcpy(quickref, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV));
strcat(quickref, "..");
strcat(quickref, find_unique_abbrev(ref->new_sha1, DEFAULT_ABBREV));
+ if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
+ (recurse_submodules != RECURSE_SUBMODULES_ON))
+ check_for_new_submodule_commits(ref->new_sha1);
r = s_update_ref("fast-forward", ref, 1);
sprintf(display, "%c %-*s %-*s -> %s%s", r ? '!' : ' ',
TRANSPORT_SUMMARY_WIDTH, quickref, REFCOL_WIDTH, remote,
strcpy(quickref, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV));
strcat(quickref, "...");
strcat(quickref, find_unique_abbrev(ref->new_sha1, DEFAULT_ABBREV));
+ if ((recurse_submodules != RECURSE_SUBMODULES_OFF) &&
+ (recurse_submodules != RECURSE_SUBMODULES_ON))
+ check_for_new_submodule_commits(ref->new_sha1);
r = s_update_ref("forced-update", ref, 1);
sprintf(display, "%c %-*s %-*s -> %s (%s)", r ? '!' : '+',
TRANSPORT_SUMMARY_WIDTH, quickref, REFCOL_WIDTH, remote,
}
}
+/*
+ * 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)
+{
+ 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);
+
+ commit[40] = '\n';
+ 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);
+
+ return finish_command(&rev_list) || err;
+}
+
static int store_updated_refs(const char *raw_url, const char *remote_name,
struct ref *ref_map)
{
url = transport_anonymize_url(raw_url);
else
url = xstrdup("foreign");
+
+ if (check_everything_connected(ref_map, 0))
+ return error(_("%s did not send all necessary objects\n"), url);
+
for (rm = ref_map; rm; rm = rm->next) {
struct ref *ref = NULL;
* We would want to bypass the object transfer altogether if
* everything we are going to fetch already exists and is connected
* locally.
- *
- * The refs we are going to fetch are in ref_map. If running
- *
- * $ git rev-list --objects --stdin --not --all
- *
- * (feeding all the refs in ref_map on its standard input)
- * does not error out, that means everything reachable from the
- * refs we are going to fetch exists and is connected to some of
- * our existing refs.
*/
static int quickfetch(struct ref *ref_map)
{
- struct child_process revlist;
- struct ref *ref;
- int err;
- const char *argv[] = {"rev-list",
- "--quiet", "--objects", "--stdin", "--not", "--all", NULL};
-
/*
* If we are deepening a shallow clone we already have these
* objects reachable. Running rev-list here will return with
*/
if (depth)
return -1;
-
- if (!ref_map)
- return 0;
-
- memset(&revlist, 0, sizeof(revlist));
- revlist.argv = argv;
- revlist.git_cmd = 1;
- revlist.no_stdout = 1;
- revlist.no_stderr = 1;
- revlist.in = -1;
-
- err = start_command(&revlist);
- if (err) {
- error(_("could not run rev-list"));
- return err;
- }
-
- /*
- * If rev-list --stdin encounters an unknown commit, it terminates,
- * which will cause SIGPIPE in the write loop below.
- */
- sigchain_push(SIGPIPE, SIG_IGN);
-
- for (ref = ref_map; ref; ref = ref->next) {
- if (write_in_full(revlist.in, sha1_to_hex(ref->old_sha1), 40) < 0 ||
- write_str_in_full(revlist.in, "\n") < 0) {
- if (errno != EPIPE && errno != EINVAL)
- error(_("failed write to rev-list: %s"), strerror(errno));
- err = -1;
- break;
- }
- }
-
- if (close(revlist.in)) {
- error(_("failed to close rev-list's stdin: %s"), strerror(errno));
- err = -1;
- }
-
- sigchain_pop(SIGPIPE);
-
- return finish_command(&revlist) || err;
+ return check_everything_connected(ref_map, 1);
}
static int fetch_refs(struct transport *transport, struct ref *ref_map)
argv[(*argc)++] = "--keep";
if (recurse_submodules == RECURSE_SUBMODULES_ON)
argv[(*argc)++] = "--recurse-submodules";
+ else if (recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND)
+ argv[(*argc)++] = "--recurse-submodules=on-demand";
if (verbosity >= 2)
argv[(*argc)++] = "-v";
if (verbosity >= 1)
struct remote *remote;
int result = 0;
+ packet_trace_identity("fetch");
+
/* Record the command line for the reflog */
strbuf_addstr(&default_rla, "fetch");
for (i = 1; i < argc; i++)
if (!result && (recurse_submodules != RECURSE_SUBMODULES_OFF)) {
const char *options[10];
int num_options = 0;
- /* Set recursion as default when we already are recursing */
- if (submodule_prefix[0])
- set_config_fetch_recurse_submodules(1);
+ 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,
- recurse_submodules == RECURSE_SUBMODULES_ON,
+ recurse_submodules,
verbosity < 0);
}