if (ce_stage(ce))
printf("%06o %s U\t", ce->ce_mode, sha1_to_hex(null_sha1));
else
- printf("%06o %s %d\t", ce->ce_mode, sha1_to_hex(ce->sha1), ce_stage(ce));
+ printf("%06o %s %d\t", ce->ce_mode,
+ oid_to_hex(&ce->oid), ce_stage(ce));
utf8_fprintf(stdout, "%s\n", ce->name);
}
}
static int clone_submodule(const char *path, const char *gitdir, const char *url,
- const char *depth, const char *reference, int quiet)
+ const char *depth, struct string_list *reference, int quiet)
{
- struct child_process cp;
- child_process_init(&cp);
+ struct child_process cp = CHILD_PROCESS_INIT;
argv_array_push(&cp.args, "clone");
argv_array_push(&cp.args, "--no-checkout");
argv_array_push(&cp.args, "--quiet");
if (depth && *depth)
argv_array_pushl(&cp.args, "--depth", depth, NULL);
- if (reference && *reference)
- argv_array_pushl(&cp.args, "--reference", reference, NULL);
+ if (reference->nr) {
+ struct string_list_item *item;
+ for_each_string_list_item(item, reference)
+ argv_array_pushl(&cp.args, "--reference",
+ item->string, NULL);
+ }
if (gitdir && *gitdir)
argv_array_pushl(&cp.args, "--separate-git-dir", gitdir, NULL);
return run_command(&cp);
}
+struct submodule_alternate_setup {
+ const char *submodule_name;
+ enum SUBMODULE_ALTERNATE_ERROR_MODE {
+ SUBMODULE_ALTERNATE_ERROR_DIE,
+ SUBMODULE_ALTERNATE_ERROR_INFO,
+ SUBMODULE_ALTERNATE_ERROR_IGNORE
+ } error_mode;
+ struct string_list *reference;
+};
+#define SUBMODULE_ALTERNATE_SETUP_INIT { NULL, \
+ SUBMODULE_ALTERNATE_ERROR_IGNORE, NULL }
+
+static int add_possible_reference_from_superproject(
+ struct alternate_object_database *alt, void *sas_cb)
+{
+ struct submodule_alternate_setup *sas = sas_cb;
+
+ /* directory name, minus trailing slash */
+ size_t namelen = alt->name - alt->base - 1;
+ struct strbuf name = STRBUF_INIT;
+ strbuf_add(&name, alt->base, namelen);
+
+ /*
+ * If the alternate object store is another repository, try the
+ * standard layout with .git/modules/<name>/objects
+ */
+ if (ends_with(name.buf, ".git/objects")) {
+ char *sm_alternate;
+ struct strbuf sb = STRBUF_INIT;
+ struct strbuf err = STRBUF_INIT;
+ strbuf_add(&sb, name.buf, name.len - strlen("objects"));
+ /*
+ * We need to end the new path with '/' to mark it as a dir,
+ * otherwise a submodule name containing '/' will be broken
+ * as the last part of a missing submodule reference would
+ * be taken as a file name.
+ */
+ strbuf_addf(&sb, "modules/%s/", sas->submodule_name);
+
+ sm_alternate = compute_alternate_path(sb.buf, &err);
+ if (sm_alternate) {
+ string_list_append(sas->reference, xstrdup(sb.buf));
+ free(sm_alternate);
+ } else {
+ switch (sas->error_mode) {
+ case SUBMODULE_ALTERNATE_ERROR_DIE:
+ die(_("submodule '%s' cannot add alternate: %s"),
+ sas->submodule_name, err.buf);
+ case SUBMODULE_ALTERNATE_ERROR_INFO:
+ fprintf(stderr, _("submodule '%s' cannot add alternate: %s"),
+ sas->submodule_name, err.buf);
+ case SUBMODULE_ALTERNATE_ERROR_IGNORE:
+ ; /* nothing */
+ }
+ }
+ strbuf_release(&sb);
+ }
+
+ strbuf_release(&name);
+ return 0;
+}
+
+static void prepare_possible_alternates(const char *sm_name,
+ struct string_list *reference)
+{
+ char *sm_alternate = NULL, *error_strategy = NULL;
+ struct submodule_alternate_setup sas = SUBMODULE_ALTERNATE_SETUP_INIT;
+
+ git_config_get_string("submodule.alternateLocation", &sm_alternate);
+ if (!sm_alternate)
+ return;
+
+ git_config_get_string("submodule.alternateErrorStrategy", &error_strategy);
+
+ if (!error_strategy)
+ error_strategy = xstrdup("die");
+
+ sas.submodule_name = sm_name;
+ sas.reference = reference;
+ if (!strcmp(error_strategy, "die"))
+ sas.error_mode = SUBMODULE_ALTERNATE_ERROR_DIE;
+ else if (!strcmp(error_strategy, "info"))
+ sas.error_mode = SUBMODULE_ALTERNATE_ERROR_INFO;
+ else if (!strcmp(error_strategy, "ignore"))
+ sas.error_mode = SUBMODULE_ALTERNATE_ERROR_IGNORE;
+ else
+ die(_("Value '%s' for submodule.alternateErrorStrategy is not recognized"), error_strategy);
+
+ if (!strcmp(sm_alternate, "superproject"))
+ foreach_alt_odb(add_possible_reference_from_superproject, &sas);
+ else if (!strcmp(sm_alternate, "no"))
+ ; /* do nothing */
+ else
+ die(_("Value '%s' for submodule.alternateLocation is not recognized"), sm_alternate);
+
+ free(sm_alternate);
+ free(error_strategy);
+}
+
static int module_clone(int argc, const char **argv, const char *prefix)
{
- const char *name = NULL, *url = NULL;
- const char *reference = NULL, *depth = NULL;
+ const char *name = NULL, *url = NULL, *depth = NULL;
int quiet = 0;
FILE *submodule_dot_git;
char *p, *path = NULL, *sm_gitdir;
struct strbuf rel_path = STRBUF_INIT;
struct strbuf sb = STRBUF_INIT;
+ struct string_list reference = STRING_LIST_INIT_NODUP;
struct option module_clone_options[] = {
OPT_STRING(0, "prefix", &prefix,
OPT_STRING(0, "url", &url,
N_("string"),
N_("url where to clone the submodule from")),
- OPT_STRING(0, "reference", &reference,
- N_("string"),
+ OPT_STRING_LIST(0, "reference", &reference,
+ N_("repo"),
N_("reference repository")),
OPT_STRING(0, "depth", &depth,
N_("string"),
if (!file_exists(sm_gitdir)) {
if (safe_create_leading_directories_const(sm_gitdir) < 0)
die(_("could not create directory '%s'"), sm_gitdir);
- if (clone_submodule(path, sm_gitdir, url, depth, reference, quiet))
+
+ prepare_possible_alternates(name, &reference);
+
+ if (clone_submodule(path, sm_gitdir, url, depth, &reference, quiet))
die(_("clone of '%s' into submodule path '%s' failed"),
url, path);
} else {
/* configuration parameters which are passed on to the children */
int quiet;
- const char *reference;
+ int recommend_shallow;
+ struct string_list references;
const char *depth;
const char *recursive_prefix;
const char *prefix;
/* If we want to stop as fast as possible and return an error */
unsigned quickstop : 1;
+
+ /* failed clones to be retried again */
+ const struct cache_entry **failed_clones;
+ int failed_clones_nr, failed_clones_alloc;
};
#define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \
- SUBMODULE_UPDATE_STRATEGY_INIT, 0, NULL, NULL, NULL, NULL, \
- STRING_LIST_INIT_DUP, 0}
+ SUBMODULE_UPDATE_STRATEGY_INIT, 0, -1, STRING_LIST_INIT_DUP, \
+ NULL, NULL, NULL, \
+ STRING_LIST_INIT_DUP, 0, NULL, 0, 0}
static void next_submodule_warn_missing(struct submodule_update_clone *suc,
strbuf_reset(&sb);
strbuf_addf(&sb, "%06o %s %d %d\t%s\n", ce->ce_mode,
- sha1_to_hex(ce->sha1), ce_stage(ce),
+ oid_to_hex(&ce->oid), ce_stage(ce),
needs_cloning, ce->name);
string_list_append(&suc->projectlines, sb.buf);
argv_array_push(&child->args, "--quiet");
if (suc->prefix)
argv_array_pushl(&child->args, "--prefix", suc->prefix, NULL);
+ if (suc->recommend_shallow && sub->recommend_shallow == 1)
+ argv_array_push(&child->args, "--depth=1");
argv_array_pushl(&child->args, "--path", sub->path, NULL);
argv_array_pushl(&child->args, "--name", sub->name, NULL);
argv_array_pushl(&child->args, "--url", url, NULL);
- if (suc->reference)
- argv_array_push(&child->args, suc->reference);
+ if (suc->references.nr) {
+ struct string_list_item *item;
+ for_each_string_list_item(item, &suc->references)
+ argv_array_pushl(&child->args, "--reference", item->string, NULL);
+ }
if (suc->depth)
argv_array_push(&child->args, suc->depth);
static int update_clone_get_next_task(struct child_process *child,
struct strbuf *err,
void *suc_cb,
- void **void_task_cb)
+ void **idx_task_cb)
{
struct submodule_update_clone *suc = suc_cb;
+ const struct cache_entry *ce;
+ int index;
for (; suc->current < suc->list.nr; suc->current++) {
- const struct cache_entry *ce = suc->list.entries[suc->current];
+ ce = suc->list.entries[suc->current];
if (prepare_to_clone_next_submodule(ce, child, suc, err)) {
+ int *p = xmalloc(sizeof(*p));
+ *p = suc->current;
+ *idx_task_cb = p;
suc->current++;
return 1;
}
}
+
+ /*
+ * The loop above tried cloning each submodule once, now try the
+ * stragglers again, which we can imagine as an extension of the
+ * entry list.
+ */
+ index = suc->current - suc->list.nr;
+ if (index < suc->failed_clones_nr) {
+ int *p;
+ ce = suc->failed_clones[index];
+ if (!prepare_to_clone_next_submodule(ce, child, suc, err)) {
+ suc->current ++;
+ strbuf_addf(err, "BUG: submodule considered for cloning,"
+ "doesn't need cloning any more?\n");
+ return 0;
+ }
+ p = xmalloc(sizeof(*p));
+ *p = suc->current;
+ *idx_task_cb = p;
+ suc->current ++;
+ return 1;
+ }
+
return 0;
}
static int update_clone_start_failure(struct strbuf *err,
void *suc_cb,
- void *void_task_cb)
+ void *idx_task_cb)
{
struct submodule_update_clone *suc = suc_cb;
suc->quickstop = 1;
static int update_clone_task_finished(int result,
struct strbuf *err,
void *suc_cb,
- void *void_task_cb)
+ void *idx_task_cb)
{
+ const struct cache_entry *ce;
struct submodule_update_clone *suc = suc_cb;
+ int *idxP = *(int**)idx_task_cb;
+ int idx = *idxP;
+ free(idxP);
+
if (!result)
return 0;
- suc->quickstop = 1;
- return 1;
+ if (idx < suc->list.nr) {
+ ce = suc->list.entries[idx];
+ strbuf_addf(err, _("Failed to clone '%s'. Retry scheduled"),
+ ce->name);
+ strbuf_addch(err, '\n');
+ ALLOC_GROW(suc->failed_clones,
+ suc->failed_clones_nr + 1,
+ suc->failed_clones_alloc);
+ suc->failed_clones[suc->failed_clones_nr++] = ce;
+ return 0;
+ } else {
+ idx -= suc->list.nr;
+ ce = suc->failed_clones[idx];
+ strbuf_addf(err, _("Failed to clone '%s' a second time, aborting"),
+ ce->name);
+ strbuf_addch(err, '\n');
+ suc->quickstop = 1;
+ return 1;
+ }
+
+ return 0;
}
static int update_clone(int argc, const char **argv, const char *prefix)
OPT_STRING(0, "update", &update,
N_("string"),
N_("rebase, merge, checkout or none")),
- OPT_STRING(0, "reference", &suc.reference, N_("repo"),
+ OPT_STRING_LIST(0, "reference", &suc.references, N_("repo"),
N_("reference repository")),
OPT_STRING(0, "depth", &suc.depth, "<depth>",
N_("Create a shallow clone truncated to the "
"specified number of revisions")),
OPT_INTEGER('j', "jobs", &max_jobs,
N_("parallel jobs")),
+ OPT_BOOL(0, "recommend-shallow", &suc.recommend_shallow,
+ N_("whether the initial clone should follow the shallow recommendation")),
OPT__QUIET(&suc.quiet, N_("don't print cloning progress")),
OPT_END()
};
{
struct strbuf sb = STRBUF_INIT;
if (argc != 3)
- die("submodule--helper relative_path takes exactly 2 arguments, got %d", argc);
+ die("submodule--helper relative-path takes exactly 2 arguments, got %d", argc);
printf("%s", relative_path(argv[1], argv[2], &sb));
strbuf_release(&sb);
return 0;
}
+static const char *remote_submodule_branch(const char *path)
+{
+ const struct submodule *sub;
+ gitmodules_config();
+ git_config(submodule_config, NULL);
+
+ sub = submodule_from_path(null_sha1, path);
+ if (!sub)
+ return NULL;
+
+ if (!sub->branch)
+ return "master";
+
+ if (!strcmp(sub->branch, ".")) {
+ unsigned char sha1[20];
+ const char *refname = resolve_ref_unsafe("HEAD", 0, sha1, NULL);
+
+ if (!refname)
+ die(_("No such ref: %s"), "HEAD");
+
+ /* detached HEAD */
+ if (!strcmp(refname, "HEAD"))
+ die(_("Submodule (%s) branch configured to inherit "
+ "branch from superproject, but the superproject "
+ "is not on any branch"), sub->name);
+
+ if (!skip_prefix(refname, "refs/heads/", &refname))
+ die(_("Expecting a full ref name, got %s"), refname);
+ return refname;
+ }
+
+ return sub->branch;
+}
+
+static int resolve_remote_submodule_branch(int argc, const char **argv,
+ const char *prefix)
+{
+ const char *ret;
+ struct strbuf sb = STRBUF_INIT;
+ if (argc != 2)
+ die("submodule--helper remote-branch takes exactly one arguments, got %d", argc);
+
+ ret = remote_submodule_branch(argv[1]);
+ if (!ret)
+ die("submodule %s doesn't exist", argv[1]);
+
+ printf("%s", ret);
+ strbuf_release(&sb);
+ return 0;
+}
+
struct cmd_struct {
const char *cmd;
int (*fn)(int, const char **, const char *);
{"relative-path", resolve_relative_path},
{"resolve-relative-url", resolve_relative_url},
{"resolve-relative-url-test", resolve_relative_url_test},
- {"init", module_init}
+ {"init", module_init},
+ {"remote-branch", resolve_remote_submodule_branch}
};
int cmd_submodule__helper(int argc, const char **argv, const char *prefix)