static int add_possible_reference_from_superproject(
struct alternate_object_database *alt, void *sas_cb)
{
struct submodule_alternate_setup *sas = sas_cb;
/*
* If the alternate object store is another repository, try the
* standard layout with .git/(modules/<name>)+/objects
*/
if (ends_with(alt->path, "/objects")) {
char *sm_alternate;
struct strbuf sb = STRBUF_INIT;
struct strbuf err = STRBUF_INIT;
strbuf_add(&sb, alt->path, strlen(alt->path) - 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);
}
return 0;
}
static int add_one_reference(struct string_list_item *item, void *cb_data)
{
struct strbuf err = STRBUF_INIT;
int *required = cb_data;
char *ref_git = compute_alternate_path(item->string, &err);
if (!ref_git) {
if (*required)
die("%s", err.buf);
else
fprintf(stderr,
_("info: Could not add alternate for '%s': %s\n"),
item->string, err.buf);
} else {
struct strbuf sb = STRBUF_INIT;
strbuf_addf(&sb, "%s/objects", ref_git);
add_to_alternates_file(sb.buf);
strbuf_release(&sb);
}
strbuf_release(&err);
free(ref_git);
return 0;
}