diff --git a/refs.c b/refs.c index 256fef5da0..bee9a4571e 100644 --- a/refs.c +++ b/refs.c @@ -9,6 +9,25 @@ #include "object.h" #include "tag.h" +/* + * List of all available backends + */ +static struct ref_storage_be *refs_backends = &refs_be_files; + +static struct ref_storage_be *find_ref_storage_backend(const char *name) +{ + struct ref_storage_be *be; + for (be = refs_backends; be; be = be->next) + if (!strcmp(be->name, name)) + return be; + return NULL; +} + +int ref_storage_backend_exists(const char *name) +{ + return find_ref_storage_backend(name) != NULL; +} + /* * How to handle various characters in refnames: * 0: An acceptable character for refs diff --git a/refs.h b/refs.h index 442c1a5db8..52ea93b8c3 100644 --- a/refs.h +++ b/refs.h @@ -544,4 +544,6 @@ int reflog_expire(const char *refname, const unsigned char *sha1, reflog_expiry_cleanup_fn cleanup_fn, void *policy_cb_data); +int ref_storage_backend_exists(const char *name); + #endif /* REFS_H */ diff --git a/refs/files-backend.c b/refs/files-backend.c index c229b56bd5..0102491b13 100644 --- a/refs/files-backend.c +++ b/refs/files-backend.c @@ -4066,3 +4066,8 @@ int reflog_expire(const char *refname, const unsigned char *sha1, unlock_ref(lock); return -1; } + +struct ref_storage_be refs_be_files = { + NULL, + "files" +}; diff --git a/refs/refs-internal.h b/refs/refs-internal.h index 0206e2b959..2c9d134021 100644 --- a/refs/refs-internal.h +++ b/refs/refs-internal.h @@ -525,4 +525,12 @@ int do_for_each_ref_iterator(struct ref_iterator *iter, int read_raw_ref(const char *refname, unsigned char *sha1, struct strbuf *referent, unsigned int *type); +/* refs backends */ +struct ref_storage_be { + struct ref_storage_be *next; + const char *name; +}; + +extern struct ref_storage_be refs_be_files; + #endif /* REFS_REFS_INTERNAL_H */