trailer: streamline trailer item create and add

diff --git a/refs/refs-internal.h b/refs/refs-internal.h
index ade65010d404b6ec868c99c908d6a4fd3199da84..708b26082aebcc4c0f9c215db4c96dce15beec67 100644 (file)
--- a/refs/refs-internal.h
+++ b/refs/refs-internal.h
@@ -162,7 +162,7 @@ struct ref_update {
         */
        unsigned int flags;
 
-       struct ref_lock *lock;
+       void *backend_data;
        unsigned int type;
        char *msg;
 
@@ -467,10 +467,18 @@ extern struct ref_iterator *current_ref_iter;
 int do_for_each_ref_iterator(struct ref_iterator *iter,
                             each_ref_fn fn, void *cb_data);
 
-/* refs backends */
+/*
+ * Only include per-worktree refs in a do_for_each_ref*() iteration.
+ * Normally this will be used with a files ref_store, since that's
+ * where all reference backends will presumably store their
+ * per-worktree refs.
+ */
+#define DO_FOR_EACH_PER_WORKTREE_ONLY 0x02
 
 struct ref_store;
 
+/* refs backends */
+
 /*
  * Initialize the ref_store for the specified submodule, or for the
  * main repository if submodule == NULL. These functions should call
@@ -479,6 +487,8 @@ struct ref_store;
  */
 typedef struct ref_store *ref_store_init_fn(const char *submodule);
 
+typedef int ref_init_db_fn(struct ref_store *refs, struct strbuf *err);
+
 typedef int ref_transaction_commit_fn(struct ref_store *refs,
                                      struct ref_transaction *transaction,
                                      struct strbuf *err);
@@ -492,6 +502,9 @@ typedef int create_symref_fn(struct ref_store *ref_store,
                             const char *logmsg);
 typedef int delete_refs_fn(struct ref_store *ref_store,
                           struct string_list *refnames, unsigned int flags);
+typedef int rename_ref_fn(struct ref_store *ref_store,
+                         const char *oldref, const char *newref,
+                         const char *logmsg);
 
 /*
  * Iterate over the references in the specified ref_store that are
@@ -583,6 +596,7 @@ struct ref_storage_be {
        struct ref_storage_be *next;
        const char *name;
        ref_store_init_fn *init;
+       ref_init_db_fn *init_db;
        ref_transaction_commit_fn *transaction_commit;
        ref_transaction_commit_fn *initial_transaction_commit;
 
@@ -590,6 +604,7 @@ struct ref_storage_be {
        peel_ref_fn *peel_ref;
        create_symref_fn *create_symref;
        delete_refs_fn *delete_refs;
+       rename_ref_fn *rename_ref;
 
        ref_iterator_begin_fn *iterator_begin;
        read_raw_ref_fn *read_raw_ref;