Merge branch 'kn/ref-location'

Allow the directory in which reference backends store their data to
be specified.

* kn/ref-location:
  refs: add GIT_REFERENCE_BACKEND to specify reference backend
  refs: allow reference location in refstorage config
  refs: receive and use the reference storage payload
  refs: move out stub modification to generic layer
  refs: extract out `refs_create_refdir_stubs()`
  setup: don't modify repo in `create_reference_database()`

1 files changed, 13 insertions, 0 deletions

diff --git a/refs.h b/refs.h
index f16b1b697b..f3a1d604ad 100644
--- a/refs.h
+++ b/refs.h
@@ -1428,4 +1428,17 @@ void ref_iterator_free(struct ref_iterator *ref_iterator);
 int do_for_each_ref_iterator(struct ref_iterator *iter,
 			     each_ref_fn fn, void *cb_data);
 
+/*
+ * Git only recognizes a directory as a repository if it contains:
+ * - HEAD file
+ * - refs/ folder
+ * While it is necessary within the files backend, newer backends may not
+ * follow the same structure. To go around this, we create stubs as necessary.
+ *
+ * If provided with a 'refs_heads_content', we create the 'refs/heads/head' file
+ * with the provided message.
+ */
+void refs_create_refdir_stubs(struct repository *repo, const char *refdir,
+			      const char *refs_heads_content);
+
 #endif /* REFS_H */