Merge branch 'db/clone-in-c'

* db/clone-in-c:
  Add test for cloning with "--reference" repo being a subset of source repo
  Add a test for another combination of --reference
  Test that --reference actually suppresses fetching referenced objects
  clone: fall back to copying if hardlinking fails
  builtin-clone.c: Need to closedir() in copy_or_link_directory()
  builtin-clone: fix initial checkout
  Build in clone
  Provide API access to init_db()
  Add a function to set a non-default work tree
  Allow for having for_each_ref() list extra refs
  Have a constant extern refspec for "--tags"
  Add a library function to add an alternate to the alternates file
  Add a lockfile function to append to a file
  Mark the list of refs to fetch as const

Conflicts:

	cache.h
	t/t5700-clone-reference.sh

1 files changed, 2 insertions, 0 deletions

diff --git a/remote.h b/remote.h
index c2f557357f..8eed87ba5a 100644
--- a/remote.h
+++ b/remote.h
@@ -53,6 +53,8 @@ struct refspec {
 	char *dst;
 };
 
+extern const struct refspec *tag_refspec;
+
 struct ref *alloc_ref(unsigned namelen);
 
 struct ref *alloc_ref_from_str(const char* str);