[PATCH v4 2/7] builtin/merge: make checkout_fast_forward() non static

[Christian Couder <chriscool@tuxfamily.org>]

From: Junio C Hamano <gitster@pobox.com>

and also export it in "cache.h".

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
---
 builtin/merge.c |    2 +-
 cache.h         |    3 +++
 2 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/builtin/merge.c b/builtin/merge.c
index 3aaec7b..c043066 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -667,7 +667,7 @@ static int count_unmerged_entries(void)
 	return ret;
 }
 
-static int checkout_fast_forward(unsigned char *head, unsigned char *remote)
+int checkout_fast_forward(const unsigned char *head, const unsigned char *remote)
 {
 	struct tree *trees[MAX_UNPACK_TREES];
 	struct unpack_trees_options opts;
diff --git a/cache.h b/cache.h
index 89f6a40..0608b55 100644
--- a/cache.h
+++ b/cache.h
@@ -1054,4 +1054,7 @@ void overlay_tree_on_cache(const char *tree_name, const char *prefix);
 char *alias_lookup(const char *alias);
 int split_cmdline(char *cmdline, const char ***argv);
 
+/* builtin/merge.c */
+int checkout_fast_forward(const unsigned char *from, const unsigned char *to);
+
 #endif /* CACHE_H */
-- 
1.7.0.1.307.g861f4