[PATCH v2 4/4] Refactoring: remove duplicated code from builtin-checkout.c and merge-recursive.c

[Michael Lukashov <michael.lukashov@gmail.com>]

The following functions are duplicated:

  fill_mm

Signed-off-by: Michael Lukashov <michael.lukashov@gmail.com>
---
 builtin-checkout.c |   18 ------------------
 merge-recursive.c  |    2 +-
 merge-recursive.h  |    3 +++
 3 files changed, 4 insertions(+), 19 deletions(-)

diff --git a/builtin-checkout.c b/builtin-checkout.c
index 5277817..e53e857 100644
--- a/builtin-checkout.c
+++ b/builtin-checkout.c
@@ -128,24 +128,6 @@ static int checkout_stage(int stage, struct cache_entry *ce, int pos,
 		     (stage == 2) ? "our" : "their");
 }
 
-/* NEEDSWORK: share with merge-recursive */
-static void fill_mm(const unsigned char *sha1, mmfile_t *mm)
-{
-	unsigned long size;
-	enum object_type type;
-
-	if (!hashcmp(sha1, null_sha1)) {
-		mm->ptr = xstrdup("");
-		mm->size = 0;
-		return;
-	}
-
-	mm->ptr = read_sha1_file(sha1, &type, &size);
-	if (!mm->ptr || type != OBJ_BLOB)
-		die("unable to read blob object %s", sha1_to_hex(sha1));
-	mm->size = size;
-}
-
 static int checkout_merged(int pos, struct checkout *state)
 {
 	struct cache_entry *ce = active_cache[pos];
diff --git a/merge-recursive.c b/merge-recursive.c
index cb53b01..5999ae2 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -599,7 +599,7 @@ struct merge_file_info
 		 merge:1;
 };
 
-static void fill_mm(const unsigned char *sha1, mmfile_t *mm)
+void fill_mm(const unsigned char *sha1, mmfile_t *mm)
 {
 	unsigned long size;
 	enum object_type type;
diff --git a/merge-recursive.h b/merge-recursive.h
index be8410a..ccc4002 100644
--- a/merge-recursive.h
+++ b/merge-recursive.h
@@ -2,6 +2,7 @@
 #define MERGE_RECURSIVE_H
 
 #include "string-list.h"
+#include "xdiff/xdiff.h"
 
 struct merge_options {
 	const char *branch1;
@@ -53,4 +54,6 @@ int merge_recursive_generic(struct merge_options *o,
 void init_merge_options(struct merge_options *o);
 struct tree *write_tree_from_memory(struct merge_options *o);
 
+void fill_mm(const unsigned char *sha1, mmfile_t *mm);
+
 #endif
-- 
1.7.0.1571.g856c2