reflog-walk: expose read_complete_reflog

In a future commit, we'll use this function and the corresponding free
function to read the entire reflog.  Expose it in the header so we can
do so.

Include the appropriate header files so that our header is complete.

Signed-off-by: brian m. carlson <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: bk2204

reflog-walk.c

@@ -9,19 +9,6 @@
 #include "string-list.h"
 #include "reflog-walk.h"
 
-struct complete_reflogs {
-	char *ref;
-	char *short_ref;
-	struct reflog_info {
-		struct object_id ooid, noid;
-		char *email;
-		timestamp_t timestamp;
-		int tz;
-		char *message;
-	} *items;
-	int nr, alloc;
-};
-
 static int read_one_reflog(struct object_id *ooid, struct object_id *noid,
 		const char *email, timestamp_t timestamp, int tz,
 		const char *message, void *cb_data)
@@ -41,7 +28,7 @@ static int read_one_reflog(struct object_id *ooid, struct object_id *noid,
 	return 0;
 }
 
-static void free_complete_reflog(struct complete_reflogs *array)
+void free_complete_reflog(struct complete_reflogs *array)
 {
 	int i;
 
@@ -64,7 +51,7 @@ static void complete_reflogs_clear(void *util, const char *str UNUSED)
 	free_complete_reflog(array);
 }
 
-static struct complete_reflogs *read_complete_reflog(const char *ref)
+struct complete_reflogs *read_complete_reflog(const char *ref)
 {
 	struct complete_reflogs *reflogs =
 		xcalloc(1, sizeof(struct complete_reflogs));

reflog-walk.h

@@ -1,9 +1,24 @@
 #ifndef REFLOG_WALK_H
 #define REFLOG_WALK_H
 
+#include "git-compat-util.h"
+#include "hash.h"
+
 struct commit;
 struct reflog_walk_info;
 struct date_mode;
+struct complete_reflogs {
+	char *ref;
+	char *short_ref;
+	struct reflog_info {
+		struct object_id ooid, noid;
+		char *email;
+		timestamp_t timestamp;
+		int tz;
+		char *message;
+	} *items;
+	int nr, alloc;
+};
 
 void init_reflog_walk(struct reflog_walk_info **info);
 void reflog_walk_info_release(struct reflog_walk_info *info);
@@ -24,4 +39,7 @@ int reflog_walk_empty(struct reflog_walk_info *walk);
 
 struct commit *next_reflog_entry(struct reflog_walk_info *reflog_info);
 
+void free_complete_reflog(struct complete_reflogs *array);
+struct complete_reflogs *read_complete_reflog(const char *ref);
+
 #endif