1 files changed, 29 insertions, 15 deletions

diff --git a/reflog-walk.c b/reflog-walk.c
index a246af2767..c63eb1a3fd 100644
--- a/reflog-walk.c
+++ b/reflog-walk.c
@@ -10,7 +10,7 @@ struct complete_reflogs {
 	char *ref;
 	const char *short_ref;
 	struct reflog_info {
-		unsigned char osha1[20], nsha1[20];
+		struct object_id ooid, noid;
 		char *email;
 		unsigned long timestamp;
 		int tz;
@@ -19,7 +19,7 @@ struct complete_reflogs {
 	int nr, alloc;
 };
 
-static int read_one_reflog(unsigned char *osha1, unsigned char *nsha1,
+static int read_one_reflog(struct object_id *ooid, struct object_id *noid,
 		const char *email, unsigned long timestamp, int tz,
 		const char *message, void *cb_data)
 {
@@ -28,8 +28,8 @@ static int read_one_reflog(unsigned char *osha1, unsigned char *nsha1,
 
 	ALLOC_GROW(array->items, array->nr + 1, array->alloc);
 	item = array->items + array->nr;
-	hashcpy(item->osha1, osha1);
-	hashcpy(item->nsha1, nsha1);
+	oidcpy(&item->ooid, ooid);
+	oidcpy(&item->noid, noid);
 	item->email = xstrdup(email);
 	item->timestamp = timestamp;
 	item->tz = tz;
@@ -45,11 +45,11 @@ static struct complete_reflogs *read_complete_reflog(const char *ref)
 	reflogs->ref = xstrdup(ref);
 	for_each_reflog_ent(ref, read_one_reflog, reflogs);
 	if (reflogs->nr == 0) {
-		unsigned char sha1[20];
+		struct object_id oid;
 		const char *name;
 		void *name_to_free;
 		name = name_to_free = resolve_refdup(ref, RESOLVE_REF_READING,
-						     sha1, NULL);
+						     oid.hash, NULL);
 		if (name) {
 			for_each_reflog_ent(name, read_one_reflog, reflogs);
 			free(name_to_free);
@@ -172,18 +172,22 @@ int add_reflog_for_walk(struct reflog_walk_info *info,
 		reflogs = item->util;
 	else {
 		if (*branch == '\0') {
-			unsigned char sha1[20];
+			struct object_id oid;
 			free(branch);
-			branch = resolve_refdup("HEAD", 0, sha1, NULL);
+			branch = resolve_refdup("HEAD", 0, oid.hash, NULL);
 			if (!branch)
 				die ("No current branch");
 
 		}
 		reflogs = read_complete_reflog(branch);
 		if (!reflogs || reflogs->nr == 0) {
-			unsigned char sha1[20];
+			struct object_id oid;
 			char *b;
-			if (dwim_log(branch, strlen(branch), sha1, &b) == 1) {
+			int ret = dwim_log(branch, strlen(branch),
+					   oid.hash, &b);
+			if (ret > 1)
+				free(b);
+			else if (ret == 1) {
 				if (reflogs) {
 					free(reflogs->ref);
 					free(reflogs);
@@ -193,17 +197,27 @@ int add_reflog_for_walk(struct reflog_walk_info *info,
 				reflogs = read_complete_reflog(branch);
 			}
 		}
-		if (!reflogs || reflogs->nr == 0)
+		if (!reflogs || reflogs->nr == 0) {
+			if (reflogs) {
+				free(reflogs->ref);
+				free(reflogs);
+			}
+			free(branch);
 			return -1;
+		}
 		string_list_insert(&info->complete_reflogs, branch)->util
 			= reflogs;
 	}
+	free(branch);
 
 	commit_reflog = xcalloc(1, sizeof(struct commit_reflog));
 	if (recno < 0) {
 		commit_reflog->recno = get_reflog_recno_by_time(reflogs, timestamp);
 		if (commit_reflog->recno < 0) {
-			free(branch);
+			if (reflogs) {
+				free(reflogs->ref);
+				free(reflogs);
+			}
 			free(commit_reflog);
 			return -1;
 		}
@@ -238,13 +252,13 @@ void fake_reflog_parent(struct reflog_walk_info *info, struct commit *commit)
 	do {
 		reflog = &commit_reflog->reflogs->items[commit_reflog->recno];
 		commit_reflog->recno--;
-		logobj = parse_object(reflog->osha1);
+		logobj = parse_object(reflog->ooid.hash);
 	} while (commit_reflog->recno && (logobj && logobj->type != OBJ_COMMIT));
 
-	if (!logobj && commit_reflog->recno >= 0 && is_null_sha1(reflog->osha1)) {
+	if (!logobj && commit_reflog->recno >= 0 && is_null_sha1(reflog->ooid.hash)) {
 		/* a root commit, but there are still more entries to show */
 		reflog = &commit_reflog->reflogs->items[commit_reflog->recno];
-		logobj = parse_object(reflog->nsha1);
+		logobj = parse_object(reflog->noid.hash);
 	}
 
 	if (!logobj || logobj->type != OBJ_COMMIT) {