[PATCH] Clean up read-tree two-way tests.

diff --git a/commit.c b/commit.c
index 21ac2fe9d71832896c21cae6528a2355068e654a..9fa03ef03000979d4a798c8e22cd2074e7c9d48d 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -5,7 +5,7 @@
 
 const char *commit_type = "commit";
 
-static struct commit *check_commit(struct object *obj, unsigned char *sha1)
+static struct commit *check_commit(struct object *obj, const unsigned char *sha1)
 {
        if (obj->type != commit_type) {
                error("Object %s is a %s, not a commit", 
@@ -15,7 +15,7 @@ static struct commit *check_commit(struct object *obj, unsigned char *sha1)
        return (struct commit *) obj;
 }
 
-struct commit *lookup_commit_reference(unsigned char *sha1)
+struct commit *lookup_commit_reference(const unsigned char *sha1)
 {
        struct object *obj = parse_object(sha1);
 
@@ -26,7 +26,7 @@ struct commit *lookup_commit_reference(unsigned char *sha1)
        return check_commit(obj, sha1);
 }
 
-struct commit *lookup_commit(unsigned char *sha1)
+struct commit *lookup_commit(const unsigned char *sha1)
 {
        struct object *obj = lookup_object(sha1);
        if (!obj) {