parse_object: try internal cache before reading object db

diff --git a/builtin/branch.c b/builtin/branch.c
index 465ff6a513f3e314d4a526b6f8ee9f7a7c7b43f4..7095718c13b5c4f39186548f5ed12198a3b9e609 100644 (file)
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -104,6 +104,7 @@ static int branch_merged(int kind, const char *name,
         */
        struct commit *reference_rev = NULL;
        const char *reference_name = NULL;
+       void *reference_name_to_free = NULL;
        int merged;
 
        if (kind == REF_LOCAL_BRANCH) {
@@ -114,11 +115,9 @@ static int branch_merged(int kind, const char *name,
                    branch->merge &&
                    branch->merge[0] &&
                    branch->merge[0]->dst &&
-                   (reference_name =
-                    resolve_ref(branch->merge[0]->dst, sha1, 1, NULL)) != NULL) {
-                       reference_name = xstrdup(reference_name);
+                   (reference_name = reference_name_to_free =
+                    resolve_refdup(branch->merge[0]->dst, sha1, 1, NULL)) != NULL)
                        reference_rev = lookup_commit_reference(sha1);
-               }
        }
        if (!reference_rev)
                reference_rev = head_rev;
@@ -143,7 +142,7 @@ static int branch_merged(int kind, const char *name,
                                "         '%s', even though it is merged to HEAD."),
                                name, reference_name);
        }
-       free((char *)reference_name);
+       free(reference_name_to_free);
        return merged;
 }
 
@@ -253,7 +252,7 @@ static char *resolve_symref(const char *src, const char *prefix)
        int flag;
        const char *dst, *cp;
 
-       dst = resolve_ref(src, sha1, 0, &flag);
+       dst = resolve_ref_unsafe(src, sha1, 0, &flag);
        if (!(dst && (flag & REF_ISSYMREF)))
                return NULL;
        if (prefix && (cp = skip_prefix(dst, prefix)))
@@ -738,10 +737,9 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
 
        track = git_branch_track;
 
-       head = resolve_ref("HEAD", head_sha1, 0, NULL);
+       head = resolve_refdup("HEAD", head_sha1, 0, NULL);
        if (!head)
                die(_("Failed to resolve HEAD as a valid ref."));
-       head = xstrdup(head);
        if (!strcmp(head, "HEAD")) {
                detached = 1;
        } else {