commit: add short-circuit to paint_down_to_common()

diff --git a/builtin/replace.c b/builtin/replace.c
index 42cf4f62a43f21f0ffafb5460a71fa2c661f988d..9f01f3fc7f86ef6e13933524441f330d3dae1573 100644 (file)
--- a/builtin/replace.c
+++ b/builtin/replace.c
@@ -284,30 +284,30 @@ static int edit_and_replace(const char *object_ref, int force, int raw)
 {
        char *tmpfile = git_pathdup("REPLACE_EDITOBJ");
        enum object_type type;
-       struct object_id old, new, prev;
+       struct object_id old_oid, new_oid, prev;
        struct strbuf ref = STRBUF_INIT;
 
-       if (get_oid(object_ref, &old) < 0)
+       if (get_oid(object_ref, &old_oid) < 0)
                die("Not a valid object name: '%s'", object_ref);
 
-       type = sha1_object_info(old.hash, NULL);
+       type = sha1_object_info(old_oid.hash, NULL);
        if (type < 0)
-               die("unable to get object type for %s", oid_to_hex(&old));
+               die("unable to get object type for %s", oid_to_hex(&old_oid));
 
-       check_ref_valid(&old, &prev, &ref, force);
+       check_ref_valid(&old_oid, &prev, &ref, force);
        strbuf_release(&ref);
 
-       export_object(&old, type, raw, tmpfile);
+       export_object(&old_oid, type, raw, tmpfile);
        if (launch_editor(tmpfile, NULL, NULL) < 0)
                die("editing object file failed");
-       import_object(&new, type, raw, tmpfile);
+       import_object(&new_oid, type, raw, tmpfile);
 
        free(tmpfile);
 
-       if (!oidcmp(&old, &new))
-               return error("new object is the same as the old one: '%s'", oid_to_hex(&old));
+       if (!oidcmp(&old_oid, &new_oid))
+               return error("new object is the same as the old one: '%s'", oid_to_hex(&old_oid));
 
-       return replace_object_oid(object_ref, &old, "replacement", &new, force);
+       return replace_object_oid(object_ref, &old_oid, "replacement", &new_oid, force);
 }
 
 static void replace_parents(struct strbuf *buf, int argc, const char **argv)
@@ -355,7 +355,7 @@ static void check_one_mergetag(struct commit *commit,
        struct tag *tag;
        int i;
 
-       hash_sha1_file(extra->value, extra->len, type_name(OBJ_TAG), tag_oid.hash);
+       hash_object_file(extra->value, extra->len, type_name(OBJ_TAG), &tag_oid);
        tag = lookup_tag(&tag_oid);
        if (!tag)
                die(_("bad mergetag in commit '%s'"), ref);
@@ -386,16 +386,16 @@ static void check_mergetags(struct commit *commit, int argc, const char **argv)
 
 static int create_graft(int argc, const char **argv, int force)
 {
-       struct object_id old, new;
+       struct object_id old_oid, new_oid;
        const char *old_ref = argv[0];
        struct commit *commit;
        struct strbuf buf = STRBUF_INIT;
        const char *buffer;
        unsigned long size;
 
-       if (get_oid(old_ref, &old) < 0)
+       if (get_oid(old_ref, &old_oid) < 0)
                die(_("Not a valid object name: '%s'"), old_ref);
-       commit = lookup_commit_or_die(&old, old_ref);
+       commit = lookup_commit_or_die(&old_oid, old_ref);
 
        buffer = get_commit_buffer(commit, &size);
        strbuf_add(&buf, buffer, size);
@@ -410,15 +410,15 @@ static int create_graft(int argc, const char **argv, int force)
 
        check_mergetags(commit, argc, argv);
 
-       if (write_sha1_file(buf.buf, buf.len, commit_type, new.hash))
+       if (write_object_file(buf.buf, buf.len, commit_type, &new_oid))
                die(_("could not write replacement commit for: '%s'"), old_ref);
 
        strbuf_release(&buf);
 
-       if (!oidcmp(&old, &new))
-               return error("new commit is the same as the old one: '%s'", oid_to_hex(&old));
+       if (!oidcmp(&old_oid, &new_oid))
+               return error("new commit is the same as the old one: '%s'", oid_to_hex(&old_oid));
 
-       return replace_object_oid(old_ref, &old, "replacement", &new, force);
+       return replace_object_oid(old_ref, &old_oid, "replacement", &new_oid, force);
 }
 
 int cmd_replace(int argc, const char **argv, const char *prefix)