check_filename(): refactor ":/" handling

diff --git a/setup.c b/setup.c
index 0309c278218f96cb6b11e6a9d60011efce54cf62..000ffa810e1d24f78989f3a720c32724122ffd47 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -134,19 +134,20 @@ int path_inside_repo(const char *prefix, const char *path)
 
 int check_filename(const char *prefix, const char *arg)
 {
-       const char *name;
        char *to_free = NULL;
        struct stat st;
 
        if (starts_with(arg, ":/")) {
                if (arg[2] == '\0') /* ":/" is root dir, always exists */
                        return 1;
-               name = arg + 2;
-       } else if (prefix)
-               name = to_free = prefix_filename(prefix, arg);
-       else
-               name = arg;
-       if (!lstat(name, &st)) {
+               arg += 2;
+               prefix = NULL;
+       }
+
+       if (prefix)
+               arg = to_free = prefix_filename(prefix, arg);
+
+       if (!lstat(arg, &st)) {
                free(to_free);
                return 1; /* file exists */
        }