unpack-trees: allow Porcelain to give different error messages

diff --git a/builtin-mv.c b/builtin-mv.c
index 68aa2a68bb8f4232732829ba7d9459bbef3c7ad5..94f6dd2aad2da512bab0be2e84859eced6553cc9 100644 (file)
--- a/builtin-mv.c
+++ b/builtin-mv.c
@@ -19,7 +19,6 @@ static const char **copy_pathspec(const char *prefix, const char **pathspec,
                                  int count, int base_name)
 {
        int i;
-       int len = prefix ? strlen(prefix) : 0;
        const char **result = xmalloc((count + 1) * sizeof(const char *));
        memcpy(result, pathspec, count * sizeof(const char *));
        result[count] = NULL;
@@ -33,11 +32,8 @@ static const char **copy_pathspec(const char *prefix, const char **pathspec,
                        if (last_slash)
                                result[i] = last_slash + 1;
                }
-               result[i] = prefix_path(prefix, len, result[i]);
-               if (!result[i])
-                       exit(1); /* error already given */
        }
-       return result;
+       return get_pathspec(prefix, result);
 }
 
 static void show_list(const char *label, struct path_list *list)