builtin-mv: minimum fix to avoid losing files

diff --git a/builtin-blame.c b/builtin-blame.c
index 9b4c02e87f7ef4a20d269ab9315b6977cf7fb3fb..dea640d17bc0ecd4378e51bc92a32cb8c8803735 100644 (file)
--- a/builtin-blame.c
+++ b/builtin-blame.c
@@ -1894,9 +1894,7 @@ static unsigned parse_score(const char *arg)
 
 static const char *add_prefix(const char *prefix, const char *path)
 {
-       if (!prefix || !prefix[0])
-               return path;
-       return prefix_path(prefix, strlen(prefix), path);
+       return prefix_path(prefix, prefix ? strlen(prefix) : 0, path);
 }
 
 /*