graph: add support for --line-prefix on all graph-aware output

diff --git a/diff.h b/diff.h
index 49e4aaafb2daf32b72103a20a4e6b43cc701a051..219a28aa0f9c848a22060da1b127afd1532987db 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -115,6 +115,8 @@ struct diff_options {
        const char *pickaxe;
        const char *single_follow;
        const char *a_prefix, *b_prefix;
+       const char *line_prefix;
+       size_t line_prefix_length;
        unsigned flags;
        unsigned touched_flags;