merge-recursive: don't segfault while handling rename clashes

diff --git a/builtin-fast-export.c b/builtin-fast-export.c
index e9ee2c79ac0395fde30de329d181733d7be88d40..fdf4ae9ebdba7832a0ac736d56a7b564bba41baa 100644 (file)
--- a/builtin-fast-export.c
+++ b/builtin-fast-export.c
@@ -514,6 +514,7 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
 
        get_tags_and_duplicates(&revs.pending, &extra_refs);
 
+       revs.topo_order = 1;
        if (prepare_revision_walk(&revs))
                die("revision walk setup failed");
        revs.diffopt.format_callback = show_filemodify;