git-p4: Unset P4DIFF environment variable when using 'p4 -du diff'

diff --git a/builtin-commit.c b/builtin-commit.c
index f49c22e64255225e492614bb628c1d1776521424..660a3458f7f4ef24dfa4fd5bdf902174da1eefb4 100644 (file)
--- a/builtin-commit.c
+++ b/builtin-commit.c
@@ -198,6 +198,8 @@ static void create_base_index(void)
        opts.head_idx = 1;
        opts.index_only = 1;
        opts.merge = 1;
+       opts.src_index = &the_index;
+       opts.dst_index = &the_index;
 
        opts.fn = oneway_merge;
        tree = parse_tree_indirect(head_sha1);