Add diff-option --ext-diff

diff --git a/diff.c b/diff.c
index 93eca79c1762e697d57ccd8c49b2f7994f722c89..b6eb72be029c9cd2f2b33977f3a3f02099b68106 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -2241,6 +2241,10 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
                options->exit_with_status = 1;
        else if (!strcmp(arg, "--quiet"))
                options->quiet = 1;
+       else if (!strcmp(arg, "--ext-diff"))
+               options->allow_external = 1;
+       else if (!strcmp(arg, "--no-ext-diff"))
+               options->allow_external = 0;
        else
                return 0;
        return 1;