diff.c: remove implicit dependency on the_index

diff --git a/read-cache.c b/read-cache.c
index 7b1354d7590a70ecbd6e508bdd95eafd4793efcc..6f772b2885c109e6f063acd5cfb038d826b00b0d 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -2122,7 +2122,7 @@ int unmerged_index(const struct index_state *istate)
        return 0;
 }
 
-int index_has_changes(const struct index_state *istate,
+int index_has_changes(struct index_state *istate,
                      struct tree *tree,
                      struct strbuf *sb)
 {
@@ -2137,7 +2137,7 @@ int index_has_changes(const struct index_state *istate,
        if (tree || !get_oid_tree("HEAD", &cmp)) {
                struct diff_options opt;
 
-               diff_setup(&opt);
+               repo_diff_setup(the_repository, &opt);
                opt.flags.exit_with_status = 1;
                if (!sb)
                        opt.flags.quick = 1;