die(_("unable to write index file"));
}
-/**
- * Returns 1 if the index differs from HEAD, 0 otherwise. When on an unborn
- * branch, returns 1 if there are entries in the index, 0 otherwise. If an
- * strbuf is provided, the space-separated list of files that differ will be
- * appended to it.
- */
-static int index_has_changes(struct strbuf *sb)
-{
- struct object_id head;
- int i;
-
- if (!get_oid_tree("HEAD", &head)) {
- struct diff_options opt;
-
- diff_setup(&opt);
- opt.flags.exit_with_status = 1;
- if (!sb)
- opt.flags.quick = 1;
- do_diff_cache(&head, &opt);
- diffcore_std(&opt);
- for (i = 0; sb && i < diff_queued_diff.nr; i++) {
- if (i)
- strbuf_addch(sb, ' ');
- strbuf_addstr(sb, diff_queued_diff.queue[i]->two->path);
- }
- diff_flush(&opt);
- return opt.flags.has_changes != 0;
- } else {
- for (i = 0; sb && i < active_nr; i++) {
- if (i)
- strbuf_addch(sb, ' ');
- strbuf_addstr(sb, active_cache[i]->name);
- }
- return !!active_nr;
- }
-}
-
/**
* Dies with a user-friendly message on how to proceed after resolving the
* problem. This message can be overridden with state->resolvemsg.