usage(builtin_diff_usage);
argv++; argc--;
}
- if (!cached)
- setup_work_tree();
/*
* Make sure there is one revision (i.e. pending object),
* and there is no revision filtering parameters.
revs->max_count != -1 || revs->min_age != -1 ||
revs->max_age != -1)
usage(builtin_diff_usage);
- if (read_cache_preload(revs->diffopt.pathspec.raw) < 0) {
- perror("read_cache_preload");
+ if (!cached) {
+ setup_work_tree();
+ if (read_cache_preload(revs->diffopt.pathspec.raw) < 0) {
+ perror("read_cache_preload");
+ return -1;
+ }
+ } else if (read_cache() < 0) {
+ perror("read_cache");
return -1;
}
return run_diff_index(revs, cached);
refresh_index_quietly();
return result;
}
-
-void setup_diff_pager(struct diff_options *opt)
-{
- /*
- * If the user asked for our exit code, then either they want --quiet
- * or --exit-code. We should definitely not bother with a pager in the
- * former case, as we will generate no output. Since we still properly
- * report our exit code even when a pager is run, we _could_ run a
- * pager with --exit-code. But since we have not done so historically,
- * and because it is easy to find people oneline advising "git diff
- * --exit-code" in hooks and other scripts, we do not do so.
- */
- if (!DIFF_OPT_TST(opt, EXIT_WITH_STATUS) &&
- check_pager_config("diff") != 0)
- setup_pager();
-}