# Unused (assigned but not read) option in diff_no_index

1 messages from 2011-10-28 to 2011-10-28. Participants: Piotr Krukowiecki.
Thread: https://gitlist.dev/t/28787

## Piotr Krukowiecki, 2011-10-28 15:08

Subject: Unused (assigned but not read) option in diff_no_index
Message-ID: <CAA01Csruo+PPbgWMjTdkOeCEVx_Hgr=_tN-pTOiWxRfCd3nbyQ@mail.gmail.com>
URL: https://gitlist.dev/e/CAA01Csruo%2BPPbgWMjTdkOeCEVx_Hgr%3D_tN-pTOiWxRfCd3nbyQ%40mail.gmail.com

```
Hi,

I noticed that "options" variable in diff-no-index.c:diff_no_index()
is modified when "-q" is passed but not used (not read) at all. So
either it can be removed or it should be used. "-q" is not described
in git-diff man page.

This code was introduced in 0569e9b8 "git diff": do not ignore index
without --no-index" - it was moved from builtin-diff.c (where it was
used) but the code was refactored so I can't say if it should still
be.

$ grep -E -2 '\boptions\b' diff-no-index.c
	int i;
	int no_index = 0;
	unsigned options = 0;

	/* Were we asked to do --no-index explicitly? */
--
			i++;
		else if (!strcmp(argv[i], "-q")) {
			options |= DIFF_SILENT_ON_REMOVED;
			i++;
		}

-- 
Piotr Krukowiecki

```