git-commit-vandalism/t/t4013/diff.diff_--dirstat-by-file_initial_rearrange

$ git diff --dirstat-by-file initial rearrange
 100.0% dir/
$
--dirstat-by-file: Make it faster and more correct Currently, when using --dirstat-by-file, it first does the full --dirstat analysis (using diffcore_count_changes()), and then resets 'damage' to 1, if any damage was found by diffcore_count_changes(). But --dirstat-by-file is not interested in the file damage per se. It only cares if the file changed at all. In that sense it only cares if the blob object for a file has changed. We therefore only need to compare the object names of each file pair in the diff queue and we can skip the entire --dirstat analysis and simply set 'damage' to 1 for each entry where the object name has changed. This makes --dirstat-by-file faster, and also bypasses --dirstat's practice of ignoring rearranged lines within a file. The patch also contains an added testcase verifying that --dirstat-by-file now detects changes that only rearrange lines within a file. Signed-off-by: Johan Herland <johan@herland.net> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <gitster@pobox.com> 2011-04-11 00:48:51 +02:00			`$ git diff --dirstat-by-file initial rearrange`
			`100.0% dir/`
			`$`