Alex Bennee <kernel-hacker@xxxxxxxxxx> writes:
> +(defun vc-git-annotate-extract-revision-at-line ()
> + (save-excursion
> + (move-beginning-of-line 1)
> + (and (looking-at "[0-9a-f]+")
> + (buffer-substring (match-beginning 0) (match-end 0)))))
Does this grab the commit object name from the annotation
of a _full_ file? How is the annotation done? With "blame"
without frills?
It may be interesting to run:
git blame -w -n -f -C -- $path
which would give you the code movement (ignoring whitespace
changes) across files, so that you can view where the line
really originated from.
You can also throw in -L line range limiter like this:
git blame -L$lineno-10,+20 -w -n -f -C -- $path
which would limit the output to lines around the current line,
and that would be slightly less expensive than annotating the
whole file, if you do this on-demand.
E.g.
$ git blame -L48,+20 -w -n -f -C -- block/blk-exec.c
would give you something like:
165125e1 block/ll_rw_blk.c 2585 (Jens Axboe 2007-07-2...
f1970baf drivers/block/ll_rw_blk.c 2255 (James Bottomley 2005-06-2...
8ffdc655 block/ll_rw_blk.c 2320 (Tejun Heo 2006-01-0...
f1970baf drivers/block/ll_rw_blk.c 2257 (James Bottomley 2005-06-2...
f1970baf drivers/block/ll_rw_blk.c 2258 (James Bottomley 2005-06-2...
f1970baf drivers/block/ll_rw_blk.c 2259 (James Bottomley 2005-06-2...
f1970baf drivers/block/ll_rw_blk.c 2260 (James Bottomley 2005-06-2...
4aff5e23 block/ll_rw_blk.c 2530 (Jens Axboe 2006-08-1...
f1970baf drivers/block/ll_rw_blk.c 2262 (James Bottomley 2005-06-2...
4c5d0bbd block/ll_rw_blk.c 2480 (Andrew Morton 2006-03-2...
4c5d0bbd block/ll_rw_blk.c 2481 (Andrew Morton 2006-03-2...
4c5d0bbd block/ll_rw_blk.c 2482 (Andrew Morton 2006-03-2...
4c5d0bbd block/ll_rw_blk.c 2483 (Andrew Morton 2006-03-2...
4c5d0bbd block/ll_rw_blk.c 2484 (Andrew Morton 2006-03-2...
f1970baf drivers/block/ll_rw_blk.c 2265 (James Bottomley 2005-06-2...
6e39b69e block/ll_rw_blk.c 2309 (Mike Christie 2005-11-1...
6e39b69e block/ll_rw_blk.c 2310 (Mike Christie 2005-11-1...
637b48c8 drivers/block/ll_rw_blk.c 1872 (Jens Axboe 2004-03-1...
637b48c8 drivers/block/ll_rw_blk.c 1873 (Jens Axboe 2004-03-1...
637b48c8 drivers/block/ll_rw_blk.c 1874 (Jens Axboe 2004-03-1...
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