On Wed, May 22, 2013 at 6:42 PM, Junio C Hamano <gits...@pobox.com> wrote:
> Junio C Hamano <gits...@pobox.com> writes:
>>>> The person who moved the code will be on the list regardless,
>>> That is exactly the point I have been trying to raise. Does the
>>> person appear in the list when you run blame with -CCC? You ask for
>>> the body of the function, and the -C mode of blame sees through the
>>> block-of-line movement across file boundaries, and goes straight to
>>> the last commit that touched the body of the function in its original
>>> file, no?
> -- >8 --
> cd /var/tmp/
> git init blame
> cd blame
> cp /src/git/COPYING COPYING
> git add COPYING
> git commit -m initial
> sed -ne 120,140p COPYING >EXTRACTING
> git add EXTRACTING
> git commit -m second
> git blame -C -C -C EXTRACTING
> -- 8< --
I just realized that -CCC does not do the same thing as -C -C -C.
> then the commit that did add these lines to EXTRACTING touched
> COPYING, and the origin of these lines are traced to it (this is
> designed to be useful in a typical "refactor by moving code";
> "cut and paste without changing the original" people need heavier
> copy detection with more -C).
> IIRC, git-gui runs two blames, one without any -C and one with (I do
> not offhand recall how many -C it uses) to show both.
'git blame' is a very expensive operation, perhaps we should add
another option so users don't need to run two blames to find this.
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