On Sat, Sep 12, 2009 at 10:28:43PM -0400, Theodore Tso wrote:
> > I don't see any solution that doesn't see me browsing diffs -- there's
> > no metric that will solve the problem -- but if your stats work could
> > help me get an output of the form 'here are all the diffs on file X by
> > contributor Y in order of size, largest first' then I think it would
> > help a LOT.
>
> This will display all of the diffs on file (pathname) XXX by contributor YYY:
>
> git log -p --author=YYY XXX
>
> You might also find the diffstats useful:
>
> git log --stat --author=YYY XXX
>
> Or if you want *only* the diffstats for the file in question, you might try:
>
> git log --stat --pretty=format: --author=YYY XXX | grep XXX
There is also the "--numstat" format which is a bit easier for parsing.
I think the "all diffs on file $X by contributor $Y, ordered by size"
would look like:
git log -z --pretty=tformat:%H --numstat --author=$Y $X |
perl -0ne '
my ($commit) = /^([0-9a-f]{40})$/m;
my ($lines_added) = /^(\d+)\s/m;
print "$lines_added $commit\n";
' |
sort -rn |
cut -d ' ' -f2 |
xargs -n 1 git show
-Peff
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