Re: [gentoo-dev] Reviewing ebuilds with git

[Eli Schwartz <eschwartz93@gmail.com>]

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On 6/30/24 1:38 PM, Sam James wrote:
> Hi,
> 
> I've mentioned this on IRC a bunch of times to people but I figure I'll
> mention it here in case anyone finds it useful.
> 
> Our use of git doesn't lend itself well to the default mode `git diff`
> and friends operate in, as we create many new files rather than solely
> changing existing ones.
> 
> git can be coerced into checking for copies (and doing so "harder" too)
> but there's no configuration option for this, and it's a pain to
> remember.
> 
> You can use the attached patch for dev-vcs/git and then set:
> $ git config diff.renames copies-harder
> in gentoo.git to make `git log -p`, `git diff`, etc default to this
> mode.
> 
> IME, it makes reviewing much easier. Be warned that it does make git log
> a bit slower though if the config option is enabled for a repo -- but
> maybe only noticeably if your repo is grafted with the pre-2015 CVS history.


Just to add: I think it helped a lot to make log -pC work faster, once I
set up `git commit-graph --changed-paths`.

-- 
Eli Schwartz

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