[llvm-dev] [cfe-dev] Proposal: Adding a toplevel .mailmap file

[Nico Weber via llvm-dev]

Yes, `git shortlog` and `git log` are local git concepts that don't know
about github.

On Tue, May 25, 2021 at 10:01 AM <paul.robinson at sony.com> wrote:

> Offhand this seems like a good idea to me—as another example, someone
> might change companies and therefore email addresses, but it would be good
> to have a way to identify all contributions from the same person.
>
>
>
> On the other hand… github IDs can have multiple addresses, is there a way
> to leverage that?  But maybe github IDs are a github thing rather than a
> git thing, which makes that difficult?
>
> --paulr
>
>
>
> *From:* cfe-dev <cfe-dev-bounces at lists.llvm.org> *On Behalf Of *Nico
> Weber via cfe-dev
> *Sent:* Tuesday, May 25, 2021 9:31 AM
> *To:* llvm-dev <llvm-dev at lists.llvm.org>; cfe-dev <cfe-dev at lists.llvm.org>
> *Subject:* [cfe-dev] Proposal: Adding a toplevel .mailmap file
>
>
>
> Hi,
>
>
>
> I commit LLVM patches using two different email addresses. This means my
> changes show up as two lines in `git shortlog -nes <path>`, and `git log
> --author=thakis` only finds some of my changes. I know several others also
> use commit using different email addresses.
>
>
>
> It's possible to add a file `.mailmap` to the root of the repo that tells
> git to merge different email addresses to the same person for display
> purposes (https://git-scm.com/docs/gitmailmap
> <https://urldefense.com/v3/__https:/git-scm.com/docs/gitmailmap__;!!JmoZiZGBv3RvKRSx!tP5GjShGmoDCp9BanQE-t9ziaOL_xFjKcougap5sqbszoaFmjb_DUgTf5fjSgf-Vgw$>).
> For example, if that file exists and contains
>
>
>
>     Nico Weber <thakis at chromium.org> <nicolasweber at gmx.de>
>
>
>
> then `git log --author=thakis` will show all my commits.
>
>
>
> I currently have that locally. Should we have this file checked in?
> Everybody who wanted could add their different aliases, and it gives people
> control over what they want to show as their primary email address. Linux
> for example has it checked in:
> https://github.com/torvalds/linux/blob/master/.mailmap
> <https://urldefense.com/v3/__https:/github.com/torvalds/linux/blob/master/.mailmap__;!!JmoZiZGBv3RvKRSx!tP5GjShGmoDCp9BanQE-t9ziaOL_xFjKcougap5sqbszoaFmjb_DUgTf5fipW-yJZw$>
>
>
>
> Nico
>
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