llvm dev - Dec 2020 - Creating my own “clang-format” style that can be used across multiple projects with the “BasedOnStyle” setting

Hi,

This is my first time reaching out to the llvm mailing list so I apologize
if this is not the correct place to ask a question like this. (If it isn't
please let me know where I should post this question.)

I have multiple projects that I want to share a similar clang-format style,
but I also want to be able to make minor tweaks between each project so
they can be slightly different from one another if needed. Currently each
project just has the same .clang-format file copied and pasted into its own
repository, but it feels wrong because all of the style options are just
duplicated from project to project and if I need to change one option I
need to go across all projects and manually change it in all of them.

I would like to create my own style that can be used with the
"BasedOnStyle" option. That way I can specify that I want all of these
projects to be based on the same custom style that would be kept in a
shared location, and then I could easily override any project specific
options on a per-project basis.

I looked through the documentation and as far as I can tell, there doesn't
appear to be any way to create your own style and save it so other projects
can be based on the same style. I feel like this is something a lot of
users would need (for example if a company wanted to define their own
master style that all projects should follow).

Is there any way to do this? And if not, how could I go about requesting
such a feature be added?

Thanks,

Tim
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+MyDeveloper Day <mydeveloperday at gmail.com>  who seems to be
contributing
to/reviewing clang-format patches these days

Sounds like a nice to have feature - you can file feature requests in the
LLVM bugzilla (bugs.llvm.org). (perhaps it's already possible, but I
don't
know enough about clang-format to say)

On Sun, Dec 20, 2020 at 4:29 PM Timothy Wrona via llvm-dev <
llvm-dev at lists.llvm.org> wrote:
> Hi,
>
> This is my first time reaching out to the llvm mailing list so I apologize
> if this is not the correct place to ask a question like this. (If it
isn't
> please let me know where I should post this question.)
>
> I have multiple projects that I want to share a similar clang-format
> style, but I also want to be able to make minor tweaks between each project
> so they can be slightly different from one another if needed. Currently
> each project just has the same .clang-format file copied and pasted into
> its own repository, but it feels wrong because all of the style options are
> just duplicated from project to project and if I need to change one option
> I need to go across all projects and manually change it in all of them.
>
> I would like to create my own style that can be used with the
> "BasedOnStyle" option. That way I can specify that I want all of
these
> projects to be based on the same custom style that would be kept in a
> shared location, and then I could easily override any project specific
> options on a per-project basis.
>
> I looked through the documentation and as far as I can tell, there
doesn't
> appear to be any way to create your own style and save it so other projects
> can be based on the same style. I feel like this is something a lot of
> users would need (for example if a company wanted to define their own
> master style that all projects should follow).
>
> Is there any way to do this? And if not, how could I go about requesting
> such a feature be added?
>
> Thanks,
>
> Tim
> _______________________________________________
> LLVM Developers mailing list
> llvm-dev at lists.llvm.org
> https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>
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