Add localregistry input option

[lukasgrunwald]

Implements and resolves #37 .
Option to add local registries to build process by specifying their url (https). Authentication to the repos via specified GitHub token (default: User Github Token)

Snippet example for using the new flags, that adds two private Registries CondMatRegistry.git and HolyLabRegistry.git

...
      - uses: lukasgrunwald/julia-buildpkg@localregistry
        with:
          localregistry: >- # Collect URL's into space seperated string
            https://github.com/lukasgrunwald/CondMatRegistry.git
            https://github.com/HolyLab/HolyLabRegistry.git
          token: ${{ secrets.GITHUB_TOKEN }} # Automatically generated token
...

[codecov]

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[SaschaMann]

Thanks!

Could you add the example to the README please?

I'm not sure about the input interface of >-. I've rarely seen that being used in workflows and I'm not sure most people are aware of its existance. If they copy and paste it, that's fine, but perhaps there's a more common way using |? That's how e.g. actions/cache handles similar list-like inputs.

[lukasgrunwald]

Hey @SaschaMann,
I added an example to the ReadMe and updated the interface to use "|". Additionally I dropped the token input option, since this is probably better set by the user in -actions/checkout@v4 anyway. Instead I added the git_cli input, which sets JULIA_PKG_USE_CLI_GIT = git_cli, giving the user the option to control the git setup used by Pkg.

[SaschaMann]

Thank you! Some minor notes but then it's ready to be merged :)

[SaschaMann]

Thank you!

[DilumAluthge]

@SaschaMann It looks like this will override a value of JULIA_PKG_USE_CLI_GIT set earlier in the workflow file by the user. Is this intentional?

IMO, if the user has already set the JULIA_PKG_USE_CLI_GIT environment variable, and they don't provide the git_cli input to this action, then we should respect the environment variable set by the user.

[DilumAluthge]

IMO, if the user has already set the JULIA_PKG_USE_CLI_GIT environment variable, and they don't provide the git_cli input to this action, then we should respect the environment variable set by the user.

#39