feat: add monorepo split workflow to sync packages to sub-repositories

[deluxetom]

Summary

• Add new GitHub Actions workflow that splits monorepo packages to their respective read-only sub-repositories
• Triggers automatically when semantic-release creates a new tag
• Splits all 9 packages in parallel using matrix strategy, pushing code and tags to each sub-repo

Package Mapping

Source Path	Target Repository
src/Core/	secretary/php-core
src/Adapter/AWS/SecretsManager/	secretary/php-aws-secrets-manager-adapter
src/Adapter/GCP/SecretsManager/	secretary/php-gcp-secrets-manager-adapter
src/Adapter/Hashicorp/Vault/	secretary/php-hashicorp-vault-adapter
src/Adapter/Local/JSONFile/	secretary/php-json-file-adapter
src/Adapter/Cache/PSR6Cache/	secretary/php-psr6-cache-adapter
src/Adapter/Cache/PSR16Cache/	secretary/php-psr16-cache-adapter
src/Adapter/Chain/	secretary/php-chain-adapter
src/Bundle/SecretaryBundle/	secretary/php-secretary-bundle

Required Setup

Important

A repository secret SPLIT_TOKEN must be configured before this workflow will function.

1. Create a Personal Access Token (classic) with repo scope
2. Ensure the token has write access to all secretary/* sub-repositories
3. Add it as a repository secret named SPLIT_TOKEN

The default GITHUB_TOKEN cannot push to other repositories, hence the need for a PAT.

Test plan

• Merge PR and create SPLIT_TOKEN secret
• Trigger a new release (or manually push a test tag)
• Verify workflow runs successfully in Actions tab
• Confirm sub-repositories receive the new code and tag
• Verify packages install correctly from Packagist

[cryptiklemur]

Hey! Thanks for throwing this up. Right now this repo uses https://www.subtreesplit.com. Little tool created by Tobias Nyholm from the symfony team (and co-creator of php-cache with me), and Fabien.

Its SUPPOSED to sync the tags when they are pushed, but right now its saying they are all up to date.

I did reach out to Tobias to try to debug this issue and get it fixed, but i havent heard back yet.

[deluxetom]

yea I figured we could automate it with a workflow, I had a good chat with Tobias at SymfonyCon, super cool guy but I also pinged him for an update on async-aws and no reply yet :)

[deluxetom]

@cryptiklemur let me know if there's anything I can help with, to fix the tags. I would need the Symfony 8 support for all of them :)

[cryptiklemur]

yeah, unfortunately no response from @Nyholm

[Nyholm]

Hello.
Sorry for missing pings. Where are you all trying to reach me?

:/

[cryptiklemur]

No worries! I was trying to ping you on X, but the issue is just this: #18 (comment)

[Nyholm]

Oh, Yeah. I basically stopped being there since Elon took over.

Should I still take a look and see what's up?

[deluxetom]

@cryptiklemur make sure to create a PAT and set the action secret SPLIT_TOKEN, then you should be able to run it by hand

[cryptiklemur]

Oh, Yeah. I basically stopped being there since Elon took over.

Should I still take a look and see what's up?

heh, totally valid. I did the same thing. If you find some spare time, sure, not a big deal though.

[cryptiklemur]

@cryptiklemur make sure to create a PAT and set the action secret SPLIT_TOKEN, then you should be able to run it by hand

It needs a workflow_dispatch event trigger to run by hand

[deluxetom]

@cryptiklemur you're right, there you go: #19

[github-actions]

🎉 This PR is included in version 4.2.0 🎉

The release is available on GitHub release

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