PSR-4 to PSR-0 conversion GitHub workflow. Src-namespace-prefix replacement with virions support.

Makefile

SRC_NAMESPACE_PREFIX = keopiwauyu/ExamplePlugin

dev/src: src Makefile
	$(eval PARENT := dev/src/$(shell dirname $(SRC_NAMESPACE_PREFIX)))
	rm -rf "dev/src"
	mkdir -p $(PARENT)
	cp -r src $(PARENT)
	mv $(PARENT)/src dev/src/$(SRC_NAMESPACE_PREFIX)

poggit.yml

name: Poggit

on:
  workflow_dispatch:
  pull_request:
    types:
    - opened
    - closed
    branches:
    - poggit

jobs:
  label:
    name: Add poggit label
    runs-on: ubuntu-latest
    if: contains(github.event_name, 'pull_request') && github.event.pull_request.user.login != 'github-actions[bot]'
    steps:
    - uses: actions-ecosystem/action-add-labels@v1
      with:
        labels: poggit

  psr-420:
    name: Convert PSR-4 to PSR-0
    runs-on: ubuntu-latest
    if: "!contains(github.event_name, 'pull_request') || (github.event.pull_request.merged && github.event.pull_request.user.login != 'github-actions[bot]')"
    steps:
    - uses: actions/checkout@v3
      with:
        ref: ${{ github.head_ref || github.ref }}
    - run: make dev/src && rm -r src && mv dev/src src
    - name: Change PSR-4 to PSR-0 in composer.json
      uses: mingjun97/file-regex-replace@v1
      with:
        regex: '"autoload"([^\}]+)"psr-4"' # regexr.com/6prvb
        replacement: '"autoload"$1"psr-0"'
        # flags: "g"                  # Optional, defaults to "g"
        include: 'composer\.json'    # Optional, defaults to ".*"
        # exclude: '.^'               # Optional, defaults to '.^'
        # encoding: 'utf8'            # Optional, defaults to 'utf8'
        path: ./ # Optional, defaults to '.'
    - name: Comment out src-namespace-prefix in plugin.yml
      uses: mingjun97/file-regex-replace@v1
      with:
        regex: '^src-namespace-prefix: (.+)'
        replacement: '#src-namespace-prefix: $1 # PSR-4 to PSR-0 conversion workflow by Endermanbugzjfc (https://gist.github.com/Endermanbugzjfc/669e241050f5dd50dd8e6353db65545c)'
        flags: "gm"                  # Optional, defaults to "g"
        include: 'plugin\.yml'    # Optional, defaults to ".*"
        # exclude: '.^'               # Optional, defaults to '.^'
        # encoding: 'utf8'            # Optional, defaults to 'utf8'
        path: ./ # Optional, defaults to '.'
    - uses: peter-evans/create-pull-request@v4
      id: cpr
      with:
        base: poggit
        token: ${{ secrets.GITHUB_TOKEN }}
        commit-message: ${{ github.event.pull_request.body || 'PSR-4 to PSR-0 conversion workflow dispatch' }}
        title: PSR-4 to PSR-0 conversion for poggit after merging ${{ github.head_ref || github.ref }}
        branch: psr-420/${{ github.sha }}
        assignees: ${{ github.actor }}
        body: |
          Please apply these changes on the poggit branch for Poggit-CI to build the PHAR correctly.
    - name: Set next step parameters under no PR creation context
      id: param4comment
      if: "!steps.cpr.outputs.pull-request-number"
      run: |
        echo "cpr step outputs: ${{ steps.cpr.outputs.pull-request-number }}"
        echo "::set-output name=strikethrough::~~"
    - uses: thollander/actions-comment-pull-request@v1
      if: contains(github.event_name, 'pull_request')
      with:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        # ([] means conditional):
        #
        # - [~~]Merge #[?] into poggit.[~~]
        # - Ensure the version number in plugin.yml / virion.yml is bumped.
        # - Add repository to Poggit-CI.
        # - Create the release.
        message: |
          # Checklist
          Well done, @${{ github.event.pull_request.user.login || github.actor }}! Just few steps before everything is ready:
          - [ ] ${{ steps.param4comment.outputs.strikethrough || '' }}Merge #${{ steps.cpr.outputs.pull-request-number || '?' }} into poggit.${{ steps.param4comment.outputs.strikethrough || '' }}
          - [ ] Ensure the version number in [plugin.yml](
          ${{ github.server_url }}/${{ github.repository }}/blob/poggit/plugin.yml
          ) / [virion.yml](
          ${{ github.server_url }}/${{ github.repository }}/blob/poggit/virion.yml
          ) is bumped.
          - [ ] Add repository to [Poggit-CI](https://poggit.pmmp.io/ci).
          - [ ] [Create](
          ${{ github.server_url }}/${{ github.repository }}/releases/new
          ) the release.

Overview: https://github.com/keopiwauyu/ExamplePlugin/pull/1
Rick Roll: keopiwauyu/ExamplePlugin#2

Note

• A poggit tag will be created / used in your repository.
• The workflow only runs when the pull request's base (target) is poggit.
• psr-420 still runs under PSR-0 and could mess up your namespaces.