feat(coding-standard)!: remove pr-diff feature and built-in php setup (#224)

BREAKING CHANGE: Much of the "setup" that's built-into the command is removed in favor of a leaner action. This also includes the "on PR, only diff PR contents" behavior. This can be restored, but it shouldn't be the default and should be done as an input.

Fix SEVERITY_FLAGS construction which exited 1 under bash -e when
severity inputs were empty, causing CI failures.

coding-standard/README.md

@@ -11,6 +11,8 @@ See the [action.yml](./action.yml)
 
 ## Usage
 
+The caller is responsible for checking out the repository and setting up PHP before calling this action.
+
 ```yml
 name: Coding Standard
 
@@ -26,11 +28,19 @@ jobs:
   coding-standard:
     runs-on: ubuntu-latest
     steps:
+    - uses: actions/checkout@v6
+
+    - uses: shivammathur/setup-php@v2
+      with:
+        php-version: '8.3'
+        tools: composer:v2
+        coverage: none
+
     - uses: graycoreio/github-actions-magento2/coding-standard@main
       with:
+        path: app/code # Optional, defaults to .
         version: 25 # Optional, will use the latest if omitted.
-        path: app/code # Optional, will be used when event is not a pull request.
         severity: 8 # Optional, will use phpcs default of 5 if not specified.
         warning_severity: 4 # Optional, will use severity value if not specified.
         error_severity: 7 # Optional, will use severity value if not specified.
-```
+```

coding-standard/action.yml

@@ -3,35 +3,25 @@ author: "Graycore"
 description: "A Github Action that runs the Magento Coding Standard."
 
 inputs:
-  php_version:
-    required: true
-    default: "8.1"
-    description: "PHP version used to do the coding standard check."
-
-  composer_version:
-    required: true
-    default: "2"
-    description: "The version of composer to use."
-
   path:
     required: true
-    default: 'app/code'
-    description: "The directory (relative to the project root) in which the coding standard will be checked. Used when the event is not a pull request."
+    default: '.'
+    description: "The directory containing the code to check."
 
   version:
     required: false
     description: "The version of the coding standard to use. If not provided, will use the latest version."
-    
+
   severity:
     required: false
     default: ""
     description: "The minimum severity required to display an error or warning (default: 5)"
-  
+
   warning_severity:
     required: false
     default: ""
     description: "The minimum severity required to display a warning"
-  
+
   error_severity:
     required: false
     default: ""
@@ -45,69 +35,65 @@ inputs:
 runs:
   using: composite
   steps:
-    - name: Checkout Project
-      uses: actions/checkout@v6
-      with:
-        fetch-depth: 0
-        path: project
-
-    - name: Create Standard Directory
-      shell: bash
-      run: mkdir standard
-
-    - name: Set PHP Version
-      uses: shivammathur/setup-php@v2
-      with:
-        php-version: ${{ inputs.php_version }}
-        tools: composer:v${{ inputs.composer_version }}
-        coverage: none
-
     - name: Get Composer Version
       uses: graycoreio/github-actions-magento2/get-composer-version@main
       id: get-composer-version
 
     - name: Check if allow-plugins option is available for this version of composer
       uses: graycoreio/github-actions-magento2/semver-compare@main
+      id: is-allow-plugins-available
       with:
         version: 2.2
         compare_against: ${{ steps.get-composer-version.outputs.version }}
-      id: is-allow-plugins-available
 
     - name: Enable dealerdirect/phpcodesniffer-composer-installer plugin
       shell: bash
-      working-directory: standard
-      run: composer config allow-plugins.dealerdirect/phpcodesniffer-composer-installer  true --global
+      working-directory: ${{ inputs.path }}
+      run: composer config allow-plugins.dealerdirect/phpcodesniffer-composer-installer true --global
       if: steps.is-allow-plugins-available.outputs.result < 1
 
     - name: Install Coding Standard
       shell: bash
-      working-directory: standard
-      run: composer require "magento/magento-coding-standard:${{ inputs.version || '*' }}"
+      working-directory: ${{ inputs.path }}
+      run: composer require "magento/magento-coding-standard:${{ inputs.version || '*' }}" "magento/php-compatibility-fork"
 
     - name: Register Coding Standard
       shell: bash
-      working-directory: standard
-      run: vendor/bin/phpcs --config-set installed_paths ${{ github.workspace }}/standard/vendor/magento/magento-coding-standard,${{ github.workspace }}/standard/vendor/magento/php-compatibility-fork
+      working-directory: ${{ inputs.path }}
+      run: |
+        if [ -d vendor/magento/magento-coding-standard ]; then
+          CODING_STANDARD_VENDOR=magento
+        elif [ -d vendor/mage-os/magento-coding-standard ]; then
+          CODING_STANDARD_VENDOR=mage-os
+        else
+          echo "No magento-coding-standard directory found under vendor/magento or vendor/mage-os."
+          echo "Trusting dealerdirect/phpcodesniffer-composer-installer to have registered installed_paths."
+          exit 0
+        fi
+        vendor/bin/phpcs --config-set installed_paths \
+          "vendor/${CODING_STANDARD_VENDOR}/magento-coding-standard,vendor/${CODING_STANDARD_VENDOR}/php-compatibility-fork"
 
     - name: Set ignore warnings flag
       shell: bash
-      working-directory: standard
+      working-directory: ${{ inputs.path }}
       run: vendor/bin/phpcs --config-set ignore_warnings_on_exit 1
       if: inputs.ignore_warnings == 'true'
 
-    - name: Get Changed Files
-      shell: bash
-      working-directory: project
-      id: changed-files
-      run: echo "files=$(git diff --name-only --diff-filter=ACMRT ${{ github.event.pull_request.base.sha }} ${{ github.sha }} | xargs)" >> $GITHUB_OUTPUT
-      if: github.event_name == 'pull_request'
-
     - name: Coding Standard Check
       shell: bash
+      working-directory: ${{ inputs.path }}
       run: |
-        ../standard/vendor/bin/phpcs --standard=Magento2 \
-        $([ -n "${{ inputs.severity }}" ] && echo "--severity=${{ inputs.severity }}") \
-        $([ -n "${{ inputs.warning_severity }}" ] && echo "--warning-severity=${{ inputs.warning_severity }}") \
-        $([ -n "${{ inputs.error_severity }}" ] && echo "--error-severity=${{ inputs.error_severity }}") \
-        ${{ github.event_name == 'pull_request' && steps.changed-files.outputs.files || inputs.path }}
-      working-directory: project
+        FLAGS=()
+        [ -n "${{ inputs.severity }}" ] && FLAGS+=(--severity=${{ inputs.severity }}) || true
+        [ -n "${{ inputs.warning_severity }}" ] && FLAGS+=(--warning-severity=${{ inputs.warning_severity }}) || true
+        [ -n "${{ inputs.error_severity }}" ] && FLAGS+=(--error-severity=${{ inputs.error_severity }}) || true
+
+        if [ -f .phpcs.xml ] || [ -f phpcs.xml ] || [ -f .phpcs.xml.dist ] || [ -f phpcs.xml.dist ]; then
+          vendor/bin/phpcs "${FLAGS[@]}" .
+        else
+          vendor/bin/phpcs --standard=Magento2 --ignore=*vendor/* "${FLAGS[@]}" .
+        fi
+
+branding:
+  icon: "code"
+  color: "green"