Test PR: phpcs-changed and woocommerce linting rules test.

.github/workflows/php-cs-on-changes.yml

@@ -0,0 +1,48 @@
+name: PHP Coding Standards - PR Changed Files
+
+on:
+  pull_request:
+    paths:
+      - "**.php"
+      - .github/workflows/php-cs-on-changes.yml
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    strategy:
+      matrix:
+        php: [7.4, 8.2]
+      fail-fast: false
+    name: Code sniff (PHP ${{ matrix.php }}, WP Latest)
+    permissions:
+      contents: read
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Prepare PHP ${{ matrix.php }}
+        uses: woocommerce/grow/prepare-php@actions-v1
+        with:
+          php-version: ${{ matrix.php }}
+
+      - name: Get Changed Files
+        id: changed-files
+        uses: tj-actions/changed-files@v39
+        with:
+          files: "**/*.php"
+
+      - name: Tool versions
+        run: |
+          php --version
+          composer --version
+          vendor/bin/phpcs-changed --version
+
+      - name: Run PHPCS
+        if: steps.changed-files.outputs.any_changed == 'true'
+        run: vendor/bin/phpcs-changed --warning-severity=0 -s --git --git-base ${{ github.event.pull_request.base.sha }} ${{ steps.changed-files.outputs.all_changed_files }}

bin/lint-branch.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# Lint branch
+#
+# Runs phpcs-changed, comparing the current branch to its "base" or "parent" branch.
+# The base branch defaults to trunk, but another branch name can be specified as an
+# optional positional argument.
+#
+# Example:
+# ./lint-branch.sh base-branch
+
+baseBranch=${1:-"develop"}
+
+changedFiles=$(git diff $(git merge-base HEAD $baseBranch) --relative --name-only -- '*.php')
+
+# Only complete this if changed files are detected.
+[[ -z $changedFiles ]] || composer exec phpcs-changed -- -s --git --git-base $baseBranch $changedFiles

composer.json

@@ -19,14 +19,16 @@
         }
     },
     "require-dev": {
-        "dealerdirect/phpcodesniffer-composer-installer": "^v0.7",
-        "wp-coding-standards/wpcs": "^2.3",
-        "woocommerce/woocommerce-sniffs": "^0.1.3",
-        "exussum12/coverage-checker": "^1.0",
+        "woocommerce/woocommerce-sniffs": "1.0.0",
+        "sirbrillig/phpcs-changed": "^2.11.1",
         "phpunit/phpunit": "^9.5",
-        "yoast/phpunit-polyfills": "^1.0"
+        "yoast/phpunit-polyfills": "^1.0",
+        "exussum12/coverage-checker": "^1.0"
     },
     "scripts": {
+      "lint": "chg=$(git diff --relative --name-only -- '*.php'); [[ -z $chg ]] || phpcs-changed -s --git --git-unstaged $chg",
+      "lint-staged": "chg=$(git diff HEAD --relative --name-only -- '*.php'); [[ -z $chg ]] || phpcs-changed -s --git $chg",
+      "lint-branch": "sh ./bin/lint-branch.sh",
       "test-unit": "./vendor/bin/phpunit"
     }
 }