feat: shepherd badges and psalm action

.github/workflows/psalm.yml

@@ -0,0 +1,26 @@
+name: Psalm
+
+on:
+  push:
+    branches: [ "master", "main" ]
+  pull_request:
+
+jobs:
+  psalm:
+    runs-on: ubuntu-latest
+    name: Psalm complete run
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 8.2
+          tools: composer:v2
+
+      - name: Install Dependencies
+        run: composer install --no-interaction --prefer-dist --optimize-autoloader
+
+      - name: Static analysis
+        run: ./vendor/bin/psalm --config='./psalm.xml' --shepherd --stats --output-format=github --php-version='8.2'

README.md

@@ -1,5 +1,8 @@
 [![Mutation testing badge](https://img.shields.io/endpoint?style=flat&url=https%3A%2F%2Fbadge-api.stryker-mutator.io%2Fgithub.com%2Fvfunin%2Fdev-ci-kit%2Fmaster)](https://dashboard.stryker-mutator.io/reports/github.com/vfunin/dev-ci-kit/master)
 [![codecov](https://codecov.io/gh/vfunin/dev-ci-kit/branch/master/graph/badge.svg?token=ER6NMU4XDO)](https://codecov.io/gh/vfunin/dev-ci-kit)
+[![psalm-level](https://shepherd.dev/github/vfunin/dev-ci-kit/level.svg)](https://shepherd.dev/github/vfunin/dev-ci-kit)
+[![type-coverage](https://shepherd.dev/github/vfunin/dev-ci-kit/coverage.svg)](https://shepherd.dev/github/vfunin/dev-ci-kit)
+
 
 # Dev CI Kit
 

src/Composer/DevCIKitPlugin.php

@@ -18,6 +18,9 @@
  */
 class DevCIKitPlugin implements PluginInterface, EventSubscriberInterface
 {
+    /**
+     * @psalm-suppress UnusedProperty
+     */
     public function activate(Composer $composer, IOInterface $io): void
     {
     }
@@ -38,6 +41,9 @@ public static function init(Event $event, ?Filesystem $filesystem = null): void
         (new self())->copyFiles($event, $filesystem);
     }
 
+    /**
+     * @psalm-suppress PossiblyUnusedParam
+     */
     public function copyFiles(Event $event, ?Filesystem $filesystem = null): void
     {
         $filesystem ??= new Filesystem();
@@ -79,10 +85,16 @@ public function copyFiles(Event $event, ?Filesystem $filesystem = null): void
         );
     }
 
+    /**
+     * @psalm-suppress UnusedProperty
+     */
     public function deactivate(Composer $composer, IOInterface $io)
     {
     }
 
+    /**
+     * @psalm-suppress UnusedProperty
+     */
     public function uninstall(Composer $composer, IOInterface $io)
     {
     }