phpstan · ondrejmirtes · Oct 26, 2025 · Oct 18, 2025 · Oct 18, 2025 · Oct 19, 2025
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -178,6 +178,17 @@ jobs:
       - name: "Install dependencies"
         run: "composer install --no-interaction --no-progress"
 
+      - name: "Checkout build-infection"
+        uses: actions/checkout@v5
+        with:
+          repository: "phpstan/build-infection"
+          path: "build-infection"
+          ref: "1.x"
+
+      - name: "Install build-infection dependencies"
+        working-directory: "build-infection"
+        run: "composer install --no-interaction --no-progress"
+
       - uses: "actions/download-artifact@v4"
         with:
           name: "result-cache-${{ matrix.php-version }}"

diff --git a/infection.json5 b/infection.json5
@@ -10,6 +10,7 @@
   "logs": {
     "text": "tmp/infection.log"
   },
+  "bootstrap": "build-infection/vendor/autoload.php",
   "mutators": {
     "@default": false,
     "PHPStan\\Infection\\TrinaryLogicMutator": true

diff --git a/phpstan.neon b/phpstan.neon
@@ -25,7 +25,6 @@ parameters:
 		- tests/*/data-attributes/*
 		- tests/*/data-php-*/*
 		- tests/Rules/Doctrine/ORM/entity-manager.php
-		- tests/Infection/
 
 	reportUnmatchedIgnoredErrors: false
 

diff --git a/tests/Infection/TrinaryLogicMutator.php b/tests/Infection/TrinaryLogicMutator.php