fix creation of PHAR release using a flake

.gitattributes

@@ -5,7 +5,6 @@
 /.gitignore export-ignore
 /box.json.dist export-ignore
 /build-phar.sh export-ignore
-/composer.lock export-ignore
 /infection.json.dist
 /phpcs.xml.dist export-ignore
 /phpunit.xml.dist export-ignore

.github/workflows/release-phar.yml

@@ -26,10 +26,12 @@ jobs:
       - name: "Checkout"
         uses: "actions/checkout@v3"
 
-      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/nix-installer-action@v9
 
-      - name: "build-phar.sh"
-        run: "build-phar.sh"
+      - name: "Build PHAR"
+        run: |
+          "nix build .#phar"
+          "cp result/*.phar dist/*"
 
       - name: "Upload PHAR"
         uses: fnkr/[email protected]

box.json.dist

@@ -6,6 +6,5 @@
         "LICENSE",
         "vendor/composer/composer/LICENSE"
     ],
-    "chmod": "0755",
-    "git-version": "git-version"
+    "chmod": "0755"
 }