ci: lint for common file formatting issues

Extends the pre-commit configuration to lint for missing newlines at
EOF, trailing whitespace, merge conflict markers etc.

Author: languitar

.github/workflows/linting.yml

@@ -0,0 +1,12 @@
+name: Code linting
+
+on:
+  pull_request:
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+      - uses: pre-commit/[email protected]

.pre-commit-config.yaml

@@ -3,6 +3,19 @@ default_install_hook_types:
   - pre-commit
   - commit-msg
 repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.4.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-toml
+      - id: check-yaml
+      - id: check-added-large-files
+      - id: check-merge-conflict
+      - id: check-symlinks
+      - id: fix-byte-order-marker
+      - id: mixed-line-ending
+      - id: trailing-whitespace
   - repo: https://github.com/alessandrojcm/commitlint-pre-commit-hook
     rev: v9.4.0
     hooks:

model-server/build.gradle.kts

@@ -158,9 +158,10 @@ spotless {
                 """ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY""" + "\n" +
                 """ * KIND, either express or implied.  See the License for the""" + "\n" +
                 """ * specific language governing permissions and limitations""" + "\n" +
-                """ * under the License. """ + "\n" +
-                " */\n"+
-                "\n")
+                """ * under the License.""" + "\n" +
+                " */\n" +
+                "\n",
+        )
         /*licenseHeader '/*\n' +
                 ' * Licensed under the Apache License, Version 2.0 (the "License");\n' +
                 ' * you may not use this file except in compliance with the License.\n' +
@@ -173,9 +174,8 @@ spotless {
                 ' * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n' +
                 ' * KIND, either express or implied.  See the License for the\n' +
                 ' * specific language governing permissions and limitations\n' +
-                ' * under the License. \n' +
+                ' * under the License.\n' +
                 ' */\n' +
                 '\n'*/
     }
 }
-