Normalize line endings

.gitattributes

@@ -0,0 +1 @@
+* text=auto

.github/workflows/python-flake8.yml → .github/workflows/lint.yml

@@ -1,7 +1,4 @@
-# This workflow will install Python dependencies, lint with a single version of Python
-# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
-
-name: flake8
+name: lint
 
 on:
   push:
@@ -14,7 +11,7 @@ on:
     - stable
 
 jobs:
-  lint:
+  flake8:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
@@ -28,3 +25,14 @@ jobs:
         python -m pip install --upgrade pip
         pip install flake8
         flake8 --count --statistics mslib tests
+
+  no-crlf-in-git:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+    - uses: actions/checkout@v4
+    - name: Check for CRLF in the repository
+      run: |
+        files_with_crlf="$(git ls-files --eol | awk '$1 ~ "crlf"')"
+        echo "$files_with_crlf"
+        [ "$files_with_crlf" == "" ] || exit 1