diff --git a/.gitattributes b/.gitattributes
index f93e0b6a..1710b5e8 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -5,3 +5,4 @@
 .gitattributes  export-ignore
 .gitignore      export-ignore
 INSTALL_WIN.txt eol=crlf
+*.in            eol=lf
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 11c781e9..512f4ed9 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -1,5 +1,8 @@
 name: linux
-on: [push, pull_request]
+on:
+  push:
+  pull_request:
+    branches: [ master ]
 
 jobs:
   build:
@@ -13,5 +16,7 @@ jobs:
       - uses: goto-bus-stop/setup-zig@v2
         with:
           version: master
+      - name: install libudev
+        run: sudo apt install -y libudev-dev
       - name: build
         run: zig build
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 06a5d6ee..f8d293b5 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -1,5 +1,8 @@
 name: macos
-on: [push, pull_request]
+on:
+  push:
+  pull_request:
+    branches: [ master ]
 
 jobs:
   build:
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 82a54aa2..7b3784f1 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -1,5 +1,8 @@
 name: windows
-on: [push, pull_request]
+on:
+  push:
+  pull_request:
+    branches: [ master ]
 
 jobs:
   build: