github: add action to compile vial keyboards

.github/workflows/ci.yml

@@ -0,0 +1,24 @@
+name: CI
+
+on:
+  push:
+  workflow_dispatch:
+  pull_request:
+    paths:
+    - 'keyboards/**'
+
+jobs:
+  info:
+    runs-on: ubuntu-latest
+
+    container: qmkfm/base_container
+
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+
+    - name: Compile Vial keyboards
+      run: |
+        make git-submodule
+        python3 util/compile_vial_keyboards.py

util/compile_vial_keyboards.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python3
+from glob import glob
+import subprocess
+
+
+def main():
+    for filename in glob("keyboards/**/vial.json", recursive=True):
+        filename = filename[10:-10]
+        cmd = filename.split("/keymaps/")[0]
+        # compile default
+        subprocess.call(["make", cmd + ":default", "-j4"])
+        # compile via
+        subprocess.call(["make", cmd + ":via", "-j4"])
+
+
+if __name__ == "__main__":
+    main()