Move license check to separate file.

.github/workflows/check_license.yml

@@ -0,0 +1,28 @@
+---
+name: Check license
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test_license:
+    name: Check license headers
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Get changed files
+       id: changed-files
+       uses: tj-actions/[email protected]
+
+    - name: Check copyright header in added files
+    - shell: bash
+    - run: |
+        missing=0
+        for file in "${{ steps.changed-files.outputs.added_files }}"; do
+          if ! egrep -q '(Facebook, Inc(\.|,)? and its affiliates)|([0-9]{4}-present(\.|,)? Facebook)|([0-9]{4}(\.|,)? Facebook)' $file
+          echo "Missing copyright header in $file"
+          missing=$(expr $missing + 1)
+        done
+        exit $missing

.github/workflows/test_and_deploy.yml

@@ -13,26 +13,6 @@ on:
 
 
 jobs:
-  test_license:
-    name: Check license headers
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: Get changed files
-       id: changed-files
-       uses: tj-actions/[email protected]
-
-    - name: Check copyright header in added files
-    - shell: bash
-    - run: |
-        missing=0
-        for file in "${{ steps.changed-files.outputs.added_files }}"; do
-          if ! egrep -q '(Facebook, Inc(\.|,)? and its affiliates)|([0-9]{4}-present(\.|,)? Facebook)|([0-9]{4}(\.|,)? Facebook)' $file
-          echo "Missing copyright header in $file"
-          missing=$(expr $missing + 1)
-        done
-        exit $missing
-
   test_repo:
     name: Test on ${{ matrix.os }} w/ Py${{ matrix.python-version }}
     runs-on: ${{ matrix.os }}