ci: make sure all checked in files have SeatGeek copyright (#26)

* add add-copyrights.sh script

* add check copyright header job to build workflow

* add nicer title here

* remove copyright in file to test workflow

* fix filename

* only show name of files that need to be updated

* tell user to run script if fails

* run add copyrights script

.github/workflows/build.yml

@@ -7,6 +7,13 @@ on:
     branches:
       - main
 jobs:
+  check-copyright-header:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - run: scripts/add-copyrights.sh
+      - name: Check for changes
+        run: git diff --name-only --exit-code || (echo "Run scripts/add-copyrights.sh locally" && exit 1)
   lint:
     runs-on: ubuntu-latest
     strategy:

scripts/add-copyrights.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+# Define the copyright header
+read -r -d '' COPYRIGHT_HEADER << EOM
+/*
+ * Copyright SeatGeek
+ * Licensed under the terms of the Apache-2.0 license. See LICENSE file in project root for terms.
+ */
+EOM
+
+# Loop over .ts and .tsx files in the plugins/ directory
+for file in $(find plugins -type f \( -name "*.ts" -o -name "*.tsx" \)); do
+    # Check if the file is ignored by Git
+    if ! git check-ignore $file > /dev/null 2>&1; then
+        # If it's not ignored, check if the copyright header already exists in the file
+        if ! [[ "$(head -n4 $file)" == *"$COPYRIGHT_HEADER"* ]]; then
+            echo $file Δ
+            echo "${COPYRIGHT_HEADER}
+$(cat $file)" > $file
+        fi
+    fi
+done