Issue checkstyle#11194: Automate bumping license year

.ci/bump-license-year.sh

@@ -2,9 +2,9 @@
 
 set -e
 
-PREV_YEAR=$1
-CURR_YEAR=$2
-DIR=$3
+CURR_YEAR=$(date +"%Y")
+PREV_YEAR=$(expr $CURR_YEAR - 1)
+DIR=$PWD
 
 OLD_VALUE="// Copyright (C) 2001-$PREV_YEAR the original author or authors."
 NEW_VALUE="// Copyright (C) 2001-$CURR_YEAR the original author or authors."

.github/workflows/bump_license_year.yml

@@ -0,0 +1,41 @@
+#############################################################################
+# Github Action to bump license year
+#
+# Workflow starts every new year.
+#
+#############################################################################
+name: "Bump license year"
+on:
+  push:
+  schedule:
+    - cron: "0 0 1 1 *"
+  # So we can manually trigger if required
+  workflow_dispatch:
+jobs:
+  bump:
+    name: Bump license year
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the latest code
+        uses: actions/checkout@v2
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Modify File
+        run: |
+          ./.ci/bump-license-year.sh
+      - name: Set Current Year
+        id: CURRENT_YEAR
+        run: |
+          echo "::set-output name=year::$(date +'%Y')"
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v3
+        env:
+          YEAR: ${{ steps.CURRENT_YEAR.outputs.year }}
+        with:
+          commit-message: "minor: Bump year to ${{ env.YEAR }}"
+          committer: GitHub <noreply@github.com>
+          author: ${{ github.actor }} <${{ github.actor }}@users.noreply.github.com>
+          branch: bump-year
+          delete-branch: true
+          body: "minor: Bump year to ${{ env.YEAR }}"
+          title: "minor: Bump year to ${{ env.YEAR }}"