#1747 license check

.github/workflows/license.yml

@@ -0,0 +1,55 @@
+# The MIT License (MIT)
+#
+# Copyright (c) 2021-2024 Yegor Bugayenko
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+---
+name: license
+'on':
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+jobs:
+  license:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - shell: bash
+        run: |
+          header="Copyright (c) 2013-$(date +%Y), jcabi.com"
+          failed="false"
+          while IFS= read -r file; do
+            if ! grep -q "${header}" "${file}"; then
+              failed="true"
+              echo "⚠️ Copyright header is not found in: ${file}"
+            else
+              echo "File looks good: ${file}"
+            fi
+          done < <(find . -type f \( \
+            -name "LICENSE.txt" -o \
+            -name "*.xml" -o \
+            -name "*.java" -o \
+            -name "*.yml" \
+            \) -print)
+          if [ "${failed}" = "true" ]; then
+            exit 1
+          fi