From 9d0327e7eb7b518267b582670ab59e298b5458de Mon Sep 17 00:00:00 2001
From: Oliver Tale-Yazdi <oliver@perun.network>
Date: Tue, 16 Nov 2021 14:42:13 +0100
Subject: [PATCH] :green_heart: [CI] Lint the copyright headers.

Signed-off-by: Oliver Tale-Yazdi <oliver@perun.network>
---
 .github/workflows/ci.yml           |  2 --
 .golangci.yml                      |  5 +++++
 .scripts/check-copyright-notice.sh | 25 -------------------------
 .scripts/copyright-notice          | 25 ++++++++++++-------------
 4 files changed, 17 insertions(+), 40 deletions(-)
 delete mode 100755 .scripts/check-copyright-notice.sh

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b09b24c2..144d6d5e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,8 +18,6 @@ jobs:
         uses: actions/checkout@v2
         with:
           fetch-depth: 0
-      - name: License header
-        run: .scripts/check-copyright-notice.sh
       - name: Authors
         run: .scripts/check-notice-authors.sh origin/main
 
diff --git a/.golangci.yml b/.golangci.yml
index be8998b1..455c7261 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -40,6 +40,11 @@ linters-settings:
   cyclop:
     # 15 is used by go-report-card as well.
     max-complexity: 15
+  goheader:
+    values:
+      regexp:
+        ANY_YEAR: "20(19|20|21)" # 2019-2021
+    template-path: ".scripts/copyright-notice"
   forbidigo:
     forbid:
       # Forbidigo functions to start with "get" or "Get".
diff --git a/.scripts/check-copyright-notice.sh b/.scripts/check-copyright-notice.sh
deleted file mode 100755
index 3331b808..00000000
--- a/.scripts/check-copyright-notice.sh
+++ /dev/null
@@ -1,25 +0,0 @@
-#!/bin/bash
-
-cn="$(dirname $(readlink -f $0))/copyright-notice"
-n=$(wc -l $cn | cut -d ' ' -f 1)
-
-function check_cr() {
-  diff $cn <(head -n${n} $1 | sed -e 's/20\(19\|2[0-9]\)/20XX/') -q > /dev/null
-  if [ $? -ne 0 ]; then
-    echo $1
-    diff $cn <(head -n${n} $1)
-  fi
-}
-
-if [ $# -ne 0 ]; then
-  code=0
-  for f in "$@"; do
-    check_cr $f
-    [ $? -ne 0 ] && code=1
-  done
-  exit $code
-fi
-
-find . \
-  -path "./backend/ethereum/bindings/*" -prune \
-  -o -name "*.go" -exec $0 {} +
diff --git a/.scripts/copyright-notice b/.scripts/copyright-notice
index e260ed04..a6ff7275 100644
--- a/.scripts/copyright-notice
+++ b/.scripts/copyright-notice
@@ -1,14 +1,13 @@
-// Copyright 20XX - See NOTICE file for copyright holders.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+Copyright {{ ANY_YEAR }} - See NOTICE file for copyright holders.
 
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.