Require or not changelog based on label (#117)

.github/workflows/changelog-check.yml

@@ -2,71 +2,44 @@ name: CHANGELOG Check
 
 on:
   pull_request:
-  issue_comment:
+    types: [opened, synchronize, reopened, labeled, unlabeled, edited]
+
+env:
+  CHANGELOG_REQUIRED: true
+  IGNORE_CHECK_LABEL: allow-no-changelog
 
 jobs:
   changelog-check:
-    if: github.event_name == 'pull_request'
     runs-on: ubuntu-latest
 
     steps:
-      - name: Check if CHANGELOG is not required
-        id: command-check
+      - name: Override variable if PR is labeled ${{ env.IGNORE_CHECK_LABEL }}
+        if: ${{ contains(github.event.pull_request.labels.*.name, env.IGNORE_CHECK_LABEL) }}
         run: |
-          PR_COMMENTS=$( \
-            curl -sSL -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
-              -H "Accept: application/vnd.github.v3+json" \
-              https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/comments \
-          )
-
-          readarray -t comments < <(jq -c '.[]' <<<"$PR_COMMENTS")
-          IFS=$'\n' #read til newline
-          CHECK_CHANGELOG=true
-
-          for item in "${comments[@]}"; do
-            author_association=$(jq --raw-output '.author_association' <<< "$item")
-            body=$(jq --raw-output '.body' <<< "$item")
-
-            echo "author_association: $author_association"
-            echo "body: $body"
-            
-            if [[ "$author_association" == "OWNER" || "$author_association" == "COLLABORATOR" ]]; then
-              # if body is no-changelog, set var to false, else if body is require-changelog, set var to true.
-              if [[ "$body" == *"/no-changelog"* ]]; then
-                CHECK_CHANGELOG=false
-              elif [[ "$body" == *"/require-changelog"* ]]; then
-                CHECK_CHANGELOG=true
-              fi
-            fi
-          done
-
-          if [[ "$CHECK_CHANGELOG" == "false" ]]; then
-            echo "No CHANGELOG required"
-            echo "status=skip" >> $GITHUB_OUTPUT
-          fi
+          echo "CHANGELOG_REQUIRED=false" >> $GITHUB_ENV
 
       - uses: actions/checkout@v3
-        if: steps.command-check.outputs.status != 'skip'
+        if: fromJSON(env.CHANGELOG_REQUIRED)
         with:
           fetch-depth: 0
-          ref: refs/pull/${{ github.event.pull_request.number }}/head
+          ref: ${{ github.head_ref }}
 
       # Example 1
       - name: Get changed files
-        if: steps.command-check.outputs.status != 'skip'
+        if: fromJSON(env.CHANGELOG_REQUIRED)
         id: changed-files
         uses: tj-actions/changed-files@v35
 
       # Example 2
       - name: Get changed files in the docs folder
-        if: steps.command-check.outputs.status != 'skip'
+        if: fromJSON(env.CHANGELOG_REQUIRED)
         id: changelog-changed
         uses: tj-actions/changed-files@v35
         with:
           files: CHANGELOG.md
 
       - name: Fail workflow if CHANGELOG.md has not been changed
-        if: steps.command-check.outputs.status != 'skip' && steps.changelog-changed.outputs.any_changed == 'false'
+        if: fromJSON(env.CHANGELOG_REQUIRED) && steps.changelog-changed.outputs.any_changed == 'false'
         run: |
           echo "CHANGELOG.md has not been changed"
           exit 1