Pull Request Template validation (#326)

Co-authored-by: Elbaz <eranelbaz97@gmail.com>

.github/pull_request_template.md

@@ -10,12 +10,12 @@ https://github.com/opentffoundation/opentf/blob/main/CONTRIBUTING.md
 
 <!--
 
-Link all GitHub issues fixed by this PR, and add references to prior
-related PRs.
+Link all GitHub issues fixed by this PR, and add references to prior related PRs.
+Make sure to first open issue, get community approval and then create Pull Request to resolve it
 
 -->
 
-Fixes #
+Resolves #
 
 ## Target Release
 

.github/workflows/pr-lint.yml

@@ -0,0 +1,35 @@
+name: Pull Request Lint
+
+on:
+  pull_request:
+    types: ['opened', 'edited', 'reopened', 'synchronize']
+
+jobs:
+  check-linked-issues:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check for linked issues
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          QUERY='query ($prNumber: Int!, $repositoryName: String!, $repositoryOwner: String!) { 
+            repository(name: $repositoryName, owner: $repositoryOwner) { 
+              pullRequest(number: $prNumber) { 
+                closingIssuesReferences(first: 10) { 
+                  nodes { 
+                    number 
+                  } 
+                } 
+              } 
+            } 
+          }'
+          
+          ISSUES=$(gh api graphql -f query="$QUERY" -F prNumber=${{ github.event.pull_request.number }} -F repositoryName=${{ github.event.repository.name }} -F repositoryOwner=${{ github.event.repository.owner.login }} -q '.data.repository.pullRequest.closingIssuesReferences.nodes[] | .number')
+
+          if [ -z "$ISSUES" ]
+          then
+            echo "No issues linked to this PR. Please link an issue and try again."
+            exit 1
+          else
+            echo "Issue(s) linked: $ISSUES"
+          fi