Add some workflow safety checks (#339)

Author: trask

.github/workflows/prepare-patch-release.yml

@@ -20,6 +20,13 @@ jobs:
           fi
           echo "VERSION=$major_minor.$((patch + 1))" >> $GITHUB_ENV
 
+      - name: Check change log has been updated
+        run: |
+          if ! grep --quiet "^## Version $VERSION" CHANGELOG.md; then
+            echo the change log needs to be updated
+            exit 1
+          fi
+
       - name: Update version
         run: |
           sed -ri "s/[0-9]+\.[0-9]+\.[0-9]+/$VERSION/" version.gradle.kts

.github/workflows/prepare-release-branch.yml

@@ -3,8 +3,20 @@ on:
   workflow_dispatch:
 
 jobs:
+  prereqs:
+    runs-on: ubuntu-latest
+    steps:
+      - run: |
+          version=$(.github/scripts/get-version.sh)
+          version=${version//-SNAPSHOT/}
+          if ! grep --quiet "^## Version $version" CHANGELOG.md; then
+            echo the change log needs to be updated
+            exit 1
+          fi
+
   create-pull-request-against-release-branch:
     runs-on: ubuntu-latest
+    needs: prereqs
     steps:
       - uses: actions/checkout@v3
 
@@ -44,6 +56,7 @@ jobs:
 
   create-pull-request-against-main:
     runs-on: ubuntu-latest
+    needs: prereqs
     steps:
       - uses: actions/checkout@v3