Merge pull request #216 from cloudfoundry/add_milestone_automation

chore: GH Action - PR Default Milestone

Author: vipinvkmenon

.github/workflows/set-default-pr-values.yaml

@@ -0,0 +1,79 @@
+
+name: Set default values to PR
+# Add the PR to the central project (status in project is set via workflow in project)
+# Add the creator of the PR as assignee
+# Add the next available milestone to the PR
+
+on:
+  pull_request:
+    types:
+      - opened
+
+permissions:
+  issues: write
+  pull-requests: write
+
+jobs:
+  set-default-values:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Add creator as assignee
+        if: ${{ github.actor != 'dependabot[bot]' }}
+        env:
+         GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh api \
+          --method POST \
+          -H "Accept: application/vnd.github+json" \
+          -H "X-GitHub-Api-Version: 2022-11-28" \
+          /repos/${{github.repository}}/issues/${{github.event.number}}/assignees \
+           -f "assignees[]=${{github.actor}}"
+      - name: Add next milestone
+        uses: actions/github-script@v7
+        with:
+         script: |
+           const milestones = await github.rest.issues.listMilestones({
+             owner: context.repo.owner,
+             repo: context.repo.repo,
+             state: "open",
+             sort: "due_on",
+             direction: "asc"
+           })
+
+           await github.rest.issues.update({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.issue.number,
+              milestone: milestones.data[0].number
+           });
+
+      - name: Set default labels
+        if: ${{ github.actor != 'dependabot[bot]' }}
+        uses: actions/github-script@v7
+        env:
+          TITLE: ${{ github.event.pull_request.title }}
+        with:
+          script: |
+            const title = process.env.TITLE;
+
+            let defaultLabels = [];
+            if (title.startsWith("feat:")) {
+              defaultLabels.push("enhancement");
+            } else if (title.startsWith("fix:")) {
+              defaultLabels.push("bug");
+            } else if (title.startsWith("docs:")) {
+              defaultLabels.push("documentation");
+            } else if (title.startsWith("test:")) {
+              defaultLabels.push("test setup", "internal", "ignore-for-release");
+            } else if (title.startsWith("refactor:")) {
+              defaultLabels.push("internal", "ignore-for-release", "refactoring");
+            } else {
+              defaultLabels.push("internal", "ignore-for-release");
+            }
+
+            await github.rest.issues.addLabels({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.issue.number,
+              labels: defaultLabels
+            });