ci: implement release workflows (#113)

.github/workflows/prerelease-comment.yml

@@ -0,0 +1,65 @@
+# Adapted from create-t3-app.
+name: Write Beta Release comment
+
+on:
+  workflow_run:
+    workflows: ["Release - Beta"]
+    types:
+      - completed
+
+jobs:
+  comment:
+    if: |
+      github.repository_owner == 'shadcn' &&
+      ${{ github.event.workflow_run.conclusion == 'success' }}
+    runs-on: ubuntu-latest
+    name: Write comment to the PR
+    steps:
+      - name: "Comment on PR"
+        uses: actions/github-script@v6
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const allArtifacts = await github.rest.actions.listWorkflowRunArtifacts({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              run_id: context.payload.workflow_run.id,
+            });
+
+            for (const artifact of allArtifacts.data.artifacts) {
+              // Extract the PR number and package version from the artifact name
+              const match = /^npm-package-\@shadcn\/ui@(.*?)-pr-(\d+)/.exec(artifact.name);
+              
+              if (match) {
+                require("fs").appendFileSync(
+                  process.env.GITHUB_ENV,
+                  `\nBETA_PACKAGE_VERSION=${match[1]}` +
+                  `\nWORKFLOW_RUN_PR=${match[2]}` +
+                  `\nWORKFLOW_RUN_ID=${context.payload.workflow_run.id}`
+                );
+                break;
+              }
+            }
+
+      - name: "Comment on PR with Link"
+        uses: marocchino/sticky-pull-request-comment@v2
+        with:
+          number: ${{ env.WORKFLOW_RUN_PR }}
+          message: |
+            A new @shadcn/ui prerelease is available for testing. You can install this latest build in your project with:
+
+            ```sh
+            pnpm @shadcn/ui@${{ env.BETA_PACKAGE_VERSION }}
+            ```
+
+      - name: "Remove the autorelease label once published"
+        uses: actions/github-script@v6
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            github.rest.issues.removeLabel({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: ${{ env.WORKFLOW_RUN_PR }},
+              name: '🚀 autorelease',
+            });