ci: deploy some apps preview only when PR has label

tools/scripts/ignore-build-step.js

@@ -0,0 +1,66 @@
+const fetch = require('node-fetch')
+
+const owner = process.env.VERCEL_GIT_REPO_OWNER
+const repo = process.env.VERCEL_GIT_REPO_SLUG
+const pullRequestId = process.env.VERCEL_GIT_PULL_REQUEST_ID
+const commitRef = process.env.VERCEL_GIT_COMMIT_REF
+const githubToken = process.env.GITHUB_TOKEN
+
+const APP_ARGV = '--app='
+const appName = (() => {
+  const argv = process.argv.find((arg) => arg.startsWith(APP_ARGV))
+  return argv ? argv.slice(APP_ARGV.length) : undefined
+})()
+
+const PREVIEW_IGNORE_BRANCHES = ['main', 'configuration', 'release-please--branches--main']
+
+async function shouldSkipBuild() {
+  if (PREVIEW_IGNORE_BRANCHES.includes(commitRef)) {
+    console.log(`Skipping build for branch ${commitRef}.`)
+    return true
+  }
+
+  if (!pullRequestId || !githubToken || !appName) {
+    console.log('No PR ID or GitHub token or appName found. Proceeding with build.')
+    return false
+  }
+
+  const url = `https://api.github.com/repos/${owner}/${repo}/issues/${pullRequestId}/labels`
+
+  try {
+    const response = await fetch(url, {
+      headers: {
+        Authorization: `Bearer ${githubToken}`,
+        Accept: 'application/vnd.github.v3+json',
+      },
+    })
+
+    if (!response.ok) {
+      console.error('Failed to fetch PR labels:', response.statusText)
+      return false // Proceed with the build in case of an error
+    }
+
+    const labels = await response.json()
+    console.log(
+      'PR Labels:',
+      labels.map((label) => label.name),
+    )
+    const hasAppLabel = labels.some((label) => label.name === appName)
+
+    // Skip the build if the PR doesn't have the app label
+    return !hasAppLabel
+  } catch (error) {
+    console.error('Error fetching PR labels:', error)
+    return false // Proceed with the build in case of an error
+  }
+}
+
+shouldSkipBuild().then((skip) => {
+  if (skip) {
+    console.log('Skipping build.')
+    process.exit(0)
+  } else {
+    console.log('Proceeding with build.')
+    process.exit(1)
+  }
+})