chore: maintain a 'next release' PR

.github/workflows/changelogensets.yml

@@ -0,0 +1,35 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  pull-requests: write
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.number || github.sha }}
+  cancel-in-progress: ${{ github.event_name != 'push' }}
+
+jobs:
+  update-changelog:
+    if: github.repository_owner == 'nuxt'
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - run: corepack enable
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 18
+          cache: "pnpm"
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - run: pnpm jiti ./scripts/update-changelog.ts
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

scripts/_utils.ts

@@ -1,6 +1,8 @@
 import { promises as fsp } from 'node:fs'
 import { resolve } from 'pathe'
 import { globby } from 'globby'
+import { execaSync } from 'execa'
+import { determineSemverChange, getGitDiff, loadChangelogConfig, parseCommits } from 'changelogen'
 
 export interface Dep {
   name: string,
@@ -94,3 +96,19 @@ export async function loadWorkspace (dir: string) {
     setVersion
   }
 }
+
+export async function determineBumpType () {
+  const config = await loadChangelogConfig(process.cwd())
+  const commits = await getLatestCommits()
+
+  const bumpType = determineSemverChange(commits, config)
+
+  return bumpType === 'major' ? 'minor' : bumpType
+}
+
+export async function getLatestCommits () {
+  const config = await loadChangelogConfig(process.cwd())
+  const latestTag = execaSync('git', ['describe', '--tags', '--abbrev=0']).stdout
+
+  return parseCommits(await getGitDiff(latestTag), config)
+}

scripts/bump-edge.ts

@@ -1,9 +1,7 @@
 import { execSync } from 'node:child_process'
 import { $fetch } from 'ofetch'
 import { inc } from 'semver'
-import { determineSemverChange, getGitDiff, loadChangelogConfig, parseCommits } from 'changelogen'
-import { execaSync } from 'execa'
-import { loadWorkspace } from './_utils'
+import { determineBumpType, loadWorkspace } from './_utils'
 
 async function main () {
   const workspace = await loadWorkspace(process.cwd())
@@ -16,13 +14,7 @@ async function main () {
   const latestNitro = nitroInfo['dist-tags'].latest
   nuxtPkg.data.dependencies.nitropack = `npm:nitropack-edge@^${latestNitro}`
 
-  const config = await loadChangelogConfig(process.cwd())
-
-  const latestTag = execaSync('git', ['describe', '--tags', '--abbrev=0']).stdout
-
-  const commits = await getGitDiff(latestTag)
-  let bumpType = determineSemverChange(parseCommits(commits, config), config)
-  if (bumpType === 'major') { bumpType = 'minor' } // 🙈
+  const bumpType = await determineBumpType()
 
   for (const pkg of workspace.packages.filter(p => !p.data.private)) {
     const newVersion = inc(pkg.data.version, bumpType || 'patch')

scripts/update-changelog.ts

@@ -0,0 +1,73 @@
+import { execSync } from 'node:child_process'
+import { $fetch } from 'ofetch'
+import { inc } from 'semver'
+import { generateMarkDown, loadChangelogConfig } from 'changelogen'
+import { determineBumpType, getLatestCommits, loadWorkspace } from './_utils'
+
+async function main () {
+  const workspace = await loadWorkspace(process.cwd())
+  const config = await loadChangelogConfig(process.cwd(), {
+  })
+
+  const commits = await getLatestCommits()
+  const bumpType = await determineBumpType()
+
+  const newVersion = inc(workspace.find('nuxt').data.version, bumpType || 'patch')
+  const changelog = await generateMarkDown(commits, config)
+
+  // Create and push a branch with bumped versions if it has not already been created
+  const branchExists = execSync(`git ls-remote --heads origin v${newVersion}`).toString().trim().length > 0
+  if (!branchExists) {
+    execSync(`git checkout -b v${newVersion}`)
+
+    for (const pkg of workspace.packages.filter(p => !p.data.private)) {
+      workspace.setVersion(pkg.data.name, newVersion!)
+    }
+    await workspace.save()
+
+    execSync(`git commit -am v${newVersion}`)
+    execSync(`git push -u origin v${newVersion}`)
+  }
+
+  // Get the current PR for this release, if it exists
+  const [currentPR] = await $fetch(`https://api.github.com/repos/nuxt/nuxt/pulls?head=nuxt:v${newVersion}`)
+
+  const releaseNotes = [
+    currentPR?.body.replace(/## 👉 Changelog[\s\S]*$/, '') || `> ${newVersion} is the next ${bumpType} release.\n>\n> **Timetable**: to be announced.`,
+    '## 👉 Changelog',
+    changelog.replace(/^## v.*?\n/, '').replace('...main', `...v${newVersion}`)
+  ].join('\n')
+
+  // Create a PR with release notes if none exists
+  if (!currentPR) {
+    return await $fetch('https://api.github.com/repos/nuxt/nuxt/pulls', {
+      method: 'POST',
+      headers: {
+        Authorization: `token ${process.env.GITHUB_TOKEN}`
+      },
+      body: {
+        title: `v${newVersion}`,
+        head: `v${newVersion}`,
+        base: 'main',
+        body: releaseNotes,
+        draft: true
+      }
+    })
+  }
+
+  // Update release notes if the pull request does exist
+  await $fetch(`https://api.github.com/repos/nuxt/nuxt/pulls/${currentPR.number}`, {
+    method: 'PATCH',
+    headers: {
+      Authorization: `token ${process.env.GITHUB_TOKEN}`
+    },
+    body: {
+      body: releaseNotes
+    }
+  })
+}
+
+main().catch((err) => {
+  console.error(err)
+  process.exit(1)
+})