Add automated releases

.github/index.mjs

@@ -46,8 +46,8 @@
   if (mode === "publish") {
     console.log(`Pushing staged changes: \n${[...staged].map(file => `  - ${file}`).join("\n")}`)
     const gitted = await git
-      .addConfig("user.name", "GitHub Action")
-      .addConfig("user.email", "<>")
+      .addConfig("user.name", "github-actions[bot]")
+      .addConfig("user.email", "41898282+github-actions[bot]@users.noreply.github.com")
       .add([...staged])
       .commit("Auto-regenerate files")
       .push("origin", "master")

.github/release.mjs

@@ -0,0 +1,60 @@
+//Imports
+  import github from "@actions/github"
+  import paths from "path"
+  import url from "url"
+  import sgit from "simple-git"
+
+//Git setup
+  const __metrics = paths.join(paths.dirname(url.fileURLToPath(import.meta.url)), "..")
+  const git = sgit(__metrics)
+
+//Setup octokit
+  const token = process.env.GITHUB_TOKEN
+  const rest = github.getOctokit(token)
+
+//Environment
+  const maintainer = "lowlighter"
+  const repository = process.env.GITHUB_REPOSITORY.match(/^(?<owner>[\s\S]+)[/](?<name>[\s\S]+)$/)?.groups ?? null
+  const version = process.env.GITHUB_COMMIT_MESSAGE.match(/(?<version>v\d+[.]\d+)/)?.groups?.version ?? null
+
+//Check arguments
+  if ((!repository)||(!repository.name)||(!repository.owner))
+    throw new Error(`Could not parse repository "${process.env.GITHUB_REPOSITORY}"`)
+  console.log(`Repository: ${repository.owner}/${repository.name}`)
+  if (!version)
+    throw new Error(`Could not parse version from "${process.env.GITHUB_COMMIT_MESSAGE}"`)
+  console.log(`Version: ${version}`)
+
+//Load related issue
+  const {data:{items:issues}} = await rest.search.issuesAndPullRequests({
+    q:`repo:${repository.owner}/${repository.name} is:issue is:open author:${maintainer} assignee:${maintainer} Release ${version} in:title`
+  })
+
+//Ensure that there is exactly one issue matching
+  if (issues.length < 1)
+    throw new Error(`No matching issues found`)
+  if (issues.length > 1)
+    throw new Error(`Multiple issues found (${issues.length} matching)`)
+  const [patchnote] = issues
+  console.log(`Using issue#${patchnote.number}: ${patchnote.title}`)
+
+//Check whether release already exists
+  try {
+    const {data:{id}} = await rest.repos.getReleaseByTag({owner:repository.owner, repo:repository.name, tag:version})
+    console.log(`Release ${version} already exists (#${id}), will replace it`)
+    await rest.repos.deleteRelease({owner:repository.owner, repo:repository.name, release_id:id})
+    console.log(`Deleting tag ${version}`)
+    await git.push(["--delete", "origin", version])
+    await new Promise(solve => setTimeout(solve, 15*1000))
+  }
+  catch {
+    console.log(`Release ${version} does not exists yet, will create it`)
+  }
+
+//Publish release
+  await rest.repos.createRelease({owner:repository.owner, repo:repository.name, tag_name:version, name:`Version ${version}`, body:patchnote.body})
+  console.log(`Successfully published`)
+
+//Close patchnote issue
+  await rest.issues.update({owner:repository.owner, repo:repository.name, issue_number:patchnote.number, state:"closed"})
+  console.log(`Closed #${patchnote.number}`)

.github/workflows/workflow.yml

@@ -137,6 +137,31 @@ jobs:
       - name: Publish latest to GitHub registry
         run: docker push ghcr.io/lowlighter/metrics:latest
 
+  # Rebase latest branch on master
+  update-latest:
+    name: Rebase latest on master
+    runs-on: ubuntu-latest
+    needs: [ docker-release ]
+    if: github.event_name == 'push' && github.ref == 'refs/heads/master' && contains(github.event.head_commit.message, '[release]')
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+          token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Setup NodeJS
+        uses: actions/setup-node@v2
+        with:
+          node-version: 15
+      - name: Setup metrics
+        run: npm ci
+      - name: Checkout latest
+        run: git checkout latest
+      - name: Rebase latest on master
+        run: git merge master
+      - name: Push latest
+        run: git push origin latest
+
   # Test lowlighter/metrics@latest
   action-latest-test:
     name: Test lowlighter/metrics@latest
@@ -153,6 +178,27 @@ jobs:
           use_mocked_data: yes
           verify: yes
 
+  # Publish GitHub release
+  publish-release:
+    name:
+    runs-on: ubuntu-latest
+    needs: [ action-latest-test ]
+    if: github.event_name == 'push' && github.ref == 'refs/heads/master' && contains(github.event.head_commit.message, '[release]')
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+      - name: Setup NodeJS
+        uses: actions/setup-node@v2
+        with:
+          node-version: 15
+      - name: Setup metrics
+        run: npm ci
+      - name: Publish release
+        run: node .github/release.mjs
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+          GITHUB_REPOSITORY: ${{ github.repository }}
+
   # Deploy to metrics.lecoq.io
   deploy-master:
     name: Deploy lowlighter/metrics@master