Add release workflow

.github/workflows/prepare_release.yml

@@ -0,0 +1,36 @@
+name: Prepare a web-features release
+
+on:
+  workflow_dispatch:
+    inputs:
+      semverLevel:
+        description: "Bump to semver level"
+        required: true
+        type: choice
+        default: "minor"
+        options:
+          - patch
+          - minor
+          - major
+
+jobs:
+  open_pr:
+    name: Open PR
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: |
+          git config user.name github-actions
+          git config user.email github-actions@github.com
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: .node-version
+          cache: npm
+      - run: npm ci
+      - name: ./scripts/release.ts init
+        run: npx tsx ./scripts/release.ts init --target-repo=$REPO --reviewer=$ACTOR $SEMVER_LEVEL
+        env:
+          ACTOR: ${{ github.actor }}
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          REPO: ${{ github.repository }}
+          SEMVER_LEVEL: ${{ inputs.semverLevel }}

scripts/release-pull-description.md

@@ -1 +1 @@
-⚠ Caution! Merging this PR triggers a release. Continue reading before merging. ⚠
+This is a generated release pull request. Don't merge if you're not ready to carry out the release.

scripts/release.ts

@@ -62,12 +62,18 @@ yargs(process.argv.slice(2))
           choices: semverChoices,
           default: "patch",
         })
+        .option("reviewers", {
+          describe: "Comma-separated list of users to request reviews from",
+          nargs: 1,
+        })
         .demandOption("semverlevel", "You must provide a semver level");
     },
     handler: init,
   }).argv;
 
 function init(args) {
+  logger.debug(JSON.stringify(args));
+
   preflight({ expectedBranch: "main" });
 
   const diff = diffJson();
@@ -98,13 +104,13 @@ function init(args) {
   // Create PR
   const title = [pullTitleBase, newVersion].join("");
   logger.info(`Creating PR: ${title}`);
-  const reviewer = "ddbeck";
+  const reviewers = args.reviewers.split(",");
   const body = makePullBody(diff);
 
   const pullRequestCmd = [
     "gh pr create",
     `--title="${title}"`,
-    `--reviewer="${reviewer}"`,
+    ...reviewers.map((r) => `--reviewer=${r}`),
     `--body-file=-`,
     `--base="main"`,
     `--head="${releaseBranch}"`,
@@ -139,7 +145,6 @@ function makePullBody(diff: string) {
   const body = [
     readFileSync(bodyFile, { encoding: "utf-8" }),
     "```diff",
-    diff,
     "```",
   ].join("\n");
   return body;