1 files changed, 51 insertions, 0 deletions
diff --git a/tools/release/02_create_pr.ts b/tools/release/02_create_pr.ts
new file mode 100755
index 000000000..e64638277
--- /dev/null
+++ b/tools/release/02_create_pr.ts
@@ -0,0 +1,51 @@
+#!/usr/bin/env -S deno run --allow-read --allow-write --allow-env --allow-net --allow-run=cargo,git --no-check
+// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
+import { DenoWorkspace } from "./deno_workspace.ts";
+import { createOctoKit, getGitHubRepository } from "./deps.ts";
+
+const octoKit = createOctoKit();
+const workspace = await DenoWorkspace.load();
+const repo = workspace.repo;
+const cliCrate = workspace.getCliCrate();
+
+const originalBranch = await repo.gitCurrentBranch();
+const newBranchName = `release_${cliCrate.version.replace(/\./, "_")}`;
+
+// Create and push branch
+console.log(`Creating branch ${newBranchName}...`);
+await repo.gitBranch(newBranchName);
+await repo.gitAdd();
+await repo.gitCommit(cliCrate.version);
+console.log("Pushing branch...");
+await repo.gitPush("-u", "origin", "HEAD");
+
+// Open PR
+console.log("Opening PR...");
+const openedPr = await octoKit.request("POST /repos/{owner}/{repo}/pulls", {
+  ...getGitHubRepository(),
+  base: originalBranch,
+  head: newBranchName,
+  draft: true,
+  title: cliCrate.version,
+  body: getPrBody(),
+});
+console.log(`Opened PR at ${openedPr.data.url}`);
+
+function getPrBody() {
+  let text = `Bumped versions for ${cliCrate.version}\n\n` +
+    `Please ensure:\n` +
+    `- [ ] Crate versions are bumped correctly\n` +
+    `- [ ] deno_std version is incremented in the code\n` +
+    `- [ ] Releases.md is updated correctly\n\n` +
+    `To make edits to this PR:\n` +
+    "```shell\n" +
+    `git fetch upstream ${newBranchName} && git checkout -b ${newBranchName} upstream/${newBranchName}\n` +
+    "```\n";
+
+  const actor = Deno.env.get("GH_WORKFLOW_ACTOR");
+  if (actor != null) {
+    text += `\ncc @${actor}`;
+  }
+
+  return text;
+}