chore: add publish-unstable workflow

.github/workflows/publish-unstable.yml

@@ -0,0 +1,30 @@
+name: Publish unstable
+on:
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+  push:
+    branches: main
+  workflow_dispatch:
+jobs:
+  publish-unstable:
+    name: Publish unstable
+    runs-on: ubuntu-latest
+    if: ${{ !startsWith(github.event.head_commit.message, 'release:') && !github.event.pull_request.draft }}
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+          ref: ${{ github.head_ref || github.ref }}
+      - name: Use Node.js
+        uses: ./.github/actions/setup-node
+      - name: Install dependencies
+        run: yarn install
+      - name: Run publish script
+        env:
+          SENTRY_AUTH_TOKEN: ${{ secrets.SENTRY_AUTH_TOKEN }}
+          YARN_NPM_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+        run: |
+          git config user.email "${GITHUB_ACTOR_ID}+${GITHUB_ACTOR}@users.noreply.github.com"
+          git config user.name "${GITHUB_ACTOR}"
+          yarn publish unstable --tolerate-republish

scripts/publish.ts

@@ -12,7 +12,6 @@ import {
 import {
   readCurrentBranchHeadTags,
   readCurrentBranchName,
-  readDefaultBranchName,
 } from "./utils/gitUtils";
 import {
   fetchPackageVersionHistory,
@@ -22,9 +21,13 @@ import {
 
 publish();
 
-async function publish(): Promise<void> {
+type Options = { defaultBranchName?: string };
+
+async function publish(options?: Options): Promise<void> {
   process.on("uncaughtException", handleUncaughtException);
 
+  const defaultBranchName = options?.defaultBranchName ?? "main";
+
   // Parse the command-line arguments.
   const args = mri<{ "dry-run": boolean; "tolerate-republish": boolean }>(
     process.argv.slice(2),
@@ -120,12 +123,6 @@ async function publish(): Promise<void> {
       `Invalid current branch name: \`${currentBranchName}\`. It must use GitHub's safe set of characters (see https://docs.github.com/en/get-started/using-git/dealing-with-special-characters-in-branch-and-tag-names#naming-branches-and-tags).`,
     );
   }
-  const defaultBranchName = await readDefaultBranchName();
-  if (defaultBranchName === undefined) {
-    throw new CommandError(
-      "There's no default branch set for the `origin` remote.",
-    );
-  }
   const isOnDefaultBranch = currentBranchName === defaultBranchName;
   if (mode === "stable" && !isOnDefaultBranch) {
     throw new CommandError(

scripts/utils/gitUtils.ts

@@ -9,12 +9,3 @@ export async function readCurrentBranchName(): Promise<string | undefined> {
   const { stdout } = await exec("git", ["branch", "--show-current"]);
   return stdout.length > 0 ? stdout : undefined;
 }
-
-export async function readDefaultBranchName(): Promise<string | undefined> {
-  const namespace = "refs/remotes/origin";
-  const { stdout } = await exec("git", [
-    ...["rev-parse", "--quiet", "--symbolic-full-name", "--verify"],
-    `${namespace}/HEAD`,
-  ]);
-  return stdout.length > 0 ? stdout.replace(`${namespace}/`, "") : undefined;
-}