Add release metadata action (#2153)

.github/workflows/update-release-metadata.yml

@@ -0,0 +1,37 @@
+name: Update Release Metadata
+
+on:
+  workflow_dispatch:
+    inputs:
+      newVersion:
+        description: version override
+        type: string
+        required: false
+
+jobs:
+  create-update-pr:
+    name: Create update PR
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+          cache: npm
+
+      - name: Update release metadata
+        run: node dev/update_release_metadata.mjs ${{ inputs.newVersion || '' }}
+
+      - name: Create pull request
+        uses: peter-evans/create-pull-request@v7
+        with:
+          title: Update release metadata
+          commit-message: update release metadata
+          branch: update-release-metadata
+          body: |
+            Updates the extension version in metadata files, triggering Firefox autoupdate and the "Please update XKit!" in-extension notification.
+
+            Remember to confirm that the referenced version is released on Github, the .xpi file link works, and the Chrome web store has the referenced version available before merging this.

dev/update_release_metadata.mjs

@@ -0,0 +1,18 @@
+import fs from "node:fs";
+import process from "node:process";
+
+const newVersion = process.argv[2] || JSON.parse(fs.readFileSync("manifest.json", "utf8")).version;
+
+const data = [
+	"Extensions/dist/page/FirefoxUpdate.json",
+	"Extensions/dist/page/FirefoxUpdate.rdf",
+	"Extensions/dist/page/framework_version.json",
+].map(filePath => ({ filePath, contents: fs.readFileSync(filePath, "utf8") }));
+
+const oldVersion = /7\.\d{1,2}.\d{1,2}/.exec(data[0].contents)[0];
+
+console.log(`replacing ${oldVersion} with ${newVersion}`);
+
+data.forEach(({ filePath, contents }) => {
+	fs.writeFileSync(filePath, contents.replaceAll(oldVersion, newVersion), { flag: "w+" });
+});