feat: ship bun runtime with binary signing (#391)

* feat: add bun binary signing for macOS and Windows

Register the bun runtime binary in the code signing pipelines so it gets
properly signed and notarized alongside browseros_server and codex.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* feat: add bun runtime download and copy resource configs

Add bun binary entries for all platform/arch combos (macOS arm64/x64,
Linux arm64/x64, Windows x64) to download from R2 and copy into the
Chromium build output alongside browseros_server.

Also adds the server bundle (index.js) download and copy entries.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

packages/browseros/build/config/copy_resources.yaml

@@ -123,3 +123,45 @@ copy_operations:
     type: "file"
     os: ["windows"]
     arch: ["x64"]
+
+  # Bun Runtime - Platform & Architecture specific
+  - name: "Bun Runtime - macOS ARM64"
+    source: "resources/binaries/bun/bun-darwin-arm64"
+    destination: "chrome/browser/browseros/server/resources/bin/bun"
+    type: "file"
+    os: ["macos"]
+    arch: ["arm64"]
+
+  - name: "Bun Runtime - macOS x64"
+    source: "resources/binaries/bun/bun-darwin-x64"
+    destination: "chrome/browser/browseros/server/resources/bin/bun"
+    type: "file"
+    os: ["macos"]
+    arch: ["x64"]
+
+  - name: "Bun Runtime - Linux ARM64"
+    source: "resources/binaries/bun/bun-linux-arm64"
+    destination: "chrome/browser/browseros/server/resources/bin/bun"
+    type: "file"
+    os: ["linux"]
+    arch: ["arm64"]
+
+  - name: "Bun Runtime - Linux x64"
+    source: "resources/binaries/bun/bun-linux-x64"
+    destination: "chrome/browser/browseros/server/resources/bin/bun"
+    type: "file"
+    os: ["linux"]
+    arch: ["x64"]
+
+  - name: "Bun Runtime - Windows x64"
+    source: "resources/binaries/bun/bun-windows-x64.exe"
+    destination: "chrome/browser/browseros/server/resources/bin/bun.exe"
+    type: "file"
+    os: ["windows"]
+    arch: ["x64"]
+
+  # BrowserOS Server Bundle (platform-independent)
+  - name: "BrowserOS Server Bundle"
+    source: "resources/binaries/browseros_server/index.js"
+    destination: "chrome/browser/browseros/server/resources/index.js"
+    type: "file"

packages/browseros/build/config/download_resources.yaml

@@ -62,3 +62,43 @@ download_operations:
     destination: "resources/binaries/browseros_server/browseros-server-windows-x64.exe"
     os: ["windows"]
     arch: ["x64"]
+
+  # Bun Runtime - Platform & Architecture specific
+  - name: "Bun Runtime - macOS ARM64"
+    r2_key: "binaries/bun/bun-darwin-arm64"
+    destination: "resources/binaries/bun/bun-darwin-arm64"
+    os: ["macos"]
+    arch: ["arm64"]
+    executable: true
+
+  - name: "Bun Runtime - macOS x64"
+    r2_key: "binaries/bun/bun-darwin-x64"
+    destination: "resources/binaries/bun/bun-darwin-x64"
+    os: ["macos"]
+    arch: ["x64"]
+    executable: true
+
+  - name: "Bun Runtime - Linux ARM64"
+    r2_key: "binaries/bun/bun-linux-arm64"
+    destination: "resources/binaries/bun/bun-linux-arm64"
+    os: ["linux"]
+    arch: ["arm64"]
+    executable: true
+
+  - name: "Bun Runtime - Linux x64"
+    r2_key: "binaries/bun/bun-linux-x64"
+    destination: "resources/binaries/bun/bun-linux-x64"
+    os: ["linux"]
+    arch: ["x64"]
+    executable: true
+
+  - name: "Bun Runtime - Windows x64"
+    r2_key: "binaries/bun/bun-windows-x64.exe"
+    destination: "resources/binaries/bun/bun-windows-x64.exe"
+    os: ["windows"]
+    arch: ["x64"]
+
+  # BrowserOS Server Bundle (platform-independent)
+  - name: "BrowserOS Server Bundle"
+    r2_key: "binaries/browseros-server/index.js"
+    destination: "resources/binaries/browseros_server/index.js"

packages/browseros/build/modules/sign/macos.py

@@ -34,6 +34,11 @@ BROWSEROS_SERVER_BINARIES: Dict[str, Dict[str, str]] = {
         "options": "runtime",
         "entitlements": "browseros-executable-entitlements.plist",
     },
+    "bun": {
+        "identifier_suffix": "bun",
+        "options": "runtime",
+        "entitlements": "browseros-executable-entitlements.plist",
+    },
 }
 
 

packages/browseros/build/modules/sign/windows.py

@@ -19,6 +19,7 @@ from ...common.utils import (
 BROWSEROS_SERVER_BINARIES: List[str] = [
     "browseros_server.exe",
     "codex.exe",
+    "bun.exe",
 ]