1 files changed, 69 insertions, 0 deletions
diff --git a/packages/desktop-electron/scripts/utils.ts b/packages/desktop-electron/scripts/utils.ts
new file mode 100644
index 000000000..4c9af1fc7
--- /dev/null
+++ b/packages/desktop-electron/scripts/utils.ts
@@ -0,0 +1,69 @@
+import { $ } from "bun"
+
+export type Channel = "dev" | "beta" | "prod"
+
+export function resolveChannel(): Channel {
+  const raw = Bun.env.OPENCODE_CHANNEL
+  if (raw === "dev" || raw === "beta" || raw === "prod") return raw
+  return "dev"
+}
+
+export const SIDECAR_BINARIES: Array<{ rustTarget: string; ocBinary: string; assetExt: string }> = [
+  {
+    rustTarget: "aarch64-apple-darwin",
+    ocBinary: "opencode-darwin-arm64",
+    assetExt: "zip",
+  },
+  {
+    rustTarget: "x86_64-apple-darwin",
+    ocBinary: "opencode-darwin-x64-baseline",
+    assetExt: "zip",
+  },
+  {
+    rustTarget: "x86_64-pc-windows-msvc",
+    ocBinary: "opencode-windows-x64-baseline",
+    assetExt: "zip",
+  },
+  {
+    rustTarget: "x86_64-unknown-linux-gnu",
+    ocBinary: "opencode-linux-x64-baseline",
+    assetExt: "tar.gz",
+  },
+  {
+    rustTarget: "aarch64-unknown-linux-gnu",
+    ocBinary: "opencode-linux-arm64",
+    assetExt: "tar.gz",
+  },
+]
+
+export const RUST_TARGET = Bun.env.RUST_TARGET
+
+function nativeTarget() {
+  const { platform, arch } = process
+  if (platform === "darwin") return arch === "arm64" ? "aarch64-apple-darwin" : "x86_64-apple-darwin"
+  if (platform === "win32") return "x86_64-pc-windows-msvc"
+  if (platform === "linux") return arch === "arm64" ? "aarch64-unknown-linux-gnu" : "x86_64-unknown-linux-gnu"
+  throw new Error(`Unsupported platform: ${platform}/${arch}`)
+}
+
+export function getCurrentSidecar(target = RUST_TARGET ?? nativeTarget()) {
+  const binaryConfig = SIDECAR_BINARIES.find((b) => b.rustTarget === target)
+  if (!binaryConfig) throw new Error(`Sidecar configuration not available for Rust target '${target}'`)
+
+  return binaryConfig
+}
+
+export async function copyBinaryToSidecarFolder(source: string) {
+  const dir = `resources`
+  await $`mkdir -p ${dir}`
+  const dest = windowsify(`${dir}/opencode-cli`)
+  await $`cp ${source} ${dest}`
+  if (process.platform === "darwin") await $`codesign --force --sign - ${dest}`
+
+  console.log(`Copied ${source} to ${dest}`)
+}
+
+export function windowsify(path: string) {
+  if (path.endsWith(".exe")) return path
+  return `${path}${process.platform === "win32" ? ".exe" : ""}`
+}