8 files changed, 45 insertions, 2 deletions
diff --git a/packages/desktop-electron/electron-builder.config.ts b/packages/desktop-electron/electron-builder.config.ts
index e6b4bcd2b..70441d8d7 100644
--- a/packages/desktop-electron/electron-builder.config.ts
+++ b/packages/desktop-electron/electron-builder.config.ts
@@ -1,5 +1,25 @@
+import { execFile } from "node:child_process"
+import path from "node:path"
+import { fileURLToPath } from "node:url"
+import { promisify } from "node:util"
+
 import type { Configuration } from "electron-builder"
 
+const execFileAsync = promisify(execFile)
+const rootDir = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "../..")
+const signScript = path.join(rootDir, "script", "sign-windows.ps1")
+
+async function signWindows(configuration: { path: string }) {
+  if (process.platform !== "win32") return
+  if (process.env.GITHUB_ACTIONS !== "true") return
+
+  await execFileAsync(
+    "pwsh",
+    ["-NoLogo", "-NoProfile", "-ExecutionPolicy", "Bypass", "-File", signScript, configuration.path],
+    { cwd: rootDir },
+  )
+}
+
 const channel = (() => {
   const raw = process.env.OPENCODE_CHANNEL
   if (raw === "dev" || raw === "beta" || raw === "prod") return raw
@@ -44,6 +64,9 @@ const getBase = (): Configuration => ({
   },
   win: {
     icon: `resources/icons/icon.ico`,
+    signtoolOptions: {
+      sign: signWindows,
+    },
     target: ["nsis"],
   },
   nsis: {
diff --git a/packages/desktop-electron/scripts/prepare.ts b/packages/desktop-electron/scripts/prepare.ts
index 3764db921..3704b2e61 100755
--- a/packages/desktop-electron/scripts/prepare.ts
+++ b/packages/desktop-electron/scripts/prepare.ts
@@ -13,11 +13,12 @@ await Bun.write("./package.json", JSON.stringify(pkg, null, 2) + "\n")
 console.log(`Updated package.json version to ${Script.version}`)
 
 const sidecarConfig = getCurrentSidecar()
+const artifact = process.env.OPENCODE_CLI_ARTIFACT ?? "opencode-cli"
 
 const dir = "resources/opencode-binaries"
 
 await $`mkdir -p ${dir}`
-await $`gh run download ${Bun.env.GITHUB_RUN_ID} -n opencode-cli`.cwd(dir)
+await $`gh run download ${process.env.GITHUB_RUN_ID} -n ${artifact}`.cwd(dir)
 
 await copyBinaryToSidecarFolder(windowsify(`${dir}/${sidecarConfig.ocBinary}/bin/opencode`))
 
diff --git a/packages/desktop-electron/scripts/utils.ts b/packages/desktop-electron/scripts/utils.ts
index 1c0add87d..19b96b0a1 100644
--- a/packages/desktop-electron/scripts/utils.ts
+++ b/packages/desktop-electron/scripts/utils.ts
@@ -63,6 +63,9 @@ export async function copyBinaryToSidecarFolder(source: string) {
   await $`mkdir -p ${dir}`
   const dest = windowsify(`${dir}/opencode-cli`)
   await $`cp ${source} ${dest}`
+  if (process.platform === "win32" && process.env.GITHUB_ACTIONS === "true") {
+    await $`pwsh -NoLogo -NoProfile -ExecutionPolicy Bypass -File ../../script/sign-windows.ps1 ${dest}`
+  }
   if (process.platform === "darwin") await $`codesign --force --sign - ${dest}`
 
   console.log(`Copied ${source} to ${dest}`)
diff --git a/packages/desktop/scripts/prepare.ts b/packages/desktop/scripts/prepare.ts
index d802f2d89..729bf6ae1 100755
--- a/packages/desktop/scripts/prepare.ts
+++ b/packages/desktop/scripts/prepare.ts
@@ -10,10 +10,11 @@ await Bun.write("./package.json", JSON.stringify(pkg, null, 2) + "\n")
 console.log(`Updated package.json version to ${Script.version}`)
 
 const sidecarConfig = getCurrentSidecar()
+const artifact = process.env.OPENCODE_CLI_ARTIFACT ?? "opencode-cli"
 
 const dir = "src-tauri/target/opencode-binaries"
 
 await $`mkdir -p ${dir}`
-await $`gh run download ${Bun.env.GITHUB_RUN_ID} -n opencode-cli`.cwd(dir)
+await $`gh run download ${process.env.GITHUB_RUN_ID} -n ${artifact}`.cwd(dir)
 
 await copyBinaryToSidecarFolder(windowsify(`${dir}/${sidecarConfig.ocBinary}/bin/opencode`))
diff --git a/packages/desktop/scripts/utils.ts b/packages/desktop/scripts/utils.ts
index 06ff25946..111871d3e 100644
--- a/packages/desktop/scripts/utils.ts
+++ b/packages/desktop/scripts/utils.ts
@@ -48,6 +48,9 @@ export async function copyBinaryToSidecarFolder(source: string, target = RUST_TA
   await $`mkdir -p src-tauri/sidecars`
   const dest = windowsify(`src-tauri/sidecars/opencode-cli-${target}`)
   await $`cp ${source} ${dest}`
+  if (process.platform === "win32" && process.env.GITHUB_ACTIONS === "true") {
+    await $`pwsh -NoLogo -NoProfile -ExecutionPolicy Bypass -File ../../script/sign-windows.ps1 ${dest}`
+  }
 
   console.log(`Copied ${source} to ${dest}`)
 }
diff --git a/packages/desktop/src-tauri/tauri.beta.conf.json b/packages/desktop/src-tauri/tauri.beta.conf.json
index 4dd787993..f2cf1d267 100644
--- a/packages/desktop/src-tauri/tauri.beta.conf.json
+++ b/packages/desktop/src-tauri/tauri.beta.conf.json
@@ -12,6 +12,10 @@
       "icons/beta/icon.ico"
     ],
     "windows": {
+      "signCommand": {
+        "cmd": "powershell",
+        "args": ["-ExecutionPolicy", "Bypass", "-File", "../../../script/sign-windows.ps1", "%1"]
+      },
       "nsis": {
         "installerIcon": "icons/beta/icon.ico"
       }
diff --git a/packages/desktop/src-tauri/tauri.conf.json b/packages/desktop/src-tauri/tauri.conf.json
index d5ca15b8a..265044625 100644
--- a/packages/desktop/src-tauri/tauri.conf.json
+++ b/packages/desktop/src-tauri/tauri.conf.json
@@ -45,6 +45,10 @@
       "entitlements": "./entitlements.plist"
     },
     "windows": {
+      "signCommand": {
+        "cmd": "powershell",
+        "args": ["-ExecutionPolicy", "Bypass", "-File", "../../../script/sign-windows.ps1", "%1"]
+      },
       "nsis": {
         "installerIcon": "icons/dev/icon.ico",
         "headerImage": "assets/nsis-header.bmp",
diff --git a/packages/desktop/src-tauri/tauri.prod.conf.json b/packages/desktop/src-tauri/tauri.prod.conf.json
index 0416c59cb..39561e45d 100644
--- a/packages/desktop/src-tauri/tauri.prod.conf.json
+++ b/packages/desktop/src-tauri/tauri.prod.conf.json
@@ -12,6 +12,10 @@
       "icons/prod/icon.ico"
     ],
     "windows": {
+      "signCommand": {
+        "cmd": "powershell",
+        "args": ["-ExecutionPolicy", "Bypass", "-File", "../../../script/sign-windows.ps1", "%1"]
+      },
       "nsis": {
         "installerIcon": "icons/prod/icon.ico"
       }