desktop: add electron version (#15663)

1 files changed, 91 insertions, 0 deletions

diff --git a/packages/desktop-electron/src/main/migrate.ts b/packages/desktop-electron/src/main/migrate.ts
new file mode 100644
index 000000000..bad1349ee
--- /dev/null
+++ b/packages/desktop-electron/src/main/migrate.ts
@@ -0,0 +1,91 @@
+import { app } from "electron"
+import log from "electron-log/main.js"
+import { existsSync, readdirSync, readFileSync } from "node:fs"
+import { homedir } from "node:os"
+import { join } from "node:path"
+import { CHANNEL } from "./constants"
+import { getStore, store } from "./store"
+
+const TAURI_MIGRATED_KEY = "tauriMigrated"
+
+// Resolve the directory where Tauri stored its .dat files for the given app identifier.
+// Mirrors Tauri's AppLocalData / AppData resolution per OS.
+function tauriDir(id: string) {
+  switch (process.platform) {
+    case "darwin":
+      return join(homedir(), "Library", "Application Support", id)
+    case "win32":
+      return join(process.env.APPDATA ?? join(homedir(), "AppData", "Roaming"), id)
+    default:
+      return join(process.env.XDG_DATA_HOME ?? join(homedir(), ".local", "share"), id)
+  }
+}
+
+// The Tauri app identifier changes between dev/beta/prod builds.
+const TAURI_APP_IDS: Record<string, string> = {
+  dev: "ai.opencode.desktop.dev",
+  beta: "ai.opencode.desktop.beta",
+  prod: "ai.opencode.desktop",
+}
+function tauriAppId() {
+  return app.isPackaged ? TAURI_APP_IDS[CHANNEL] : "ai.opencode.desktop.dev"
+}
+
+// Migrate a single Tauri .dat file into the corresponding electron-store.
+// `opencode.settings.dat` is special: it maps to the `opencode.settings` store
+// (the electron-store name without the `.dat` extension). All other .dat files
+// keep their full filename as the electron-store name so they match what the
+// renderer already passes via IPC (e.g. `"default.dat"`, `"opencode.global.dat"`).
+function migrateFile(datPath: string, filename: string) {
+  let data: Record<string, unknown>
+  try {
+    data = JSON.parse(readFileSync(datPath, "utf-8"))
+  } catch (err) {
+    log.warn("tauri migration: failed to parse", filename, err)
+    return
+  }
+
+  // opencode.settings.dat → the electron settings store ("opencode.settings").
+  // All other .dat files keep their full filename as the store name so they match
+  // what the renderer passes via IPC (e.g. "default.dat", "opencode.global.dat").
+  const storeName = filename === "opencode.settings.dat" ? "opencode.settings" : filename
+  const target = getStore(storeName)
+  const migrated: string[] = []
+  const skipped: string[] = []
+
+  for (const [key, value] of Object.entries(data)) {
+    // Don't overwrite values the user has already set in the Electron app.
+    if (target.has(key)) {
+      skipped.push(key)
+      continue
+    }
+    target.set(key, value)
+    migrated.push(key)
+  }
+
+  log.log("tauri migration: migrated", filename, "→", storeName, { migrated, skipped })
+}
+
+export function migrate() {
+  if (store.get(TAURI_MIGRATED_KEY)) {
+    log.log("tauri migration: already done, skipping")
+    return
+  }
+
+  const dir = tauriDir(tauriAppId())
+  log.log("tauri migration: starting", { dir })
+
+  if (!existsSync(dir)) {
+    log.log("tauri migration: no tauri data directory found, nothing to migrate")
+    store.set(TAURI_MIGRATED_KEY, true)
+    return
+  }
+
+  for (const filename of readdirSync(dir)) {
+    if (!filename.endsWith(".dat")) continue
+    migrateFile(join(dir, filename), filename)
+  }
+
+  log.log("tauri migration: complete")
+  store.set(TAURI_MIGRATED_KEY, true)
+}