Rename to miniSCP; migrate legacy data dirs on boot

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

README.md

@@ -1,4 +1,4 @@
-# BunSCP
+# miniSCP
 
 A cross-platform, dual-panel SFTP/local file manager — a small WinSCP-style
 commander built on **Bun**, **Electrobun**, and **Angular**.
@@ -90,7 +90,7 @@ Bun main process (`src/bun/**`, RPC schema) trigger an app relaunch.
 ## Build a packaged app
 
 ```bash
-bun run build        # ng build (ui/dist) + electrobun build -> build/*/BunSCP*.app
+bun run build        # ng build (ui/dist) + electrobun build -> build/*/miniSCP*.app
 ```
 
 The Angular bundle is copied into the app under `views://app`. The macOS icon is
@@ -107,8 +107,9 @@ Everything user-facing reads from **[`src/shared/branding.ts`](src/shared/brandi
 
 ```ts
 export const BRANDING = {
-  appName: "BunSCP",           // window title, bundle name, app-data folder
-  identifier: "es.teknes.bunscp",
+  appName: "miniSCP",          // window title, bundle name, app-data folder
+  identifier: "es.teknes.miniscp",
+  legacyNames: ["BunSCP"],     // previous names; their data dirs migrate on boot
   version: "0.1.0",
   icon: "assets/icon.iconset",
 } as const;
@@ -120,14 +121,14 @@ To change the icon: edit `assets/logo.svg` (app icon) and
 tray template image, and the tray progress frames from the SVGs
 (`@resvg/resvg-js`, dev-only dependency).
 
-> Renaming `appName` changes the app-data directory, so existing saved
-> connections won't be found under the new name — copy `connections.json` across
-> if you need them.
+> Renaming `appName` changes the app-data directory. Add the old name to
+> `legacyNames` and the app moves the previous folder (connections, settings,
+> edit temp files) into place on the next boot.
 
 ## Where connections are stored
 
 Saved connections live in a plain JSON file in the OS app-data directory
-(macOS: `~/Library/Application Support/BunSCP/connections.json`), written with
+(macOS: `~/Library/Application Support/miniSCP/connections.json`), written with
 `0600` permissions.
 
 > ⚠️ **Passwords are stored in plaintext** in this file (a deliberate v1
@@ -148,7 +149,7 @@ Saved connections live in a plain JSON file in the OS app-data directory
 ## Same-file protection
 
 Copying a file or folder onto itself would truncate it to zero bytes (the
-destination is opened for writing before the source is read). BunSCP blocks
+destination is opened for writing before the source is read). miniSCP blocks
 this at several layers:
 
 - **Same session / same host**: every connection carries a filesystem identity

package.json

@@ -1,5 +1,5 @@
 {
-	"name": "bunscp",
+	"name": "miniscp",
 	"version": "0.1.0",
 	"private": true,
 	"type": "module",

src/bun/index.ts

@@ -7,6 +7,7 @@ import { SessionRegistry } from "./fs/registry";
 import { applyApplicationMenu } from "./menu";
 import { createAppRPC } from "./rpc-handlers";
 import { ConnectionStore } from "./store/connections";
+import { migrateLegacyDataDir } from "./store/paths";
 import { SettingsStore } from "./store/settings";
 import { AppTray } from "./tray";
 import { TransferEngine } from "./transfers/engine";
@@ -31,6 +32,9 @@ async function getMainViewUrl(): Promise<string> {
 	}
 }
 
+// after a rebrand, adopt the previous name's data dir before stores read it
+migrateLegacyDataDir();
+
 const registry = new SessionRegistry();
 const engine = new TransferEngine(registry);
 const store = new ConnectionStore();
@@ -62,7 +66,7 @@ const win = new BrowserWindow({
 		? { titleBarStyle: "hiddenInset" as const, trafficLightOffset: { x: 12, y: 13 } }
 		: {}),
 	// lets the UI pick the fused layout before first paint
-	preload: `window.__BUNSCP_PLATFORM=${JSON.stringify(process.platform)};`,
+	preload: `window.__APP_PLATFORM=${JSON.stringify(process.platform)};`,
 	rpc,
 });
 

src/bun/store/paths.ts

@@ -1,18 +1,35 @@
+import fs from "node:fs";
 import os from "node:os";
 import path from "node:path";
 import { BRANDING } from "../../shared/branding";
 
-export function appDataDir(): string {
+function dirFor(appName: string): string {
 	const home = os.homedir();
 	switch (process.platform) {
 		case "darwin":
-			return path.join(home, "Library", "Application Support", BRANDING.appName);
+			return path.join(home, "Library", "Application Support", appName);
 		case "win32":
-			return path.join(
-				process.env.APPDATA ?? path.join(home, "AppData", "Roaming"),
-				BRANDING.appName,
-			);
+			return path.join(process.env.APPDATA ?? path.join(home, "AppData", "Roaming"), appName);
 		default:
-			return path.join(process.env.XDG_CONFIG_HOME ?? path.join(home, ".config"), BRANDING.appName);
+			return path.join(process.env.XDG_CONFIG_HOME ?? path.join(home, ".config"), appName);
+	}
+}
+
+export function appDataDir(): string {
+	return dirFor(BRANDING.appName);
+}
+
+/** One-time move of a previous name's data dir (connections, settings, edits)
+ *  after a rebrand. Runs at boot, before anything touches the stores. */
+export function migrateLegacyDataDir(): void {
+	const current = appDataDir();
+	if (fs.existsSync(current)) return;
+	for (const legacy of BRANDING.legacyNames) {
+		const old = dirFor(legacy);
+		if (!fs.existsSync(old)) continue;
+		fs.mkdirSync(path.dirname(current), { recursive: true });
+		fs.renameSync(old, current);
+		console.log(`[store] migrated data dir ${legacy} -> ${BRANDING.appName}`);
+		return;
 	}
 }

src/bun/transfers/engine.ts

@@ -1,11 +1,14 @@
 import { pipeline } from "node:stream/promises";
 import type { Readable } from "node:stream";
+import { BRANDING } from "../../shared/branding";
 import type { EntryType, TransferSnapshot, TransferState } from "../../shared/types";
 import type { FileSystemProvider } from "../fs/provider";
 import type { SessionRegistry } from "../fs/registry";
 import { walkTree } from "./walk";
 
 const PROGRESS_INTERVAL_MS = 100;
+// same-fs probe temp files stay attributable to the app that wrote them
+const PROBE_PREFIX = `.${BRANDING.appName.toLowerCase()}-probe-`;
 // workers per job; the shared slot budget is the real limit
 const MAX_WORKERS_PER_JOB = 8;
 
@@ -359,7 +362,8 @@ export class TransferEngine {
 		dir: string,
 	): Promise<boolean> {
 		const token = crypto.randomUUID();
-		const probePath = dst.join(dir, `.bunscp-probe-${token.slice(0, 8)}`);
+		const probeName = `${PROBE_PREFIX}${token.slice(0, 8)}`;
+		const probePath = dst.join(dir, probeName);
 		try {
 			await new Promise<void>((resolve, reject) => {
 				const stream = dst.createWriteStream(probePath);
@@ -368,7 +372,7 @@ export class TransferEngine {
 			});
 			try {
 				const chunks: Buffer[] = [];
-				for await (const chunk of src.createReadStream(src.join(dir, `.bunscp-probe-${token.slice(0, 8)}`))) {
+				for await (const chunk of src.createReadStream(src.join(dir, probeName))) {
 					chunks.push(typeof chunk === "string" ? Buffer.from(chunk) : chunk);
 				}
 				const seen = Buffer.concat(chunks).toString("utf8") === token;

src/shared/branding.ts

@@ -1,8 +1,11 @@
 // The single place to rebrand the app. Everything (window title, bundle name,
 // app-data directory, UI header, icon) reads from here.
 export const BRANDING = {
-	appName: "BunSCP",
-	identifier: "es.teknes.bunscp",
+	appName: "miniSCP",
+	identifier: "es.teknes.miniscp",
+	// Previous app names: their app-data folders are migrated on boot
+	// (see migrateLegacyDataDir in src/bun/store/paths.ts).
+	legacyNames: ["BunSCP"],
 	version: "0.1.0",
 	// macOS build converts this .iconset folder into AppIcon.icns.
 	// Regenerate from assets/icon.png with scripts/gen-iconset.sh.

ui/src/app/platform.ts

@@ -1,11 +1,12 @@
 // Injected by the bun process via BrowserWindow preload before any page script.
+// Brand-neutral name so rebrands never touch this file.
 declare global {
   interface Window {
-    __BUNSCP_PLATFORM?: string;
+    __APP_PLATFORM?: string;
   }
 }
 
-export const PLATFORM = typeof window !== 'undefined' ? (window.__BUNSCP_PLATFORM ?? '') : '';
+export const PLATFORM = typeof window !== 'undefined' ? (window.__APP_PLATFORM ?? '') : '';
 
 /** True when the window uses macOS hiddenInset chrome (tab bar fused with titlebar). */
 export const IS_MAC_CHROME = PLATFORM === 'darwin';