added possibility to set config file path in environment file

.env

@@ -0,0 +1 @@
+# TABBY_CONFIG_DIRECTORY="PATH_TO_DIRECTORY"

app/lib/config.ts

@@ -1,13 +1,14 @@
 import * as fs from 'fs'
 import * as path from 'path'
 import * as yaml from 'js-yaml'
-import { app } from 'electron'
 import { writeFile } from 'atomically'
 
 
+export const configPath = path.join(process.env.TABBY_CONFIG_DIRECTORY!, 'config.yaml')
+const legacyConfigPath = path.join(process.env.TABBY_CONFIG_DIRECTORY!, '../terminus', 'config.yaml')
+
+
 export function migrateConfig (): void {
-    const configPath = path.join(app.getPath('userData'), 'config.yaml')
-    const legacyConfigPath = path.join(app.getPath('userData'), '../terminus', 'config.yaml')
     if (fs.existsSync(legacyConfigPath) && (
         !fs.existsSync(configPath) ||
         fs.statSync(configPath).mtime < fs.statSync(legacyConfigPath).mtime
@@ -19,16 +20,13 @@ export function migrateConfig (): void {
 export function loadConfig (): any {
     migrateConfig()
 
-    const configPath = path.join(app.getPath('userData'), 'config.yaml')
     if (fs.existsSync(configPath)) {
         return yaml.load(fs.readFileSync(configPath, 'utf8'))
     } else {
         return {}
     }
 }
 
-const configPath = path.join(app.getPath('userData'), 'config.yaml')
-
 export async function saveConfig (content: string): Promise<void> {
     await writeFile(configPath, content, { encoding: 'utf8' })
     await writeFile(configPath + '.backup', content, { encoding: 'utf8' })

app/lib/index.ts

@@ -1,17 +1,21 @@
+import { app, ipcMain, Menu, dialog } from 'electron'
+
+// set defaults of environment variables
+import 'dotenv/config'
+process.env.TABBY_PLUGINS ??= ''
+process.env.TABBY_CONFIG_DIRECTORY ??= app.getPath('userData')
+
+
 import 'v8-compile-cache'
 import './portable'
 import 'source-map-support/register'
 import './sentry'
 import './lru'
-import { app, ipcMain, Menu, dialog } from 'electron'
 import { parseArgs } from './cli'
 import { Application } from './app'
 import electronDebug = require('electron-debug')
 import { loadConfig } from './config'
 
-if (!process.env.TABBY_PLUGINS) {
-    process.env.TABBY_PLUGINS = ''
-}
 
 const argv = parseArgs(process.argv, process.cwd())
 

package.json

@@ -115,5 +115,8 @@
     "i18n:push": "crowdin push"
   },
   "type": "module",
-  "private": true
+  "private": true,
+  "dependencies": {
+    "dotenv": "^16.3.1"
+  }
 }