better installer and portable mode

src/appicon.js

@@ -3,8 +3,6 @@
 const path = require('path')
 const fs = require('fs')
 
-const APP_NAME = 'PLWL'
-
 function findPng() {
   const p = path.resolve(__dirname, '..', 'renderer', 'plwl.png')
   try {
@@ -15,44 +13,12 @@ function findPng() {
   }
 }
 
-function writeIconThemeDirs(png) {
-  try {
-    const sizes = { '16x16': 16, '32x32': 32, '48x48': 48, '256x256': 256 }
-    const home = process.env.HOME
-    if (!home) return
-    const exe = path.join(require('./paths').APP_ROOT, 'plwl')
-    const execPath = fs.existsSync(exe)
-      ? exe
-      : (process.env.PLWL_EXEC || 'plwl')
-    const base = path.join(home, '.local', 'share', 'icons')
-    for (const [dir, size] of Object.entries(sizes)) {
-      const themeDir = path.join(base, 'hicolor', dir, 'apps')
-      fs.mkdirSync(themeDir, { recursive: true })
-      fs.copyFileSync(png, path.join(themeDir, 'plwl.png'))
-    }
-    const desktopDir = path.join(home, '.local', 'share', 'applications')
-    fs.mkdirSync(desktopDir, { recursive: true })
-    const desktop = [
-      '[Desktop Entry]',
-      'Type=Application',
-      `Name=${APP_NAME}`,
-      'Comment=Portable Linux Wine Launcher',
-      `Exec=${execPath}`,
-      `Icon=plwl`,
-      'Terminal=false',
-      'Categories=Game;'
-    ].join('\n')
-    fs.writeFileSync(path.join(desktopDir, 'plwl.desktop'), desktop)
-  } catch {}
-}
-
 function setAppIcon(app) {
   const png = findPng()
   if (!png) return
   try {
     app.setIcon(png)
   } catch {}
-  writeIconThemeDirs(png)
 }
 
 module.exports = { setAppIcon }

src/paths.js

@@ -3,7 +3,7 @@
 const path = require('path')
 const fs = require('fs')
 
-// Packaged builds run from <portable root>/electron/resources/app.asar:
+// Packaged builds run from <portable root>/olcxja.plwl/resources/app.asar:
 // the portable layout (<root>/files) is two levels above the resources dir
 // and files bundled with the release are unpacked next to the asar.
 function computeRoots() {