suggest WSL root path as working directory (#454)

terminus-terminal/src/components/shellSettingsTab.component.pug

@@ -41,9 +41,13 @@ h3.mb-3 Shell
 .form-line
     .header
         .title Working directory
-    input.form-control(
-        type='text',
-        placeholder='Home directory',
-        [(ngModel)]='config.store.terminal.workingDirectory',
-        (ngModelChange)='config.save()',
-    )            
+    .input-group
+        input.form-control(
+            type='text',
+            placeholder='Home directory',
+            [(ngModel)]='config.store.terminal.workingDirectory',
+            (ngModelChange)='config.save()',
+        )            
+        .input-group-btn
+            button.btn.btn-secondary((click)='pickWorkingDirectory()')
+                i.fa.fa-folder-open

terminus-terminal/src/components/shellSettingsTab.component.ts

@@ -1,5 +1,5 @@
 import { Component, Inject } from '@angular/core'
-import { ConfigService } from 'terminus-core'
+import { ConfigService, ElectronService } from 'terminus-core'
 import { IShell, ShellProvider, SessionPersistenceProvider } from '../api'
 
 @Component({
@@ -11,6 +11,7 @@ export class ShellSettingsTabComponent {
 
     constructor (
         public config: ConfigService,
+        private electron: ElectronService,
         @Inject(ShellProvider) private shellProviders: ShellProvider[],
         @Inject(SessionPersistenceProvider) persistenceProviders: SessionPersistenceProvider[],
     ) {
@@ -20,4 +21,16 @@ export class ShellSettingsTabComponent {
     async ngOnInit () {
         this.shells = (await Promise.all(this.config.enabledServices(this.shellProviders).map(x => x.provide()))).reduce((a, b) => a.concat(b))
     }
+
+    pickWorkingDirectory () {
+        let shell = this.shells.find(x => x.id === this.config.store.terminal.shell)
+        console.log(shell)
+        let paths = this.electron.dialog.showOpenDialog({
+            defaultPath: shell.fsBase,
+            properties: ['openDirectory', 'showHiddenFiles'],
+        })
+        if (paths) {
+            this.config.store.terminal.workingDirectory = paths[0]
+        }
+    }
 }

terminus-terminal/src/shells/wsl.ts

@@ -57,7 +57,7 @@ export class WSLShellProvider extends ShellProvider {
                 name: `WSL / ${name}`,
                 command: wslPath,
                 args: ['-d', name],
-                fsBase: (child as any).$values.basepath,
+                fsBase: (child as any).$values.basepath + '\\rootfs',
                 env: {
                     TERM: 'xterm-color',
                     COLORTERM: 'truecolor',