From c0c2373ed613e98eda9ba2f278c9837e419bc0ea Mon Sep 17 00:00:00 2001
From: Eugene Pankov <john.pankov@gmail.com>
Date: Wed, 5 Jul 2017 12:49:01 +0200
Subject: [PATCH] hopefully fixed #2

---
 terminus-terminal/src/buttonProvider.ts       | 37 ++----------
 terminus-terminal/src/index.ts                |  2 +
 .../src/services/shells.service.ts            | 58 +++++++++++++++++++
 3 files changed, 65 insertions(+), 32 deletions(-)
 create mode 100644 terminus-terminal/src/services/shells.service.ts

diff --git a/terminus-terminal/src/buttonProvider.ts b/terminus-terminal/src/buttonProvider.ts
index 26f0c6f9..eeec98f9 100644
--- a/terminus-terminal/src/buttonProvider.ts
+++ b/terminus-terminal/src/buttonProvider.ts
@@ -1,10 +1,8 @@
-import * as path from 'path'
-import { exec } from 'mz/child_process'
-import * as fs from 'mz/fs'
 import { Injectable } from '@angular/core'
-import { HotkeysService, ToolbarButtonProvider, IToolbarButton, AppService, ConfigService, ElectronService, HostAppService, Platform } from 'terminus-core'
+import { HotkeysService, ToolbarButtonProvider, IToolbarButton, AppService, ConfigService } from 'terminus-core'
 
 import { SessionsService } from './services/sessions.service'
+import { ShellsService } from './services/shells.service'
 import { TerminalTabComponent } from './components/terminalTab.component'
 
 @Injectable()
@@ -13,8 +11,7 @@ export class ButtonProvider extends ToolbarButtonProvider {
         private app: AppService,
         private sessions: SessionsService,
         private config: ConfigService,
-        private electron: ElectronService,
-        private hostApp: HostAppService,
+        private shells: ShellsService,
         hotkeys: HotkeysService,
     ) {
         super()
@@ -32,35 +29,11 @@ export class ButtonProvider extends ToolbarButtonProvider {
         }
         let command = this.config.store.terminal.shell
         let args = []
-        // TODO move this?
         if (command === '~clink~') {
-            command = 'cmd.exe'
-            args = [
-                '/k',
-                path.join(
-                    path.dirname(this.electron.app.getPath('exe')),
-                    (process.platform === 'darwin') ? '../Resources' : 'resources',
-                    'clink',
-                    `clink_${process.arch}.exe`,
-                ),
-                'inject',
-            ]
+            ({ command, args } = this.shells.getClinkOptions())
         }
         if (command === '~default-shell~') {
-            if (this.hostApp.platform === Platform.Linux) {
-                let line = (await fs.readFile('/etc/passwd', { encoding: 'utf-8' }))
-                    .split('\n').find(x => x.startsWith(process.env.LOGNAME + ':'))
-                if (!line) {
-                    console.warn('Could not detect user shell')
-                    command = '/bin/sh'
-                } else {
-                    command = line.split(':')[6]
-                }
-            }
-            if (this.hostApp.platform === Platform.macOS) {
-                let shellEntry = (await exec(`dscl . -read /Users/${process.env.LOGNAME} UserShell`))[0].toString()
-                command = shellEntry.split(':')[1].trim()
-            }
+            command = await this.shells.getDefaultShell()
         }
         let sessionOptions = await this.sessions.prepareNewSession({ command, args, cwd })
         this.app.openNewTab(
diff --git a/terminus-terminal/src/index.ts b/terminus-terminal/src/index.ts
index 6c0b5241..68e97efa 100644
--- a/terminus-terminal/src/index.ts
+++ b/terminus-terminal/src/index.ts
@@ -11,6 +11,7 @@ import { TerminalSettingsTabComponent } from './components/terminalSettingsTab.c
 import { ColorPickerComponent } from './components/colorPicker.component'
 
 import { SessionsService } from './services/sessions.service'
+import { ShellsService } from './services/shells.service'
 
 import { ScreenPersistenceProvider } from './persistenceProviders'
 import { ButtonProvider } from './buttonProvider'
@@ -31,6 +32,7 @@ import { hterm } from './hterm'
     ],
     providers: [
         SessionsService,
+        ShellsService,
         ScreenPersistenceProvider,
         { provide: ToolbarButtonProvider, useClass: ButtonProvider, multi: true },
         { provide: TabRecoveryProvider, useClass: RecoveryProvider, multi: true },
diff --git a/terminus-terminal/src/services/shells.service.ts b/terminus-terminal/src/services/shells.service.ts
new file mode 100644
index 00000000..d63a7673
--- /dev/null
+++ b/terminus-terminal/src/services/shells.service.ts
@@ -0,0 +1,58 @@
+import * as path from 'path'
+import { exec } from 'mz/child_process'
+import * as fs from 'mz/fs'
+import { Injectable } from '@angular/core'
+import { ElectronService, HostAppService, Platform, Logger, LogService } from 'terminus-core'
+
+@Injectable()
+export class ShellsService {
+    private logger: Logger
+
+    constructor (
+        log: LogService,
+        private electron: ElectronService,
+        private hostApp: HostAppService,
+    ) {
+        this.logger = log.create('shells')
+    }
+
+    getClinkOptions (): { command, args } {
+        return {
+            command: 'cmd.exe',
+            args: [
+                '/k',
+                path.join(
+                    path.dirname(this.electron.app.getPath('exe')),
+                    'resources',
+                    'clink',
+                    `clink_${process.arch}.exe`,
+                ),
+                'inject',
+            ]
+        }
+    }
+
+    async getDefaultShell (): Promise<string> {
+        if (this.hostApp.platform === Platform.macOS) {
+            return this.getDefaultMacOSShell()
+        } else {
+            return this.getDefaultLinuxShell()
+        }
+    }
+
+    async getDefaultMacOSShell (): Promise<string> {
+        let shellEntry = (await exec(`dscl . -read /Users/${process.env.LOGNAME} UserShell`))[0].toString()
+        return shellEntry.split(' ')[1].trim()
+    }
+
+    async getDefaultLinuxShell (): Promise<string> {
+        let line = (await fs.readFile('/etc/passwd', { encoding: 'utf-8' }))
+            .split('\n').find(x => x.startsWith(process.env.LOGNAME + ':'))
+        if (!line) {
+            this.logger.warn('Could not detect user shell')
+            return '/bin/sh'
+        } else {
+            return line.split(':')[6]
+        }
+    }
+}