Command installer should use known channel names

src/command-installer.js

@@ -27,22 +27,35 @@ class CommandInstaller {
       }, () => {})
     }
 
-    this.installAtomCommand(true, error => {
+    this.installAtomCommand(true, (error, atomCommandName) => {
       if (error) return showErrorDialog(error)
-      this.installApmCommand(true, error => {
+      this.installApmCommand(true, (error, apmCommandName) => {
         if (error) return showErrorDialog(error)
         this.applicationDelegate.confirm({
           message: 'Commands installed.',
-          detail: 'The shell commands `atom` and `apm` are installed.'
+          detail: `The shell commands '${atomCommandName}' and '${apmCommandName}' are installed.`
         }, () => {})
       })
     })
   }
 
+  getCommandNameForChannel (commandName) {
+    switch (atom.getReleaseChannel()) {
+      case 'beta':
+        return `${commandName}-beta`
+      case 'nightly':
+        return `${commandName}-nightly`
+      case 'dev':
+        return `${commandName}-dev`
+      default:
+        return commandName
+    }
+  }
+
   installAtomCommand (askForPrivilege, callback) {
     this.installCommand(
       path.join(this.getResourcesDirectory(), 'app', 'atom.sh'),
-      this.appVersion.includes('beta') ? 'atom-beta' : 'atom',
+      this.getCommandNameForChannel('atom'),
       askForPrivilege,
       callback
     )
@@ -51,7 +64,7 @@ class CommandInstaller {
   installApmCommand (askForPrivilege, callback) {
     this.installCommand(
       path.join(this.getResourcesDirectory(), 'app', 'apm', 'node_modules', '.bin', 'apm'),
-      this.appVersion.includes('beta') ? 'apm-beta' : 'apm',
+      this.getCommandNameForChannel('apm'),
       askForPrivilege,
       callback
     )
@@ -64,11 +77,11 @@ class CommandInstaller {
 
     fs.readlink(destinationPath, (error, realpath) => {
       if (error && error.code !== 'ENOENT') return callback(error)
-      if (realpath === commandPath) return callback()
+      if (realpath === commandPath) return callback(null, commandName)
       this.createSymlink(fs, commandPath, destinationPath, error => {
         if (error && error.code === 'EACCES' && askForPrivilege) {
           const fsAdmin = require('fs-admin')
-          this.createSymlink(fsAdmin, commandPath, destinationPath, callback)
+          this.createSymlink(fsAdmin, commandPath, destinationPath, (error) => { callback(error, commandName) })
         } else {
           callback(error)
         }