[Bug 1853343] Re: Please detect sound and X server in WSL2, too

[Balint Reczey]

** Description changed:

  [Impact]
  
-  * Ubuntu in WSL2 does not detect the PulseAudio or X11 server running
- on Windows. Detecting them is easy and doing so improves the setup
- experience.
+  * Ubuntu in WSL2 does not detect the PulseAudio or X11 server running on Windows. Detecting them is easy and doing so improves the setup experience.
+  * The additional detection logic slowed down the login further, thus a minor speed optimization is also part of the change.
  
  [Test Case] (Run once in WSL1 and once in WSL2)
  
-  * Install and start PulseAudio for Windows ( https://wiki.ubuntu.com/WSL#Enabling_Sound )
-  * Install and start an X11 server for Windows ( https://wiki.ubuntu.com/WSL#Running_Graphical_Applications )
-  * Start the Ubuntu WSL terminal
-  * Make sure pulseaudio is not installed:
-    $ pulseaudio
+  * Install and start PulseAudio for Windows ( https://wiki.ubuntu.com/WSL#Enabling_Sound )
+  * Install and start an X11 server for Windows ( https://wiki.ubuntu.com/WSL#Running_Graphical_Applications )
+  * Start the Ubuntu WSL terminal
+  * Make sure pulseaudio is not installed:
+    $ pulseaudio
  
-    Command 'pulseaudio' not found, but can be installed with:
+    Command 'pulseaudio' not found, but can be installed with:
  
-    apt install pulseaudio
+    apt install pulseaudio
  
-  * Install mpg321 and x11-utils inside Ubuntu and run xeyes and play an MP3 file
-    $ sudo apt install x11-utils mpg321
-    $ xeyes
-    $ mpg321 foo.mp3
+  * Install mpg321 and x11-utils inside Ubuntu and run xeyes and play an MP3 file
+    $ sudo apt install x11-utils mpg321
+    $ xeyes
+    $ mpg321 foo.mp3
  
-  * Install pulseaudio
-    $ sudo apt install pulseaudio
-  * Close all Ubuntu WSL sessions
-  * Start the Ubuntu WSL terminal again
-  * Play an MP3 again, it should still work
+  * Install pulseaudio
+    $ sudo apt install pulseaudio
+  * Close all Ubuntu WSL sessions
+  * Start the Ubuntu WSL terminal again
+  * Play an MP3 again, it should still work
  
  [Regression Potential]
  
-  * Since the detection takes place in setting the profile mistakes in
+  * Since the detection takes place in setting the profile mistakes in
  the implementation may trigger errors show to the users on login.
  Detecting X and PulseAudio may also break in WSL1 with  the changed
  detection logic, but tests include verifying that this still works.

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https://bugs.launchpad.net/bugs/1853343

Title:
  Please detect sound and X server in WSL2, too

Status in wslu package in Ubuntu:
  New

Bug description:
  [Impact]

   * Ubuntu in WSL2 does not detect the PulseAudio or X11 server running on Windows. Detecting them is easy and doing so improves the setup experience.
   * The additional detection logic slowed down the login further, thus a minor speed optimization is also part of the change.

  [Test Case] (Run once in WSL1 and once in WSL2)

   * Install and start PulseAudio for Windows ( https://wiki.ubuntu.com/WSL#Enabling_Sound )
   * Install and start an X11 server for Windows ( https://wiki.ubuntu.com/WSL#Running_Graphical_Applications )
   * Start the Ubuntu WSL terminal
   * Make sure pulseaudio is not installed:
     $ pulseaudio

     Command 'pulseaudio' not found, but can be installed with:

     apt install pulseaudio

   * Install mpg321 and x11-utils inside Ubuntu and run xeyes and play an MP3 file
     $ sudo apt install x11-utils mpg321
     $ xeyes
     $ mpg321 foo.mp3

   * Install pulseaudio
     $ sudo apt install pulseaudio
   * Close all Ubuntu WSL sessions
   * Start the Ubuntu WSL terminal again
   * Play an MP3 again, it should still work

  [Regression Potential]

   * Since the detection takes place in setting the profile mistakes in
  the implementation may trigger errors show to the users on login.
  Detecting X and PulseAudio may also break in WSL1 with  the changed
  detection logic, but tests include verifying that this still works.

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