Customises WSL system_setup Help/About message.

system_setup/client/client.py

@@ -14,12 +14,39 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import logging
+import os
 import sys
 
+from subiquitycore.lsb_release import lsb_release
 from subiquity.client.client import SubiquityClient
 
 log = logging.getLogger('system_setup.client.client')
 
+ABOUT_UBUNTU_WSL = _("""
+Welcome to the Ubuntu WSL Installer!
+
+A full Ubuntu environment, deeply integrated with Windows,
+for Linux application development and execution.
+Optimised for cloud, web, data science, IOT and fun!
+
+The installer will guide you through installing Ubuntu WSL
+{release} LTS.
+
+The installer only requires the up and down arrow keys, space (or
+return) and the occasional bit of typing.
+
+This is version {snap_version} of the installer.
+""")
+
+
+def _about_msg(msg, dry_run):
+    info = lsb_release(dry_run=dry_run)
+    info.update({
+        'snap_version': os.environ.get("SNAP_VERSION", "SNAP_VERSION"),
+        'snap_revision': os.environ.get("SNAP_REVISION", "SNAP_REVISION"),
+        })
+    return msg.format(**info)
+
 
 class SystemSetupClient(SubiquityClient):
 
@@ -46,3 +73,8 @@ class SystemSetupClient(SubiquityClient):
             "Summary",
         ]
     }
+
+    def __init__(self, opts):
+        super().__init__(opts)
+        self.help_menu.about_message = \
+            _about_msg(ABOUT_UBUNTU_WSL, self.opts.dry_run)

system_setup/models/system_setup.py

@@ -58,6 +58,7 @@ class SystemSetupModel(SubiquityModel):
         self.userdata = {}
         self.locale = LocaleModel(self.chroot_prefix)
         self.identity = IdentityModel()
+        self.network = None
         self.wslconfbase = WSLConfigurationBaseModel()
         self.wslconfadvanced = WSLConfigurationAdvancedModel()