remove first-setup user after configuring the system

data/meson.build

@@ -58,4 +58,14 @@ if desktop_utils.found()
   )
 endif
 
+install_data(
+  'remove-first-setup-user.service',
+  install_dir: join_paths(get_option('prefix'), 'lib', 'systemd', 'system')
+)
+
+install_data(
+  'remove-first-setup-user',
+  install_dir: get_option('libexecdir')
+)
+
 subdir('icons')

data/remove-first-setup-user

@@ -0,0 +1,17 @@
+#!/bin/bash
+USERS_IN_FIRST_SETUP_GROUP=$(getent group "vanilla-first-setup" | awk -F: '{print $4}' | tr ',' ' ')
+
+for USER in $USER_LIST; do
+    if id "$USER" &>/dev/null; then
+        echo "Deleting first-setup user: $USER"
+        userdel -r "$USER"
+        if ! [ "$?" == 0 ]; then
+            exit 1
+        fi
+    else
+        echo "User $USER does not exist."
+    fi
+done
+
+rm /etc/systemd/system/multi-user.target.wants/remove-first-setup-user.service
+exit 0

data/remove-first-setup-user.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=Remove the first-setup user from the system
+
+[Service]
+ExecStart=/usr/libexec/remove-first-setup-user
+Type=simple
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target

vanilla_first_setup/core/backend.py

@@ -61,6 +61,9 @@ def disable_lockscreen():
 def setup_flatpak_remote():
     return run_script("setup-flatpak-remote", [])
 
+def remove_first_setup_user():
+    return run_script("remove-first-setup-user", [], root=True)
+
 def _setup_system():
     return run_script("setup-system", [])
 

vanilla_first_setup/scripts/meson.build

@@ -16,6 +16,7 @@ sources = [
   'open-accessibility-settings',
   'setup-system',
   'user',
+  'remove-first-setup-user',
 ]
 
 install_data(sources, install_dir: scriptsdir)

vanilla_first_setup/scripts/remove-first-setup-user

@@ -0,0 +1,13 @@
+#!/bin/bash
+if ! [ -z "$1" ]; then
+    echo "usage:"
+    echo "remove-first-setup-user"
+    exit 5
+fi
+
+if ! [ "$UID" == "0" ]; then
+    echo "this script must be run with super user privileges"
+    exit 6
+fi
+
+systemctl enable remove-first-setup-user.service

vanilla_first_setup/views/logout.py

@@ -41,6 +41,7 @@ def __init__(
         self.btn_login.connect("clicked", self.__on_login_clicked)
 
     def set_page_active(self):
+        backend.remove_first_setup_user()
         has_errors = len(backend.errors) > 0
         self.btn_logs.set_visible(has_errors)
         self.btn_login.grab_focus()