Copy input-sources from DConf to installed system

Right now, a users input source configuration gets set up in the live
environment and then gets lost.

This commit adds some code to put it in the installed system in
a system dconf database so that new users will pick it up.

pyanaconda/modules/payloads/payload/live_image/installation.py

@@ -21,12 +21,13 @@
 import stat
 import requests
 import shutil
+import subprocess
 import blivet.util
 
 from pyanaconda.anaconda_loggers import get_module_logger
 from pyanaconda.core.constants import NETWORK_CONNECTION_TIMEOUT
 from pyanaconda.core.i18n import _
-from pyanaconda.core.util import execWithRedirect, requests_session
+from pyanaconda.core.util import execWithRedirect, startProgram, requests_session
 from pyanaconda.core.path import join_paths
 from pyanaconda.core.string import lower_ascii
 from pyanaconda.modules.common.structures.live_image import LiveImageConfigurationData
@@ -504,3 +505,56 @@ def run(self):
             log.debug(f"Copying {path} to {destination_path}")
             if os.path.exists(path):
                 shutil.copy2(path, destination_path)
+
+class CopyTransientDConfInputSourcesTask(Task):
+    """Task to copy transient input source dconf data from live user to installed system"""
+
+    def __init__(self, sysroot):
+        """Create a new task."""
+        super().__init__()
+        self._sysroot = sysroot
+        self._paths = ['/org/gnome/desktop/input-sources/']
+        self._uid = int(os.environ.get('PKEXEC_UID') or 0)
+        self._dconf_dump_file = "/etc/dconf/db/distro.d/10-installer"
+
+    @property
+    def name(self):
+        """Name of the task."""
+        return "Export live user DConf input source config to installed system"""
+
+    def run(self):
+        """Run the task."""
+        destination_path = os.path.join(self._sysroot, self._dconf_dump_file.lstrip('/'))
+        destination_dir = os.path.dirname(destination_path)
+        os.makedirs(destination_dir, exist_ok=True)
+
+        output_lines = []
+        for path in self._paths:
+            log.debug(f"Exporting DConf settings from uid {self._uid} under {path}")
+            process = startProgram(["dconf", "dump", path], stderr=subprocess.PIPE, env_prune=["USER", "LOGNAME", "HOME"], user=self._uid)
+            stdout, stderr = process.communicate()
+
+            if process.returncode != 0:
+                log.debug(f"dconf dump {path} failed: {stderr.decode('utf-8')}")
+                continue
+
+            lines = stdout.decode('utf-8').split('\n')
+
+            # The group is relative to the path passed, so ends up always
+            # being [/]. rewrite it to [org/gnome/desktop/input-sources] or
+            # whatever
+            if len(lines) > 1:
+                lines[0] = f"[{path.lstrip('/').rstrip('/')}]"
+                output_lines += lines
+
+        if len(output_lines) > 1:
+            log.debug(f"Writing exported settings to {destination_path}")
+            with open(destination_path, 'w') as file:
+                file.write('\n'.join(output_lines))
+            log.debug(f"Running dconf update on installed system")
+            process = startProgram(["dconf", "update"], stderr=subprocess.PIPE, root=self._sysroot)
+
+            stdout, stderr = process.communicate()
+
+            if process.returncode != 0:
+                log.debug(f"dconf update failed: {stderr.decode('utf-8')}")

pyanaconda/modules/payloads/payload/live_os/live_os.py

@@ -20,7 +20,7 @@
 from pyanaconda.core.configuration.anaconda import conf
 from pyanaconda.modules.common.errors.payload import IncompatibleSourceError
 from pyanaconda.modules.payloads.constants import SourceType, PayloadType
-from pyanaconda.modules.payloads.payload.live_image.installation import InstallFromImageTask, CopyTransientGnomeInitialSetupState
+from pyanaconda.modules.payloads.payload.live_image.installation import InstallFromImageTask, CopyTransientGnomeInitialSetupState, CopyTransientDConfInputSourcesTask
 from pyanaconda.modules.payloads.payload.live_os.utils import get_kernel_version_list
 from pyanaconda.modules.payloads.payload.payload_base import PayloadBase
 from pyanaconda.modules.payloads.payload.live_os.live_os_interface import LiveOSInterface
@@ -83,6 +83,10 @@ def install_with_tasks(self):
             sysroot=conf.target.system_root,
         )]
 
+        tasks += [CopyTransientDConfInputSourcesTask(
+            sysroot=conf.target.system_root,
+        )]
+
         return tasks
 
     def _update_kernel_version_list(self, image_source):