fix: discover non-root username at runtime

Useful when Dom0 has the non-default username, less useful for DomUs.

Fixes: https://github.com/ben-grande/qusal/issues/43

salt/dom0/dotfiles.sls

@@ -6,15 +6,17 @@ SPDX-License-Identifier: AGPL-3.0-or-later
 
 {% if grains['nodename'] == 'dom0' -%}
 
+{%- import slsdotpath ~ "/gui-user.jinja" as gui_user -%}
+
 include:
   - dotfiles.copy-all
 
 "{{ slsdotpath }}-xprofile-sourcer":
   file.managed:
-    - name: /home/user/.config/autostart/xprofile.desktop
+    - name: {{ gui_user.gui_user_home }}/.config/autostart/xprofile.desktop
     - source: salt://{{ slsdotpath }}/files/autostart/xprofile.desktop
-    - user: user
-    - group: user
+    - user: {{ gui_user.gui_user }}
+    - group: {{ gui_user.gui_user }}
     - mode: '0644'
     - makedirs: True
 

salt/dom0/files/autostart/xprofile.desktop

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2023 Benjamin Grande M. S. <ben.grande.b@gmail.com>
+# SPDX-FileCopyrightText: 2023 - 2024 Benjamin Grande M. S. <ben.grande.b@gmail.com>
 #
 # SPDX-License-Identifier: AGPL-3.0-or-later
 
@@ -6,7 +6,7 @@
 Name=Xprofile sourcer
 Comment=Source User's Xprofile
 Type=Application
-Exec=/home/user/.config/x11/xprofile
+Exec=sh -c "exec ${HOME}/.config/x11/xprofile"
 Terminal=false
 StartupNotify=false
 Categories=System;

salt/dom0/gui-user.jinja

@@ -0,0 +1,9 @@
+{#
+SPDX-FileCopyrightText: 2024 Benjamin Grande M. S. <ben.grande.b@gmail.com>
+
+SPDX-License-Identifier: AGPL-3.0-or-later
+#}
+
+{% set gui_user = salt['cmd.shell']("getent group qubes | awk -F '[:,]' '{print $4}'") -%}
+{% set gui_user_id = salt['cmd.shell']("getent passwd " ~ gui_user ~ " | awk -F ':' '{print $3}'") -%}
+{% set gui_user_home = salt['cmd.shell']("getent passwd " ~ gui_user ~ " | awk -F ':' '{print $6}'") -%}

salt/dom0/kde.sls

@@ -50,19 +50,19 @@ include:
 
 "{{ slsdotpath }}-activity-notifier":
   file.managed:
-    - name: /home/user/.config/autostart-scripts/kde-activity-changed-notifier
+    - name: {{ gui_user.gui_user_home }}/.config/autostart-scripts/kde-activity-changed-notifier
     - source: salt://{{ slsdotpath }}/files/autostart-scripts/kde-activity-changed-notifier
-    - user: user
-    - group: user
+    - user: {{ gui_user.gui_user }}
+    - group: {{ gui_user.gui_user }}
     - mode: '0755'
     - makedirs: True
 
 "{{ slsdotpath }}-qubes-kde-win-rules":
   file.managed:
-    - name: /home/user/.local/bin/qubes-kde-win-rules
+    - name: {{ gui_user.gui_user_home }}/.local/bin/qubes-kde-win-rules
     - source: salt://{{ slsdotpath }}/files/bin/qubes-kde-win-rules
-    - user: user
-    - group: user
+    - user: {{ gui_user.gui_user }}
+    - group: {{ gui_user.gui_user }}
     - mode: '0755'
     - makedirs: True
 

salt/dom0/screenshot.sls

@@ -6,6 +6,8 @@ SPDX-License-Identifier: AGPL-3.0-or-later
 
 {% if grains['nodename'] == 'dom0' -%}
 
+{%- import slsdotpath ~ "/gui-user.jinja" as gui_user -%}
+
 include:
   - utils.tools.common.update
 
@@ -31,16 +33,14 @@ include:
       - pkg: "{{ slsdotpath }}-screenshot-installed"
 
 ## TODO: KDE shortcuts
-{% set gui_user = salt['cmd.shell']('groupmems -l -g qubes') -%}
-{% set gui_user_id = salt['cmd.shell']('id -u ' ~ gui_user) -%}
 "{{ slsdotpath }}-screenshot-keyboard-shortcuts-xfce":
   cmd.run:
     - name: |
-        DBUS_SESSION_BUS_ADDRESS="unix:path=/run/user/{{ gui_user_id }}/bus"
+        DBUS_SESSION_BUS_ADDRESS="unix:path=/run/user/{{ gui_user.gui_user_id }}/bus"
         export DBUS_SESSION_BUS_ADDRESS
         xfconf-query -c xfce4-keyboard-shortcuts -p "/commands/custom/Print" -n -s "qvm-screenshot --fullscreen"
         xfconf-query -c xfce4-keyboard-shortcuts -p "/commands/custom/<Alt>Print" -n -s "qvm-screenshot --region"
-    - runas: {{ gui_user }}
+    - runas: {{ gui_user.gui_user }}
     - require:
       - file: "{{ slsdotpath }}-screenshot-script"
 

salt/dotfiles

@@ -1 +1 @@
-Subproject commit 9954972df34f5159d726c0784f7aac9f8e61daa7
+Subproject commit 84bae87dc5da48334f81501e11cf17919ff1504b

salt/utils/macros/sync-appmenus.sls

@@ -27,13 +27,14 @@ Usage:
   qvm.start:
     - name: {{ qube }}
 
-{% set gui_user = salt['cmd.shell']('groupmems -l -g qubes') -%}
+{% import "dom0/gui-user.jinja" as gui_user -%}
+
 "{{ qube }}-sync-appmenus":
   cmd.run:
     - require:
       - qvm: {{ qube }}-start
     - name: qvm-sync-appmenus {{ qube }}
-    - runas: {{ gui_user }}
+    - runas: {{ gui_user.gui_user }}
 
 {% if running == 0 -%}
 "{{ qube }}-shutdown":