feat: multi environnemnt desktop

[180][WIP]

configs/baseline/airootfs/etc/calamares/modules/desktop.conf

@@ -0,0 +1,8 @@
+---
+# Minimal Calamares view module config for desktop selection
+# This tells Calamares to use our QML page from the branding folder.
+module: view
+name: desktop
+qml: "branding/fws/desktop.qml"
+title: "Choix de l'environnement"
+description: "Sélectionne le bureau à installer"

configs/baseline/airootfs/etc/calamares/modules/services-systemd.conf

@@ -12,10 +12,6 @@ units:
     action: "enable"
     mandatory: false
 
-  - name: "lightdm.service"
-    action: "enable"
-    mandatory: true
-
   - name: "sshd.service"
     action: "enable"
     mandatory: false

configs/baseline/airootfs/etc/calamares/modules/shellprocess.conf

@@ -8,14 +8,13 @@ dontChroot: true
 script:
   # Copie le kernel depuis l'ISO vers /boot du système cible
   - 'cp "$(find /run/archiso/bootmnt -name vmlinuz-linux 2>/dev/null | head -1)" "${ROOT}/boot/vmlinuz-linux"'
-
-  # Configure LightDM pour démarrer automatiquement la session XFCE du premier utilisateur créé.
-  - 'FIRST_USER="$(awk -F: ''$$3 >= 1000 && $$1 != "nobody" { print $$1; exit }'' "${ROOT}/etc/passwd")"'
-  - 'if [ -n "$$FIRST_USER" ]; then mkdir -p "${ROOT}/etc/lightdm/lightdm.conf.d"; printf ''[Seat:*]\nautologin-user=%s\nautologin-user-timeout=0\nuser-session=xfce\nautologin-session=xfce\ngreeter-hide-users=true\nallow-guest=false\n'' "$$FIRST_USER" > "${ROOT}/etc/lightdm/lightdm.conf.d/50-fws.conf"; fi'
-  - 'if [ -n "$$FIRST_USER" ] && [ -d "${ROOT}/home/$$FIRST_USER" ]; then printf ''[Desktop]\nSession=xfce\n'' > "${ROOT}/home/$$FIRST_USER/.dmrc"; fi'
+  - 'DESKTOP="$(cat /run/fws-desktop 2>/dev/null || printf xfce)"'
+  - 'if [ -z "$DESKTOP" ]; then DESKTOP="xfce"; fi'
+  - 'if [ ! -f "${ROOT}/usr/local/bin/fws-desktop-init-$DESKTOP" ]; then echo "Script bureau introuvable: $DESKTOP" >&2; exit 1; fi'
+  - 'chroot "${ROOT}" /bin/bash "/usr/local/bin/fws-desktop-init-$DESKTOP"'
 
   # Supprime le drop-in archiso (surcharge HOOKS avec des hooks inexistants post-install)
-  - '-rm -f "${ROOT}/etc/mkinitcpio.conf.d/archiso.conf"'
+  - 'rm -f "${ROOT}/etc/mkinitcpio.conf.d/archiso.conf"'
 
   # Remplace le linux.preset archiso par le preset standard (default + fallback)
   # \x27 = ' et \x22 = " pour éviter les conflits de quotes dans YAML/bash