Update .local/share/chezmoi/system/usr/local/share/run_onchange_after_setup-share-folder, .local/share/chezmoi/system/usr/local/bin/executable_squash-symlink, .local/share/chezmoi/home/dot_local/bin/executable_squash-symlink, .local/share/chezmoi/home/.chezmoiscripts/qubes/run_onchange_before_12-update-dom0, .local/share/chezmoi/home/.chezmoiscripts/qubes/run_onchange_after_11-set-wallpaper

.local/share/chezmoi/home/.chezmoiscripts/qubes/run_onchange_after_11-set-wallpaper

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+ksetwallpaper --file /usr/local/share/wallpapers/Betelgeuse/contents/images/3440x1440.jpg

.local/share/chezmoi/home/.chezmoiscripts/qubes/run_onchange_before_12-update-dom0

@@ -6,6 +6,16 @@ sudo qubesctl --show-output state.sls update.qubes-dom0
 logg info 'Updating dom0 via `qubes-dom0-update`'
 sudo qubes-dom0-update --clean -y
 
+### Install qubes-repo-contrib
+logg info "Installing qubes-repo-contrib"
+sudo qubes-dom0-update -y qubes-repo-contrib
+
+### Install dependencies
+for PACKAGE of latte-dock nautilus nautilus-gtkhash nautilus-search-tool kde-settings-qubes kdeplasma-addons konsole kscreen kvantum plymouth-kcm sssd-kcm sddm-kcm; do
+  logg info "Installing $PACKAGE"
+  sudo qubes-dom0-update -y "$PACKAGE" || true
+done
+
 ### Ensure sys-whonix is running
 logg info 'Ensuring `sys-whonix` is running'
 qvm-start sys-whonix --skip-if-running

.local/share/chezmoi/home/dot_local/bin/executable_squash-symlink

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+set -e
+for link; do
+  test -h "$link" || continue
+  dir=$(dirname "$link")
+  reltarget=$(readlink "$link")
+  case $reltarget in
+    /*) abstarget=$reltarget;;
+    *)  abstarget=$dir/$reltarget;;
+  esac
+  rm -fv "$link"
+  cp -afv "$abstarget" "$link" || {
+    # Restore link on failure
+    rm -rfv "$link"
+    ln -sfv "$reltarget" "$link"
+  }
+done

.local/share/chezmoi/system/usr/local/bin/executable_squash-symlink

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+set -e
+for link; do
+  test -h "$link" || continue
+  dir=$(dirname "$link")
+  reltarget=$(readlink "$link")
+  case $reltarget in
+    /*) abstarget=$reltarget;;
+    *)  abstarget=$dir/$reltarget;;
+  esac
+  rm -fv "$link"
+  cp -afv "$abstarget" "$link" || {
+    # Restore link on failure
+    rm -rfv "$link"
+    ln -sfv "$reltarget" "$link"
+  }
+done

.local/share/chezmoi/system/usr/local/share/run_onchange_after_setup-share-folder

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+logg info 'Ensure /usr/local/share is a directory'
+sudo mkdir -p /usr/local/share
+
+logg info 'Clean up old theme files'
+for ITEM_TO_BE_REMOVED of "/usr/share/backgrounds/images" "/usr/share/backgrounds/f32" "/usr/share/backgrounds/qubes" "/usr/share/wallpapers"; do
+  if [ -d "$ITEM_TO_BE_REMOVED" ] || [ -f "$ITEM_TO_BE_REMOVED" ]; then
+    logg info "Removing $ITEM_TO_BE_REMOVED"
+    sudo rm -rf "$ITEM_TO_BE_REMOVED"
+  fi
+fi
+
+logg info 'Copy /usr/local/src/{{ .theme }}/share to /usr/local/share'
+sudo cp -rf /usr/local/src/{{ .theme }}/share/ /usr/local/share
+
+logg info 'Converting all symlinks to equivalent regular files'
+sudo find /usr/local/src -type l -exec squash-symlink {} +
+
+logg info 'Ensure /boot/grub2/themes is a directory'
+sudo mkdir -p /boot/grub2/themes
+
+logg info 'Copy GRUB themes to /boot/grub2/themes'
+sudo cp -rf /usr/local/share/grub/themes/ /boot/grub2/themes