feat(sddm): add mount unit for installing sddm themes in Discover (#1944

)

Co-authored-by: m2 <[email protected]>

build_files/base/07-base-image-changes.sh

@@ -36,6 +36,7 @@ if [[ "${BASE_IMAGE_NAME}" = "kinoite" ]]; then
     rm -f /etc/profile.d/gnome-ssh-askpass.{csh,sh} # This shouldn't be pulled in
     rm -f /usr/share/kglobalaccel/org.kde.konsole.desktop
     systemctl enable kde-sysmonitor-workaround.service
+    systemctl enable usr-share-sddm-themes.mount
 
     # Get Default Font since font fallback doesn't work
     curl --retry 3 --output-dir /tmp -LO https://github.com/ryanoasis/nerd-fonts/releases/download/v3.2.1/FiraCode.zip

system_files/kinoite/usr/lib/systemd/system/usr-share-sddm-themes.mount

@@ -0,0 +1,14 @@
+# Workaround to allow KDE Discover to install sddm themes
+
+[Unit]
+Description=KDE writable sddm workaround
+RequiresMountsFor=/usr/share/sddm/themes /var/sddm_themes/themes /var/sddm_themes/themes.work
+
+[Mount]
+Type=overlay
+What=overlay
+Where=/usr/share/sddm/themes
+Options=lowerdir=/usr/share/sddm/themes,upperdir=/var/sddm_themes/themes,workdir=/var/sddm_themes/themes.work
+
+[Install]
+WantedBy=multi-user.target

system_files/kinoite/usr/lib/tmpfiles.d/usr-share-ssdm-themes.conf

@@ -0,0 +1,2 @@
+d /var/sddm_themes/themes 0750 - - -
+d /var/sddm_themes/themes.work 0750 - - -