feat: WIP s6-overlay and friends

containerfiles/desktop-kdeplasma-runner.Containerfile

@@ -0,0 +1,39 @@
+# Container build arguments #
+ARG RUNNER_COMMON_IMAGE=runner-common:latest
+
+#*********************#
+# Final Runtime Stage #
+#*********************#
+FROM ${RUNNER_COMMON_IMAGE}
+
+### FLAVOR/VARIANT CONFIGURATION ###
+## KDE Plasma Desktop ##
+RUN --mount=type=cache,target=/var/cache/pacman/pkg \
+    pacman -S --noconfirm --needed plasma-desktop plasma-wayland-protocols kscreen konsole && \
+    # Cleanup
+    paccache -rk1 && \
+    rm -rf /usr/share/{info,man,doc}/*
+
+## Custom wrapper launch script
+COPY <<-'EOT' /tmp/nestri/plasmadesktop-launcher
+#!/bin/bash
+set -euo pipefail
+
+mkdir -p /tmp/nestri
+sudo -E chown -R "${NESTRI_USER}:${NESTRI_USER}" /tmp/nestri
+cat <<EOF > /tmp/nestri/kwin_wayland_wrapper
+#!/bin/sh
+/usr/bin/kwin_wayland_wrapper --no-lockscreen --width $WIDTH --height $HEIGHT --xwayland \$@
+EOF
+chmod a+x /tmp/nestri/kwin_wayland_wrapper
+export PATH=/tmp/nestri/:$PATH
+
+dbus-launch startplasma-wayland
+
+rm /tmp/nestri/kwin_wayland_wrapper
+EOT
+RUN chmod +x /tmp/nestri/plasmadesktop-launcher
+
+## FLAVOR/VARIANT LAUNCH COMMAND ##
+ENV NESTRI_LAUNCH_COMPOSITOR="/tmp/nestri/plasmadesktop-launcher"
+### END OF FLAVOR/VARIANT CONFIGURATION ###