Alternative environment variables for compositor

droid-hal configuration for hammerhead is broken and inverts Y.
As a workaround we provide our configuration.

packaging/plasma-phone-components.spec

@@ -67,7 +67,24 @@ rm -rf %{buildroot}
 
 # >> install post
 
-# File with environment variables, used by systemd units
+# File with environment variables, used by compositor systemd unit
+mkdir -p %{buildroot}%{_sharedstatedir}/environment/greenisland
+cat > %{buildroot}%{_sharedstatedir}/environment/greenisland/greenisland.conf <<EOF
+# From hammerhead configuration
+QT_QPA_PLATFORM=hwcomposer
+EGL_PLATFORM=hwcomposer
+QT_QPA_EGLFS_DEPTH=32
+QT_QPA_EGLFS_HIDECURSOR=1
+LIPSTICK_OPTIONS=-plugin evdevtouch:/dev/input/event1 -plugin evdevkeyboard:keymap=/usr/share/qt5/keymaps/droid.qmap
+
+# This one was set to 1 in hammerhead configuration,
+# but it's just wrong
+QT_COMPOSITOR_NEGATE_INVERTED_Y=0
+
+KSCREEN_BACKEND=QScreen
+EOF
+
+# File with environment variables, used by shell systemd unit
 mkdir -p %{buildroot}%{_sharedstatedir}/environment/plasma-phone
 cat > %{buildroot}%{_sharedstatedir}/environment/plasma-phone/plasma-phone.conf <<EOF
 LIBEXEC_PATH="%{_libexecdir}:%{_libdir}/libexec:%{_kf5_libexecdir}"
@@ -115,6 +132,7 @@ done
 %{_kf5_sharedir}/plasma/*
 %{_kf5_sharedir}/wallpapers/*
 %{_kf5_servicesdir}/*.desktop
+%{_sharedstatedir}/environment/greenisland/*
 %{_sharedstatedir}/environment/plasma-phone/*
 %{_libdir}/systemd/user/*
 %{_libdir}/systemd/user/user-session.target.wants/*

packaging/plasma-phone-components.yaml

@@ -46,6 +46,7 @@ Files:
     - "%{_kf5_sharedir}/plasma/*"
     - "%{_kf5_sharedir}/wallpapers/*"
     - "%{_kf5_servicesdir}/*.desktop"
+    - "%{_sharedstatedir}/environment/greenisland/*"
     - "%{_sharedstatedir}/environment/plasma-phone/*"
     - "%{_libdir}/systemd/user/*"
     - "%{_libdir}/systemd/user/user-session.target.wants/*"

services/plasma-phone-compositor.service

@@ -11,7 +11,7 @@ After=pre-user-session.target
 
 [Service]
 Type=notify
-EnvironmentFile=-/var/lib/environment/compositor/*.conf
+EnvironmentFile=-/var/lib/environment/greenisland/*.conf
 ExecStart=/usr/bin/greenisland $LIPSTICK_OPTIONS -p org.kde.satellite.compositor.phone
 Restart=always