systemd integration: Add systemd user service file and upstart override.

data/CMakeLists.txt

@@ -6,6 +6,40 @@ find_package (GSettings)
 
 add_schema ("org.ayatana.indicator.datetime.gschema.xml")
 
+##
+##  Systemd Unit File
+##
+
+pkg_check_modules(SYSTEMD systemd)
+if (${SYSTEMD_FOUND})
+
+    pkg_get_variable(SYSTEMD_USER_DIR systemd systemduserunitdir)
+    message (STATUS "${SYSTEMD_USER_DIR} is the systemd user unit file install dir")
+
+    set (SYSTEMD_USER_NAME "${CMAKE_PROJECT_NAME}.service")
+    set (SYSTEMD_USER_FILE "${CMAKE_CURRENT_BINARY_DIR}/${SYSTEMD_USER_NAME}")
+    set (SYSTEMD_USER_FILE_IN "${CMAKE_CURRENT_SOURCE_DIR}/${SYSTEMD_USER_NAME}.in")
+
+    # build it
+    set (pkglibexecdir "${CMAKE_INSTALL_FULL_PKGLIBEXECDIR}")
+    configure_file ("${SYSTEMD_USER_FILE_IN}" "${SYSTEMD_USER_FILE}")
+
+    # install it
+    install (FILES "${SYSTEMD_USER_FILE}"
+             DESTINATION "${SYSTEMD_USER_DIR}")
+
+    ##
+    ##  Upstart systemd override Job File
+    ##
+
+    set (UPSTART_SYSTEMD_OVERRIDE_DIR "${CMAKE_INSTALL_FULL_DATADIR}/upstart/systemd-session/upstart")
+    message (STATUS "${UPSTART_SYSTEMD_OVERRIDE_DIR} is the Upstart override Job File for systemd dir")
+
+    install (FILES "${CMAKE_CURRENT_SOURCE_DIR}/${CMAKE_PROJECT_NAME}.override"
+             DESTINATION "${UPSTART_SYSTEMD_OVERRIDE_DIR}")
+
+endif()
+
 ##
 ##  Upstart Job File
 ##

data/ayatana-indicator-datetime.override

@@ -0,0 +1 @@
+manual

data/ayatana-indicator-datetime.service.in

@@ -0,0 +1,8 @@
+[Unit]
+Description=Ayatana Indicator Session Service
+PartOf=graphical-session.target
+After=ayatana-indicators-pre.target
+
+[Service]
+ExecStart=@pkglibexecdir@/ayatana-indicator-session-service
+Restart=on-failure