Add systemd D-Bus activation

Author: iinuwa

dbus/xyz.iinuwa.credentialsd.Credentials.service.in

@@ -1,3 +1,4 @@
 [D-BUS Service]
 Name=xyz.iinuwa.credentialsd.Credentials
 Exec=@DAEMON_EXECUTABLE@
+SystemdService=xyz.iinuwa.credentialsd.Credentials.service

dbus/xyz.iinuwa.credentialsd.FlowControl.service.in

@@ -1,3 +1,4 @@
 [D-BUS Service]
 Name=xyz.iinuwa.credentialsd.FlowControl
 Exec=@DAEMON_EXECUTABLE@
+SystemdService=xyz.iinuwa.credentialsd.FlowControl.service

dbus/xyz.iinuwa.credentialsd.UiControl.service.in

@@ -1,3 +1,4 @@
 [D-BUS Service]
 Name=xyz.iinuwa.credentialsd.UiControl
 Exec=@UI_EXECUTABLE@
+SystemdService=xyz.iinuwa.credentialsd.UiControl.service

meson.build

@@ -23,4 +23,5 @@ meson.add_dist_script(
 subdir('credentialsd-common')
 subdir('credentialsd')
 subdir('credentialsd-ui')
-subdir('dbus')
+subdir('dbus')
+subdir('systemd')

systemd/meson.build

@@ -0,0 +1,27 @@
+systemd_config = configuration_data()
+# HACK: Not using libdir option, since on some distros (Fedora), libdir is `lib64`, but systemd is always in `lib`
+# If you know of a better way to do this, let me know
+systemd_user_service_dir = prefix / 'lib' / 'systemd' / 'user'
+systemd_config.set('DAEMON_EXECUTABLE', bindir / backend_executable_name)
+systemd_config.set(
+  'UI_EXECUTABLE',
+  bindir / gui_executable_name,
+)
+configure_file(
+  input: 'xyz.iinuwa.credentialsd.Credentials.service.in',
+  install_dir: systemd_user_service_dir,
+  output: 'xyz.iinuwa.credentialsd.Credentials.service',
+  configuration: systemd_config,
+)
+configure_file(
+  input: 'xyz.iinuwa.credentialsd.FlowControl.service.in',
+  install_dir: systemd_user_service_dir,
+  output: 'xyz.iinuwa.credentialsd.FlowControl.service',
+  configuration: systemd_config,
+)
+configure_file(
+  input: 'xyz.iinuwa.credentialsd.UiControl.service.in',
+  install_dir: systemd_user_service_dir,
+  output: 'xyz.iinuwa.credentialsd.UiControl.service',
+  configuration: systemd_config,
+)

systemd/xyz.iinuwa.credentialsd.Credentials.service.in

@@ -0,0 +1,7 @@
+[Unit]
+Description=Service for creating and storing user credentials
+
+[Service]
+Type=dbus
+BusName=xyz.iinuwa.credentialsd.Credentials
+ExecStart=@DAEMON_EXECUTABLE@

systemd/xyz.iinuwa.credentialsd.FlowControl.service.in

@@ -0,0 +1,7 @@
+[Unit]
+Description=Internal helper service for credentialsd
+
+[Service]
+Type=dbus
+BusName=xyz.iinuwa.credentialsd.FlowControl
+ExecStart=@DAEMON_EXECUTABLE@

systemd/xyz.iinuwa.credentialsd.UiControl.service.in

@@ -0,0 +1,7 @@
+[Unit]
+Description=Internal helper service for credentialsd
+
+[Service]
+Type=dbus
+BusName=xyz.iinuwa.credentialsd.UiControl
+ExecStart=@UI_EXECUTABLE@