Add 'guix-daemon.service' file for systemd.

* etc/guix-daemon.service.in: New file, provided by Ricardo Wurmus.
* daemon.am (CLEANFILES): Add etc/guix-daemon.service.
  (systemdservicedir, nodist_systemdservice_DATA): New variables.
  (EXTRA_DIST): Add etc/guix-daemon.service.in.
* doc/guix.texi (Binary Installation, Build Environment Setup): Mention
  'guix-daemon.service'.

1 files changed, 15 insertions, 0 deletions

diff --git a/etc/guix-daemon.service.in b/etc/guix-daemon.service.in
new file mode 100644
index 00000000000..28ef0009205
--- /dev/null
+++ b/etc/guix-daemon.service.in
@@ -0,0 +1,15 @@
+# This is a "service unit file" for the systemd init system to launch
+# 'guix-daemon'.  Drop it in /etc/systemd/system or similar to have
+# 'guix-daemon' automatically started.
+
+[Unit]
+Description=Build daemon for GNU Guix
+
+[Service]
+ExecStart=@bindir@/guix-daemon --build-users-group=guixbuild
+RemainAfterExit=yes
+StandardOutput=syslog
+StandardError=syslog
+
+[Install]
+WantedBy=multi-user.target