From 0d3c9018af8aea2b948d8ae1c6469cf909f05e49 Mon Sep 17 00:00:00 2001
From: Brian M <brian.meagher@ixsystems.com>
Date: Wed, 22 Oct 2025 14:19:18 -0700
Subject: [PATCH] debian, scstadmin: Add systemd scst.service

Add systemd service file when packaging for Debian.  Current
systemd will automatically generate one, but this functionality
will be removed in a future version of systemd.
---
 debian/rules                   |  1 +
 debian/scstadmin.install       |  1 +
 scstadmin/Makefile             |  6 ++++++
 scstadmin/systemd/scst.service | 20 ++++++++++++++++++++
 4 files changed, 28 insertions(+)
 create mode 100644 scstadmin/systemd/scst.service

diff --git a/debian/rules b/debian/rules
index 8424310e4..945592b7f 100755
--- a/debian/rules
+++ b/debian/rules
@@ -90,6 +90,7 @@ install:
 	mv "$(DESTDIR)"/usr/man "$(DESTDIR)"/usr/share/man &&		\
 	dh_install &&							\
 	dh_installman &&						\
+	dh_installsystemd --name=scst --no-start &&			\
 	dh_installchangelogs &&						\
 	dh_compress &&							\
 	dh_fixperms &&							\
diff --git a/debian/scstadmin.install b/debian/scstadmin.install
index 00d0fe178..68a385c5c 100644
--- a/debian/scstadmin.install
+++ b/debian/scstadmin.install
@@ -1,4 +1,5 @@
 etc/init.d/scst
+lib/systemd/system/scst.service
 usr/sbin/scstadmin
 usr/share/perl/
 usr/lib/
diff --git a/scstadmin/Makefile b/scstadmin/Makefile
index ae3c4ec1b..a839f16a9 100644
--- a/scstadmin/Makefile
+++ b/scstadmin/Makefile
@@ -110,6 +110,12 @@ install install_vendor:
 	  mkdir -p $(DESTDIR)$(DEFAULTDIR);			\
 	  install -m 755 default/scst $(DESTDIR)$(DEFAULTDIR);	\
 	fi
+	# Install systemd service file
+	if [ -d systemd ]; then						\
+	  install -d $(DESTDIR)/lib/systemd/system;			\
+	  install -m 644 systemd/scst.service				\
+	    $(DESTDIR)/lib/systemd/system/scst.service;			\
+	fi
 	for s in iscsi-scst qla2x00t; do			\
 	  { $(call REMOVE_FN,$$s); } >/dev/null 2>&1;		\
 	done
diff --git a/scstadmin/systemd/scst.service b/scstadmin/systemd/scst.service
new file mode 100644
index 000000000..bb763f2cf
--- /dev/null
+++ b/scstadmin/systemd/scst.service
@@ -0,0 +1,20 @@
+[Unit]
+Description=SCST - A Generic SCSI Target Subsystem
+Documentation=man:scstadmin(1) man:scst.conf(5)
+After=network-online.target local-fs.target
+Wants=network-online.target
+DefaultDependencies=no
+Before=shutdown.target
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+EnvironmentFile=-/etc/default/scst
+ExecStart=/etc/init.d/scst start
+ExecStop=/etc/init.d/scst stop
+ExecReload=/etc/init.d/scst reload
+TimeoutStartSec=5min
+TimeoutStopSec=5min
+
+[Install]
+WantedBy=multi-user.target