📦 — Add a make target for Debian packaging

.gitignore

@@ -4,3 +4,4 @@
 /reaction*.sock
 /result
 /wiki
+*.deb

DEBIAN/control

@@ -0,0 +1,9 @@
+Package: reaction
+Version: LAST_TAG
+Architecture: amd64
+Maintainer: ppom <>
+Sections: utils
+Package-Type: deb
+Priority: Optional
+Homepage: https://framagit.org/ppom/reaction
+Description: A daemon that scans program outputs for repeated patterns, and takes action.

DEBIAN/postinst

@@ -0,0 +1,56 @@
+#! /bin/sh
+# postinst script for reaction
+#
+# see: dh_installdeb(1)
+
+set -e
+
+# summary of how this script can be called:
+#        * <postinst> `configure' <most-recently-configured-version>
+#        * <old-postinst> `abort-upgrade' <new version>
+#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
+#          <new-version>
+#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
+#          <failed-install-package> <version> `removing'
+#          <conflicting-package> <version>
+# for details, see http://www.debian.org/doc/debian-policy/ or
+# the debian-policy package
+#
+
+case "$1" in
+    configure|abort-upgrade|abort-remove|abort-deconfigure)
+
+    ;;
+
+    *)
+        echo "postinst called with unknown argument \`$1'" >&2
+        exit 1
+    ;;
+esac
+
+
+if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
+	# The following line should be removed in trixie or trixie+1
+	deb-systemd-helper unmask 'reaction.service' >/dev/null || true
+
+	# was-enabled defaults to true, so new installations run enable.
+	if deb-systemd-helper --quiet was-enabled 'reaction.service'; then
+		# Enables the unit on first installation, creates new
+		# symlinks on upgrades if the unit file has changed.
+		deb-systemd-helper enable 'reaction.service' >/dev/null || true
+	else
+		# Update the statefile to add new symlinks (if any), which need to be
+		# cleaned up on purge. Also remove old symlinks.
+		deb-systemd-helper update-state 'reaction.service' >/dev/null || true
+	fi
+fi
+
+
+if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
+	if [ -d /run/systemd/system ]; then
+		systemctl --system daemon-reload >/dev/null || true
+	fi
+fi
+
+
+exit 0

DEBIAN/postrm

@@ -0,0 +1,40 @@
+#! /bin/sh
+# postrm script for reaction
+#
+# see: dh_installdeb(1)
+
+set -e
+
+# summary of how this script can be called:
+#        * <postrm> `remove'
+#        * <postrm> `purge'
+#        * <old-postrm> `upgrade' <new-version>
+#        * <new-postrm> `failed-upgrade' <old-version>
+#        * <new-postrm> `abort-install'
+#        * <new-postrm> `abort-install' <old-version>
+#        * <new-postrm> `abort-upgrade' <old-version>
+#        * <disappearer's-postrm> `disappear' <r>overwrit>r> <new-version>
+# for details, see /usr/doc/packaging-manual/
+
+
+case "$1" in
+		purge|disappear)
+			# Remove configuration
+			rm -f /etc/reaction.yml
+			# Remove database
+			rm -f /var/lib/reaction/*
+		;;
+		remove|upgrade|failed-upgrade|abort-install|abort-upgrade)
+			# nothing
+		;;
+esac
+
+if [ "$1" = remove ] && [ -d /run/systemd/system ] ; then
+	systemctl --system daemon-reload >/dev/null || true
+fi
+
+if [ "$1" = "purge" ]; then
+	if [ -x "/usr/bin/deb-systemd-helper" ]; then
+		deb-systemd-helper purge 'reaction.service' >/dev/null || true
+	fi
+fi

DEBIAN/prerm

@@ -0,0 +1,6 @@
+#!/bin/sh
+set -e
+
+if [ -z "${DPKG_ROOT:-}" ] && [ "$1" = remove ] && [ -d /run/systemd/system ] ; then
+	deb-systemd-invoke stop 'reaction.service' >/dev/null || true
+fi

Makefile

@@ -1,9 +1,22 @@
 all: reaction ip46tables
 
 clean:
-	rm -f reaction ip46tables
+	rm -f reaction ip46tables reaction.deb
+
 ip46tables: ip46tables.d/ip46tables.c
 	gcc -static ip46tables.d/ip46tables.c -o ip46tables
 
 reaction: app/* reaction.go go.mod go.sum
 	CGO_ENABLED=0 go build -buildvcs=false .
+
+reaction.deb: reaction ip46tables
+	chmod +x reaction ip46tables
+	mkdir -p deb/reaction/usr/bin/ deb/reaction/usr/sbin/ deb/reaction/lib/systemd/system/
+	cp reaction deb/reaction/usr/bin/
+	cp ip46tables deb/reaction/usr/sbin/
+	cp reaction.service deb/reaction/lib/systemd/system/
+	cp -r DEBIAN/ deb/reaction/DEBIAN
+	sed -e "s/LAST_TAG/`git tag --sort=v:refname | tail -n1`/" -e "s/Version: v/Version: /" -i deb/reaction/DEBIAN/*
+	cd deb && dpkg-deb --root-owner-group --build reaction
+	mv deb/reaction.deb reaction.deb
+	rm -rf deb/

reaction.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=A daemon that scans program outputs for repeated patterns, and takes action.
+Documentation=https://framagit.org/ppom/reaction-wiki
+
+[Service]
+ExecStart=/usr/bin/reaction start -c /etc/reaction.yml
+StateDirectory=reaction
+RuntimeDirectory=reaction
+WorkingDirectory=/var/lib/reaction
+
+[Install]
+WantedBy=multi-user.target