Add generate script for Debian .debs into contrib

contrib/deb/generate.sh

@@ -0,0 +1,79 @@
+#!/bin/sh
+
+# This is a lazy script to create a .deb for Debian/Ubuntu. It installs
+# yggdrasil and enables it in systemd. You can give it the PKGARCH= argument
+# i.e. PKGARCH=i386 sh contrib/deb/generate.sh
+
+if [ `pwd` != `git rev-parse --show-toplevel` ]
+then
+  echo "You should run this script from the top-level directory of the git repo"
+  exit -1
+fi
+
+PKGNAME=debian-yggdrasil
+PKGARCH=${PKGARCH-amd64}
+PKGVERSION=0.$(git rev-list HEAD --count 2>/dev/null | xargs printf "%04d")
+PKGFILE=$PKGNAME-$PKGVERSION-$PKGARCH.deb
+
+echo "Building $PKGFILE"
+
+mkdir -p /tmp/$PKGNAME/
+mkdir -p /tmp/$PKGNAME/debian/
+mkdir -p /tmp/$PKGNAME/usr/bin/
+mkdir -p /tmp/$PKGNAME/etc/systemd/system/
+
+cat > /tmp/$PKGNAME/debian/changelog << EOF
+Insert changelog here
+EOF
+echo 9 > /tmp/$PKGNAME/debian/compat
+cat > /tmp/$PKGNAME/debian/control << EOF
+Package: $PKGNAME
+Version: $PKGVERSION
+Section: contrib/net
+Priority: extra
+Architecture: $PKGARCH
+Maintainer: Neil Alexander <neilalexander@noreply.users.github.com>
+Description: Debian yggdrasil package
+ Binary yggdrasil package for Debian and Ubuntu
+EOF
+cat > /tmp/$PKGNAME/debian/copyright << EOF
+Insert copyright notice here
+EOF
+cat > /tmp/$PKGNAME/debian/docs << EOF
+Insert docs here
+EOF
+cat > /tmp/$PKGNAME/debian/install << EOF
+usr/bin/yggdrasil usr/bin
+etc/systemd/system/*.service etc/systemd/system
+EOF
+cat > /tmp/$PKGNAME/debian/postinst << EOF
+#!/bin/sh
+systemctl enable yggdrasil
+systemctl start yggdrasil
+EOF
+cat > /tmp/$PKGNAME/debian/prerm << EOF
+#!/bin/sh
+systemctl disable yggdrasil
+systemctl stop yggdrasil
+EOF
+
+GOOS=linux GOARCH=$PKGARCH ./build
+
+cp yggdrasil /tmp/$PKGNAME/usr/bin/
+cp contrib/systemd/yggdrasil.service /tmp/$PKGNAME/etc/systemd/system/
+cp contrib/systemd/yggdrasil-resume.service /tmp/$PKGNAME/etc/systemd/system/
+
+tar -czvf /tmp/$PKGNAME/data.tar.gz -C /tmp/$PKGNAME/ \
+  usr/bin/yggdrasil \
+  etc/systemd/system/yggdrasil.service \
+  etc/systemd/system/yggdrasil-resume.service
+tar -czvf /tmp/$PKGNAME/control.tar.gz -C /tmp/$PKGNAME/debian .
+echo 2.0 > /tmp/$PKGNAME/debian-binary
+
+ar -r $PKGFILE \
+  /tmp/$PKGNAME/debian-binary \
+  /tmp/$PKGNAME/control.tar.gz \
+  /tmp/$PKGNAME/data.tar.gz
+
+rm -rf /tmp/$PKGNAME
+