From 3fa6e9c1745d734189732fcacec01939ab5cd73d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Reynir=20Bj=C3=B6rnsson?= <reynir@reynir.dk>
Date: Fri, 12 Nov 2021 11:18:40 +0100
Subject: [PATCH] debian: add postinst script

Fixes #54
---
 packaging/debian/create_package.sh |  1 +
 packaging/debian/postinst          | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)
 create mode 100644 packaging/debian/postinst

diff --git a/packaging/debian/create_package.sh b/packaging/debian/create_package.sh
index 907b098..cc3b532 100755
--- a/packaging/debian/create_package.sh
+++ b/packaging/debian/create_package.sh
@@ -31,6 +31,7 @@ install -m 0644 $basedir/packaging/debian/builder-web.service $systemddir/builde
 install -m 0644 $basedir/packaging/debian/control $debiandir/control
 install -m 0644 $basedir/packaging/debian/changelog $debiandir/changelog
 install -m 0644 $basedir/packaging/debian/copyright $debiandir/copyright
+install $basedir/packaging/debian/postinst $debiandir/postinst
 
 dpkg-deb --build $rootdir $basedir/builder-web.deb
 echo 'bin: [ "builder-web.deb" ]' > $basedir/builder-web.install
diff --git a/packaging/debian/postinst b/packaging/debian/postinst
new file mode 100644
index 0000000..2221958
--- /dev/null
+++ b/packaging/debian/postinst
@@ -0,0 +1,17 @@
+#!/bin/sh
+set -e
+BUILDER_WEB_USER=builder
+
+if ! getent passwd "$BUILDER_WEB_USER" >/dev/null; then
+	groupadd -g 497 $BUILDER_WEB_USER
+fi
+if ! getent group "$BUILDER_WEB_USER" >/dev/null; then
+	useradd -g 497 -u 497 -d /nonexistent -s /usr/sbin/nologin $BUILDER_WEB_USER
+fi
+
+mkdir -p /var/lib/builder-web
+chown "$BUILDER_WEB_USER:$BUILDER_WEB_USER" /var/lib/builder-web
+
+if [ -d /run/systemd/system ]; then
+	systemctl --system daemon-reload >/dev/null || true
+fi