Initial Commit

DEBIAN/preinst

@@ -0,0 +1,40 @@
+#!/bin/sh -e
+
+NAME=fah-client
+CLIENT_HOME=/var/lib/$NAME
+
+case "$1" in
+  install)
+    # Old v7 init script is broken and does not stop when told so
+    if [ -e /etc/init.d/FAHClient ]; then
+      systemctl kill FAHClient 2>/dev/null || true
+
+      # Missing PID file in init scripts cripples systemd monitoring,
+      # requiring manual waiting for process exit
+      TRY=0
+      while pgrep -x FAHClient >/dev/null && [ $TRY -lt 120 ]; do
+        sleep 1
+        TRY=$((TRY+1))
+      done
+    fi
+
+    # Create group if it does not exist
+    if ! getent group $NAME >/dev/null; then
+      groupadd --system $NAME || true
+    fi
+
+    # Create user if it does not exist
+    if ! getent passwd $NAME >/dev/null; then
+      useradd --system --gid $NAME --shell /usr/sbin/nologin \
+        --home-dir $CLIENT_HOME --no-create-home \
+        --groups video,render $NAME || true
+    fi
+    ;;
+
+  upgrade)
+    # Remove broken symlink installed by previous v8 packages
+    if dpkg --compare-versions "$2" lt 8.2.1; then
+      systemctl -q disable $NAME || true
+    fi
+    ;;
+esac