initial import

nbd/nbd.install

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+post_install() {
+  getent group 'nbd' &> '/dev/null' || groupadd 'nbd' > '/dev/null'
+  getent passwd 'nbd' &> '/dev/null' || useradd -g 'nbd' -d '/var/empty' \
+    -c 'Network Block Devices' -s '/bin/nologin' 'nbd' > '/dev/null'
+  nbd_shell="$(getent passwd 'ntp' | cut -d: -f7)"
+  if [ "${nbd_shell}" != '/bin/nologin' ]; then
+    chsh -s '/bin/nologin' 'nbd' &> '/dev/null'
+  fi
+}
+
+post_upgrade(){
+  post_install
+}