freebsd-ports/security/tor-devel/pkg-install

#!/bin/sh

if [ x"$2" = xPRE-INSTALL ]; then
    USER="_tor"
    UID="256"
    GROUP="_tor"
    GID="256"

   if /usr/sbin/pw groupshow "${GROUP}" 2>/dev/null; then
       echo "You already have a group \"${GROUP}\", so I will use it."
   else
       if /usr/sbin/pw groupadd ${GROUP} -g ${GID}; then
           echo "Added group \"${GROUP}\"."
       else
           echo "Adding group \"${GROUP}\" failed..."
           echo "Please create it, and try again."
           exit 1
       fi
   fi

   if /usr/sbin/pw user show "${USER}" 2>/dev/null; then
       echo "You already have a user \"${USER}\", so I will use it."
   else
       if /usr/sbin/pw useradd ${USER} -u ${UID} -g ${GROUP} -h - \
           -d /var/db/tor \
           -s /bin/sh \
           -c "Tor anonymising router"; then
           echo "Added user \"${USER}\"."
       else
           echo "Adding user \"${USER}\" failed..."
           echo "Please create it, and try again."
           exit 1
       fi
   fi
fi