#!/bin/bash

# Put this in /etc/autofs or just /etc depending on where your distribution
# places auto.master. If you are doing per-user setups for this, you might 
# name it to auto.ssh_username
# Either way, you will need to add a line for it to auto.master, such as
# /home/user/ssh /etc/autofs/auto.ssh_user

# This can be restricted to a particular user by adding something like
# uid=1000,gid=1000,umask=077
OPTS="-fstype=fuse,allow_other"

# To set this up to use a non-root user's ssh keys instead of root's,
# create a script that runs ssh under 'sudo -H -i -u user', substitute
# the correct username in place of 'user', and uncomment this line
#OPTS="-fstype=fuse,allow_other,ssh_command=/usr/local/bin/sudo_ssh_user"

#TODO: see if some way can be found to put a more complex expression for
# ssh_command so that an external script is not necessary

# Allow for connections to ssh servers on alternate ports
# If we are given input of the from
# example.com:4000
# then set the port=4000 option
HOST="${1}"
COLONPOS=`expr index "${HOST}" :`
if [[ $COLONPOS > 0 ]]
then
  OPTS="${OPTS},port=${HOST:$COLONPOS}"
  HOST="${HOST:0:$[$COLONPOS - 1]}"
fi

# Output in a format pleasing to autofs
echo -e "${OPTS}"  "\t/\t" "sshfs\#"${HOST}:/

#TODO remove bashisms from this script