#! /bin/sh
# usage: services [user@]hostname[:port]
# environment:
#   services_identity_file  path to ssh(1) identity_file
set -euf

user=services
hostname=${1-localhost}
port=1337

options="${options+$options }-o ControlMaster=no"

if test -n "${services_identity_file-}"; then
  options="${options+$options }-i $services_identity_file"
fi

if echo $hostname | grep -q @; then
  user=`echo $hostname | cut -d@ -f1`
  hostname=`echo $hostname | cut -d@ -f2`
fi
if echo $hostname | grep -q :; then
  port=`echo $hostname | cut -d: -f2`
  hostname=`echo $hostname | cut -d: -f1`
fi

exec 3>&1
{
  set +e
  ssh -T $options $user@$hostname -p $port
  echo "# Exit:$?" >&2
} 2>&1 1>&3 | {
  err="`cat`"
  code=`echo "$err" | sed -n 's/^# Exit:\([0-9]\+\)/\1/p'`
  echo "$err" | sed '
    /^Connection to '$hostname' closed/d
    /^Shared connection to '$hostname' closed/d
    /^# Exit:/d
  ' >&2
  exit $code
}