#!/bin/sh

# This script loads ssh-agent and shares the instance across multiple instances
# of rxvt.
#
# Written and released under GPL by Joseph Reagle, found here:
# http://www.cygwin.com/ml/cygwin/2001-06/msg00537.html
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

SSH_ENV="$HOME/.ssh/environment"

function start_agent {
  ssh-agent | sed 's/^echo/#echo/' > "${SSH_ENV}"
  chmod 600 "${SSH_ENV}"
  . "${SSH_ENV}" > /dev/null
  ssh-add;
}

if [ -d "$HOME/.ssh" ]; then
  if [ -f "${SSH_ENV}" ]; then
    . "${SSH_ENV}" > /dev/null
    ps -ef | grep ${SSH_AGENT_PID} | grep ssh-agent$ > /dev/null || {
      start_agent;
    }
  else
    start_agent;
  fi
fi