utils/bash/sources/09_ssh-agent

#!/bin/bash

# ssh-agent key lifetime
alias ssh-add="ssh-add -t 43200"

SSH_ENV="$HOME/.ssh/environment"

function start_agent {
    echo "Initialising new SSH agent..."
    /usr/bin/ssh-agent | sed 's/^echo/#echo/' > "${SSH_ENV}"
    echo succeeded
    chmod 600 "${SSH_ENV}"
    . "${SSH_ENV}" > /dev/null

    # Test the ssh-add if status return 0/1, agent is initialized
    /usr/bin/ssh-add;
    ST=$?
    if [ $ST -ne 0 ] && [ $ST -ne 1 ]; then
        return $ST
    fi

    return 0
}

# Source SSH settings, if applicable

if [ -f "${SSH_ENV}" ]; then
    . "${SSH_ENV}" > /dev/null
    #ps ${SSH_AGENT_PID} doesn't work under cywgin
    ps -ef | grep ${SSH_AGENT_PID} | grep ssh-agent$ > /dev/null || {
        start_agent;
    }
else
    start_agent;
fi