#!/bin/bash
function ssh_target {
    ssh -i vm-key "$to" "$@"
}
source "$1/config"

echo "To: $to"
echo "Agent: $SSH_AGENT_PID"
oldpid=$SSH_AGENT_PID
if [[ $oldpid == "" ]]; then
    eval $(ssh-agent)
    ssh-add vm-key
fi

git fetch "$to:" "HEAD:refs/remotes/$1"

if [[ $oldpid == "" ]]; then
    eval $(ssh-agent -k)
fi