SSH_ENV="$HOME/.ssh/agent-environment"

function start_agent {
    echo "Initialising new SSH agent..."
    mkdir -p "$HOME/.ssh"
    chmod 700 "$HOME/.ssh"
    /usr/bin/ssh-agent | sed 's/^echo/#echo/' >"$SSH_ENV"
    echo succeeded
    chmod 600 "$SSH_ENV"
    . "$SSH_ENV" >/dev/null
    /usr/bin/ssh-add 2>/dev/null || true
}

# Source SSH settings, if applicable — skip entirely if ssh-agent is not available
if ! command -v ssh-agent >/dev/null 2>&1; then
    return 0
fi

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