# Requires SSH_AUTH_SOCK="$XDG_RUNTIME_DIR/ssh-agent.socket" to be set in environment
[Unit]
ConditionEnvironment=!SSH_AGENT_PID
Description=OpenSSH key agent
Documentation=man:ssh-agent(1) man:ssh-add(1) man:ssh(1)
Requires=ssh-agent.socket

[Service]
ExecStart=/usr/bin/ssh-agent -D
SuccessExitStatus=2
Type=simple

[Install]
Also=ssh-agent.socket