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#!/bin/sh
agent_socket="${XDG_RUNTIME_DIR:?XDG_RUNTIME_DIR is not set}/ssh-agent.sock"
SSH_AUTH_SOCK="$agent_socket" /usr/bin/ssh-add -l >/dev/null 2>&1
agent_status=$?
case "$agent_status" in
0|1)
# Agent exists; status 1 only means it currently has no keys.
exit 0
;;
2)
# No reachable agent. Remove only its stale runtime socket.
rm -f -- "$agent_socket"
exec /usr/bin/ssh-agent \
-D \
-a "$agent_socket" \
-t 8h
;;
*)
exit "$agent_status"
;;
esac
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