scripts/ssh-agent.sh

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#!/bin/bash
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if [ -e "${HOME}/.spool/ssh-agent.sock" ]; then
PID=$(tail -n 1 "${HOME}/.spool/ssh-agent.env" | sed 's/echo Agent pid \([0-9]*\);/\1/')
if [ -z "$PID" ]; then
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pkill ssh-agent
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rm "${HOME}/.spool/ssh-agent.sock" "${HOME}/.spool/ssh-agent.pid"
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else
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CMD=$(ps -p "$PID" -o comm | tail -n 1)
if [ -n "$CMD" ] && [ "$CMD" == 'ssh-agent' ]; then
echo "Valid agent already found at ${HOME}/.spool/ssh-agent.sock with PID $PID"
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exit
fi
fi
fi
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eval $(ssh-agent -a "${HOME}/.spool/ssh-agent.sock" | tee "${HOME}/.spool/ssh-agent.env")