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Use existing ssh-agent when invoking a sudo shell (#3891)
When invoking a shell as root using ```sudo -s```, the ssh-agent plugin starts a new agent although it already exists. The problem boils down to a check if ssh-agent is running using ```ps x```. If that is extended to ```ps ax``` for root, then the existing ssh-agent will still work.
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@ -30,7 +30,12 @@ if [[ $_agent_forwarding == "yes" && -n "$SSH_AUTH_SOCK" ]]; then
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elif [[ -f "$_ssh_env_cache" ]]; then
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# Source SSH settings, if applicable
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. $_ssh_env_cache > /dev/null
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ps x | grep ssh-agent | grep -q $SSH_AGENT_PID || {
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if [[ $USER == "root" ]]; then
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FILTER="ax"
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else
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FILTER="x"
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fi
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ps $FILTER | grep ssh-agent | grep -q $SSH_AGENT_PID || {
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_start_agent
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}
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else
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