Set default SSH_AGENT_PID for grep
If `SSH_AGENT_PID` is unset, grep will succeed if another ssh-agent is running as it will match the string `ssh-agent` where the PID was an empty string. Set a default value for grep to a value that will never match if unset, i.e. -1. Signed-off-by: Sorin Ionescu <sorin.ionescu@gmail.com>
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@ -25,7 +25,7 @@ if [[ ! -S "$SSH_AUTH_SOCK" ]]; then
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source "$_ssh_agent_env" 2> /dev/null
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# Start ssh-agent if not started.
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if ! ps -U "$USER" -o pid,ucomm | grep -q "${SSH_AGENT_PID} ssh-agent"; then
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if ! ps -U "$USER" -o pid,ucomm | grep -q -- "${SSH_AGENT_PID:--1} ssh-agent"; then
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eval "$(ssh-agent | sed '/^echo /d' | tee "$_ssh_agent_env")"
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fi
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fi
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