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38 lines
1.1 KiB
Plaintext
38 lines
1.1 KiB
Plaintext
## get-ssh-agent
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# A pretty simple function intended to convince multiple shell sessions to connect to the same
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# ssh-agent instance.
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AGENT_FILE_NAME='ssh-agent.env'
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# XDG runtime path by default is /run/user/$UID
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default_runtime_path="/run/user/$UID"
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if [[ "$XDG_RUNTIME_DIR" ]]; then
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ssh_agent_env_file="${XDG_RUNTIME_DIR}/${AGENT_FILE_NAME}"
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else
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ssh_agent_env_file="${default_runtime_path}/${AGENT_FILE_NAME}"
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fi
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function _start_new_ssh_agent () {
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ssh_agent_file=$1
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killall ssh-agent
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# start a new ssh-agent and write its output to the env file.
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ssh-agent | grep -v echo >& "$ssh_agent_file"
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source "$ssh_agent_file"
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echo "New ssh-agent started."
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ssh-add
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}
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if [[ -e "$ssh_agent_env_file" ]]; then
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# determine if the pid in the env file is still alive
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if [[ "$(source "$ssh_agent_env_file"; ps -ef | grep "$SSH_AGENT_PID")" ]]; then
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source "$ssh_agent_env_file"
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echo "Existing ssh-agent environment configured with pid ${SSH_AGENT_PID}."
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else
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echo "Existing ssh-agent appears to be dead."
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_start_new_ssh_agent "$ssh_agent_env_file"
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fi
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else
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echo "No existing ssh-agent found."
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_start_new_ssh_agent "$ssh_agent_env_file"
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fi
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