demure-dotfiles/subbash/sshagent

#### My (demuredemeanor) sub source ssh-agent script
# Uses tabstop=4; shiftwidth=4 tabs; foldmarker={{{,}}};
# https://notabug.org/demure/dotfiles/
# legacy repo http://github.com/demure/dotfiles
# vim:set syntax=sh:

# Add check for key exists first
# Add check -> Y/N for ssh_env existing? might not need, if using __ssh_agent right

### SSH Agent ### {{{
function __ssh_agent() {
	local SSH_ENV="$HOME/.ssh/environment"
	local U_CHECK="$(logname)"
	logname &>/dev/null
	local F_CHECK="$?"

	function __start_agent {
		echo "Initialising new SSH agent..."
		/usr/bin/ssh-agent | sed 's/^echo/#echo/' > "${SSH_ENV}"
		echo succeeded
		chmod 600 "${SSH_ENV}"
		. "${SSH_ENV}" > /dev/null
		/usr/bin/ssh-add;
	}

	## Source SSH settings, if applicable
	if [ ${F_CHECK} == 0 ] && { [ "${U_CHECK}" == "${USER}" ] || [ "${U_CHECK}" == "logname: no login name" ] ;}; then
		if [ -f "${SSH_ENV}" ]; then
			. "${SSH_ENV}" > /dev/null
			ps -ef | grep ${SSH_AGENT_PID} | grep ssh-agent$ > /dev/null || {
				__start_agent;
			}
		  else
			__start_agent;
		fi
	fi
}
### End SSH Agent ### }}}