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zim/modules/ssh/init.zsh
2015-12-15 00:12:17 -05:00

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#
# sets up ssh-agent
#
# don't do anything unless we can actually use ssh-agent
if (( ! $+commands[ssh-agent] )); then
return 1
fi
local ssh_env=${TMPDIR:-/tmp}/ssh-agent.env
local ssh_sock=${TMPDIR:-/tmp}/ssh-agent.sock
# start ssh-agent if not already running
if [[ ! -S ${SSH_AUTH_SOCK} ]]; then
# read environment if possible
source ssh_env 2> /dev/null
if ! ps -U ${LOGNAME} -o pid,ucomm | grep -q -- "${SSH_AGENT_PID:--1} ssh-agent"; then
eval "$(ssh-agent | sed '/^echo /d' | tee ${ssh_env})"
fi
fi
# create socket
if [[ -S ${SSH_AUTH_SOCKET} && ${SSH_AUTH_SOCKET} != ${ssh_sock} ]]; then
ln -sf ${SSH_AUTH_SOCKET} ${ssh_sock}
export SSH_AUTH_SOCK=${ssh_sock}
fi
# load ids
if ssh-add -l 2>&1 | grep -q 'no identities'; then
if (( ${#zssh_ids} > 0 )); then
ssh-add "${HOME}/.ssh/${^zssh_ids[@]}" 2> /dev/null
else
ssh-add 2> /dev/null
fi
fi
unset ssh_{sock,env}