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60 lines
1.6 KiB
Bash
60 lines
1.6 KiB
Bash
#
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# Provides for an easier use of ssh-agent.
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#
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# Authors:
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# Robby Russell <robby@planetargon.com>
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# Theodore Robert Campbell Jr <trcjr@stupidfoot.com>
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# Joseph M. Reagle Jr. <reagle@mit.edu>
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# Florent Thoumie <flz@xbsd.org>
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# Jonas Pfenniger <jonas@pfenniger.name>
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# gwjo <gowen72@gmail.com>
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# Sorin Ionescu <sorin.ionescu@gmail.com>
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#
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# Return if requirements are not found.
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if (( ! $+commands[ssh-agent] )); then
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return 1
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fi
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_ssh_agent_env="${HOME}/.ssh/environment-${HOST}"
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_ssh_agent_forwarding=
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function _ssh-agent-start {
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local -a identities
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# Start ssh-agent and setup the environment.
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rm -f "${_ssh_agent_env}"
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ssh-agent > "${_ssh_agent_env}"
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chmod 600 "${_ssh_agent_env}"
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source "${_ssh_agent_env}" > /dev/null
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# Load identities.
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zstyle -a ':prezto:module:ssh-agent' identities 'identities'
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if (( ${#identities} > 0 )); then
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ssh-add "${HOME}/.ssh/${^identities[@]}"
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else
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ssh-add
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fi
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}
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# Test if agent-forwarding is enabled.
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zstyle -b ':prezto:module:ssh-agent' forwarding '_ssh_agent_forwarding'
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if is-true "${_ssh_agent_forwarding}" && [[ -n "$SSH_AUTH_SOCK" ]]; then
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# Add a nifty symlink for screen/tmux if agent forwarding.
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[[ -L "$SSH_AUTH_SOCK" ]] || ln -sf "$SSH_AUTH_SOCK" /tmp/ssh-agent-$USER-screen
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elif [[ -s "${_ssh_agent_env}" ]]; then
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# Source SSH settings, if applicable.
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source "${_ssh_agent_env}" > /dev/null
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ps -ef | grep "${SSH_AGENT_PID}" | grep -q 'ssh-agent$' || {
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_ssh-agent-start;
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}
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else
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_ssh-agent-start;
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fi
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# Tidy up after ourselves.
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unfunction _ssh-agent-start
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unset _ssh_agent_{env,forwarding}
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