50 lines
1.5 KiB
Fish
50 lines
1.5 KiB
Fish
#!/usr/bin/fish
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#
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# Fish script to run ssh-agent correctly, i.e. only start a new one when
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# necessary. Drop it into ~/.config/fish/conf.d and forget about it.
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#
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# Uses ps and kill, everything else is done inside fish.
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#
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# Requires fish 2.3 for the string manipulation.
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#
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# Works with Fedora 26 and CentOS 7, for CentOS 6 you'll need a third party
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# repo for fish anyway so make sure it's recent enough.
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#
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if status --is-interactive
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# Load the SSH environment variables
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if test -f ~/.ssh/environment
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source ~/.ssh/environment
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end
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# Check the environment variables are present
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if test \( "$SSH_AGENT_PID" != "" \) -a \( "$SSH_AUTH_SOCK" != "" \) -a \( -S "$SSH_AUTH_SOCK" \)
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# Check it's not pointing at GNOME askpass
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if string match -rv "/run/user/.*" "$SSH_AUTH_SOCK" >/dev/null
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# Check the agent's actually running
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if ps -p "$SSH_AGENT_PID" >/dev/null
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set -e SSH_ASKPASS
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exit
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end
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end
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end
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# If we get this far, something is wrong
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# Kill the existing agent process if possible
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if test "$SSH_AGENT_PID" != ""
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kill -s TERM "$SSH_AGENT_PID" 2>/dev/null
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end
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# Start up a new agent, set the environment variables, and store them
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# in the file for other shell instances
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set a (ssh-agent) >/dev/null
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set s (string match -r '.*=[^;]*' $a)
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rm ~/.ssh/environment 2> /dev/null
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for l in $s
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set v (string replace -r '=' ' ' $l)
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eval "set -x" $v
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echo "set -x " $v >> ~/.ssh/environment
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ssh-add 2> /dev/null
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end
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end
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