❄️ Dotfiles for our NixOS system configuration.
sapphic.moe
1{ lib, pkgs, osConfig, ... }:
2
3let
4 inherit (pkgs) ps util-linux socat;
5 grep = pkgs.gnugrep;
6in
7{
8 # WSL-specific SSH agent forwarding configuration
9 # Forwards the Windows SSH agent to a Unix socket in WSL
10 programs.zsh.initContent = lib.mkIf (osConfig ? wsl) ''
11 export SSH_AUTH_SOCK=$HOME/.1password/agent.sock
12
13 ALREADY_RUNNING=$(${ps}/bin/ps -auxww | ${grep}/bin/grep -q "[n]piperelay.exe -ei -s //./pipe/openssh-ssh-agent"; echo $?)
14
15 if [[ $ALREADY_RUNNING != "0" ]]; then
16 if [[ -S $SSH_AUTH_SOCK ]]; then
17 # not expecting the socket to exist as the forwarding command isn't running (http://www.tldp.org/LDP/abs/html/fto.html)
18 rm $SSH_AUTH_SOCK
19 fi
20
21 # otherwise, we start a new ssh-agent relay
22 (${util-linux}/bin/setsid ${socat}/bin/socat UNIX-LISTEN:$SSH_AUTH_SOCK,fork EXEC:"npiperelay.exe -ei -s //./pipe/openssh-ssh-agent",nofork &) >/dev/null 2>&1
23 fi
24 '';
25}