sync

hosts/wsl2/default.nix

@@ -28,11 +28,14 @@
   };
 
   environment.systemPackages =
-    [ pkgs.socat  pkgs.npiperelay];
+    [ pkgs.socat  pkgs.npiperelay pkgs.wsl-ssh-agent-forward];
+
 
 nixpkgs.config.packageOverrides = pkgs: with pkgs; rec {
       npiperelay = callPackage ../../pkgs/npiperelay { };
-  };
+      wsl-ssh-agent-forward = callPackage ../../pkgs/wsl-ssh-agent-forward { };
+ };
+
 
 
 

pkgs/wsl-ssh-agent-forward/default.nix

@@ -0,0 +1,11 @@
+{ lib, stdenv }:
+
+let
+  script = pkgs.writeShellScriptBin "helloWorld" builtins.readFile ./wsl-ssh-agent-forward.sh;
+  name = "wsl-ssh-agent-forward"
+in stdenv.mkDerivation rec {
+  pname = name;
+  # Add the derivation to the PATH
+  buildInputs = [ script ];
+
+}

pkgs/wsl-ssh-agent-forward/wsl-ssh-agent-forward.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+# Usage: wsl-ssh-agent-forward [ -k | -r ]
+# Options:
+#    -k    Kill the current process (if exists) and do not restart it.
+#    -r    Kill the current process (if exists) and restart it.
+# Default operation is to start a process only if it does not exist.
+
+export SSH_AUTH_SOCK=$HOME/.ssh/agent.sock
+
+sshpid=$(ss -ap | grep "$SSH_AUTH_SOCK")
+if [ "$1" = "-k" ] || [ "$1" = "-r" ]; then
+    sshpid=${sshpid//*pid=/}
+    sshpid=${sshpid%%,*}
+    if [ -n "${sshpid}" ]; then
+        kill "${sshpid}"
+    else
+        echo "'socat' not found or PID not found"
+    fi
+    if [ "$1" = "-k" ]; then
+        exit
+    fi
+    unset sshpid
+fi
+
+if [ -z "${sshpid}" ]; then
+    rm -f $SSH_AUTH_SOCK
+    ( setsid socat UNIX-LISTEN:$SSH_AUTH_SOCK,fork EXEC:"${pkgs.npiperelay} -ei -s //./pipe/openssh-ssh-agent",nofork & ) >/de>fi