From 470ae38f1ce542e7d30c732ba20ae2042f183391 Mon Sep 17 00:00:00 2001
From: Scott Carroll <scottc@scottc.net>
Date: Sun, 18 May 2025 20:49:14 +0100
Subject: [PATCH] Add local bashrc to fetch ssh keys from 1Password

---
 bashprofile/bashrc-local-homessh | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 bashprofile/bashrc-local-homessh

diff --git a/bashprofile/bashrc-local-homessh b/bashprofile/bashrc-local-homessh
new file mode 100644
index 0000000..479d5ba
--- /dev/null
+++ b/bashprofile/bashrc-local-homessh
@@ -0,0 +1,21 @@
+# Code extracted from https://stuartleeks.com/posts/wsl-ssh-key-forward-to-windows/ with minor modifications
+
+mkdir -p /home/scottc/.1password
+
+# Configure ssh forwarding
+export SSH_AUTH_SOCK=$HOME/.1password/agent.sock
+# need `ps -ww` to get non-truncated command for matching
+# use square brackets to generate a regex match for the process we want but that doesn't match the grep command running it!
+ALREADY_RUNNING=$(ps -auxww | grep -q "[n]piperelay.exe -ei -s //./pipe/openssh-ssh-agent"; echo $?)
+if [[ $ALREADY_RUNNING != "0" ]]; then
+  if [[ -S $SSH_AUTH_SOCK ]]; then
+    # not expecting the socket to exist as the forwarding command isn't running (http://www.tldp.org/LDP/abs/html/fto.html)
+    echo "removing previous socket..."
+    rm $SSH_AUTH_SOCK
+  fi
+  echo "Starting SSH-Agent relay..."
+  # setsid to force new session to keep running
+  # set socat to listen on $SSH_AUTH_SOCK and forward to npiperelay which then forwards to openssh-ssh-agent on windows
+  (setsid socat UNIX-LISTEN:$SSH_AUTH_SOCK,fork EXEC:"npiperelay.exe -ei -s //./pipe/openssh-ssh-agent",nofork &) >/dev/null 2>&1
+fi
+