From 71d2575ea8067bca461a9eeae632c84aba3ef6ff Mon Sep 17 00:00:00 2001
From: foosinn <stefan@f2o.io>
Date: Tue, 30 Mar 2021 17:31:25 +0200
Subject: [PATCH] use dynamic ssh agent

---
 roles/base.nix | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/roles/base.nix b/roles/base.nix
index c0d9ea2..9bf10bd 100644
--- a/roles/base.nix
+++ b/roles/base.nix
@@ -53,10 +53,20 @@ in {
       export EDITOR=nvim
       export STARSHIP_CONFIG=/etc/starship.toml
 
-      if [ -z "$SSH_AUTH_SOCK" ]; then
-          eval $(ssh-agent)
+      if [ -f ~/.ssh/agent.env ] ; then
+          . ~/.ssh/agent.env > /dev/null
+          if ! kill -0 "$SSH_AGENT_PID" > /dev/null 2>&1; then
+              echo "Stale agent file found. Spawning a new agent. "
+              eval `ssh-agent | tee ~/.ssh/agent.env`
+              ssh-add
+          fi
+      else
+          echo "Starting ssh-agent"
+          eval `ssh-agent | tee ~/.ssh/agent.env`
+          ssh-add
       fi
 
+
       set_win_title() {
         echo -ne "\033]0;$USER@$HOSTNAME: $PWD\007"
       }