From a7029ec67b4b496f4cd1c3805b2adcdd1889e11b Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Wed, 8 Dec 2021 16:01:16 +0100
Subject: gkleen@sif: ssh proxy: lsof

---
 accounts/gkleen@sif/systemd.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'accounts/gkleen@sif/systemd.nix')

diff --git a/accounts/gkleen@sif/systemd.nix b/accounts/gkleen@sif/systemd.nix
index eff9aa5e..de28895e 100644
--- a/accounts/gkleen@sif/systemd.nix
+++ b/accounts/gkleen@sif/systemd.nix
@@ -24,10 +24,15 @@ let
     pid=$!
     ${pkgs.systemd}/bin/systemd-notify --pid="''${pid}"
 
-    while ! ${pkgs.netcat-openbsd.nc}/bin/nc -z -v localhost ''${port}; do
+    check_pid() {
+      ${pkgs.lsof}/bin/lsof -Pi @localhost:"''${port}" -sTCP:LISTEN -t
+    }
+
+    while ! check_pid; do
       ${pkgs.coreutils}/bin/sleep 0.1
     done
 
+    ${pkgs.systemd}/bin/systemd-notify --pid=$(check_pid)
     ${pkgs.systemd}/bin/systemd-notify --ready
 
     wait "''${pid}"
-- 
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