From 3fea8d651f49ac6a57f99bc6b49a5689e3c74fd8 Mon Sep 17 00:00:00 2001
From: lassulus <lass@aidsballs.de>
Date: Fri, 20 May 2016 00:12:43 +0200
Subject: l: add untilport

---
 lass/5pkgs/untilport/default.nix | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 lass/5pkgs/untilport/default.nix

(limited to 'lass/5pkgs/untilport/default.nix')

diff --git a/lass/5pkgs/untilport/default.nix b/lass/5pkgs/untilport/default.nix
new file mode 100644
index 000000000..61bcc2b89
--- /dev/null
+++ b/lass/5pkgs/untilport/default.nix
@@ -0,0 +1,18 @@
+{ pkgs, ... }:
+
+pkgs.writeDashBin "untilport" ''
+  set -euf
+
+  usage() {
+    echo 'untiport $target $port'
+    echo 'Sleeps until the destinated port is reachable.'
+    echo 'ex: untilport google.de 80 && echo "google is now reachable"'
+  }
+
+
+  if [ $# -ne 2 ]; then
+    usage
+  else
+    until ${pkgs.netcat-openbsd}/bin/nc -z "$@"; do sleep 1; done
+  fi
+''
-- 
cgit v1.2.3

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