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authormakefu <github@syntax-fehler.de>2016-05-24 22:27:21 +0200
committermakefu <github@syntax-fehler.de>2016-05-24 22:27:21 +0200
commitc1971f5aa04553c022fac4d7df7221aef66826a2 (patch)
treeb13db787aea2c4380b1308112d542eb1b7a4bc9d /lass/5pkgs/untilport
parent9cba0ffefa95079168f3419cf11eb98400a468db (diff)
parentfacb65bd22226742b1805138b2841b29c4c26012 (diff)
Merge remote-tracking branch 'cloudkrebs/master'
Diffstat (limited to 'lass/5pkgs/untilport')
-rw-r--r--lass/5pkgs/untilport/default.nix18
1 files changed, 18 insertions, 0 deletions
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
+''