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-rw-r--r--lass/2configs/default.nix1
-rw-r--r--lass/5pkgs/default.nix1
-rw-r--r--lass/5pkgs/untilport/default.nix18
3 files changed, 20 insertions, 0 deletions
diff --git a/lass/2configs/default.nix b/lass/2configs/default.nix
index 29938e35c..e38503f1a 100644
--- a/lass/2configs/default.nix
+++ b/lass/2configs/default.nix
@@ -112,6 +112,7 @@ with config.krebs.lib;
#neat utils
krebspaste
psmisc
+ untilport
#unpack stuff
p7zip
diff --git a/lass/5pkgs/default.nix b/lass/5pkgs/default.nix
index 1dacf6c7a..467867f63 100644
--- a/lass/5pkgs/default.nix
+++ b/lass/5pkgs/default.nix
@@ -10,6 +10,7 @@
};
mk_sql_pair = pkgs.callPackage ./mk_sql_pair/default.nix {};
mpv-poll = pkgs.callPackage ./mpv-poll/default.nix {};
+ untilport = pkgs.callPackage ./untilport/default.nix {};
urban = pkgs.callPackage ./urban/default.nix {};
xmonad-lass =
let src = pkgs.writeNixFromCabal "xmonad-lass.nix" ./xmonad-lass; in
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
+''