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authortv <tv@krebsco.de>2017-05-24 01:43:50 +0200
committertv <tv@krebsco.de>2017-05-24 01:43:50 +0200
commitf0b98bd0114df1e1ebb82ff300f9532d86b3eb18 (patch)
tree58a39173f7d6d7caa10a7b8fec1b5a1e54f0c08c /krebs/5pkgs/simple/untilport/default.nix
parent46d6506916f699e3b707dc41cd68c92b98e50e5a (diff)
krebs/5pkgs: move simple pkgs to a subdir
Diffstat (limited to 'krebs/5pkgs/simple/untilport/default.nix')
-rw-r--r--krebs/5pkgs/simple/untilport/default.nix18
1 files changed, 18 insertions, 0 deletions
diff --git a/krebs/5pkgs/simple/untilport/default.nix b/krebs/5pkgs/simple/untilport/default.nix
new file mode 100644
index 000000000..61bcc2b89
--- /dev/null
+++ b/krebs/5pkgs/simple/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
+''