Add dingdingding

home-manager/roles/default.nix

@@ -181,6 +181,9 @@
         pkgs.writeShellScriptBin "print-ssh-pw"
           "pass show eu/m-0/${config.m-0.hostName}.m-0.eu/ssh-key"
       )
+      (
+        pkgs.writeShellScriptBin "dingdingding" (builtins.readFile ./signal.sh)
+      )
     ];
     sessionVariables = {
       PATH = "$HOME/.nix-profile/bin:$PATH";

home-manager/roles/signal.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+
+x=$1
+
+while true; do
+
+if [[ "$x" == "0" ]]; then
+	exit
+fi
+
+if [[ "$x" != "" ]]; then
+echo "$x rings left"
+x=$(( x - 1 ))
+fi
+
+current_seconds=$(date +%S)
+current_minute=$(date +%M)
+
+if (($current_minute < 30)); then
+echo "Next ring at half hour."
+sleep_seconds=$(( (29 - $current_minute)*60+ (60 - $current_seconds)))
+else
+echo "Next ring at full hour."
+sleep_seconds=$(( (59 - $current_minute)*60+ (60 - $current_seconds)))
+fi
+
+echo "Sleeping for $sleep_seconds seconds."
+sleep $sleep_seconds
+
+echo "Ringing Bell"
+mpv ./bell.opus
+done