25 lines
485 B
Nix
25 lines
485 B
Nix
{ config, pkgs, ... }:
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let
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# check if laptop runs on umts
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weaksauce-internet = with pkgs;writeScript "weaksauce-internet" ''
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#! /bin/sh
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if ${iproute}/bin/ip addr show dev ppp0 2>/dev/null \
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| ${gnugrep}/bin/grep -q inet;then
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exit 1
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fi
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'';
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in {
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krebs.fetchWallpaper = {
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enable = true;
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display = ":0";
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predicate = weaksauce-internet;
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timerConfig = {
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OnCalendar = "*:0/30";
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};
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url = "http://echelon/wallpaper.png";
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};
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}
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