From 68e90ed5ddea8cbd801ca6a6e6cfeba052a71528 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cyryl=20P=C5=82otnicki?= <cyplo@cyplo.net>
Date: Tue, 22 Oct 2019 16:52:31 +0100
Subject: [PATCH] calculate max cpu temp no matter how many temp zones

---
 cpu-temp.sh       | 9 +++++++++
 nixos/home.nix    | 2 +-
 nixos/polybar.nix | 5 ++---
 3 files changed, 12 insertions(+), 4 deletions(-)
 create mode 100755 cpu-temp.sh

diff --git a/cpu-temp.sh b/cpu-temp.sh
new file mode 100755
index 00000000..c7c80523
--- /dev/null
+++ b/cpu-temp.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+profile="$HOME/.nix-profile/bin/"
+system="/run/current-system/sw/bin/"
+
+sensors="$profile/sensors"
+
+max_temp=`$sensors | $system/egrep -o '[0-9][0-9]\.[0-9]' | $system/sort | $system/uniq | $system/tail -n 1`
+
+echo "${max_temp}°C"
diff --git a/nixos/home.nix b/nixos/home.nix
index 34d5a8ba..2aecffce 100644
--- a/nixos/home.nix
+++ b/nixos/home.nix
@@ -14,7 +14,7 @@ in
       };
     };
     home.packages = with pkgs; [
-      cabal-install stack hsetroot
+      cabal-install stack hsetroot lm_sensors
       wirelesstools ranger xpdf apvlv unstable.xidlehook blueman
       fontconfig nodejs rustup gcc gdb
       binutils xclip pkgconfig veracrypt gitAndTools.diff-so-fancy
diff --git a/nixos/polybar.nix b/nixos/polybar.nix
index 663964b3..e725ab3f 100644
--- a/nixos/polybar.nix
+++ b/nixos/polybar.nix
@@ -56,10 +56,9 @@
       };
 
       "module/temperature" = {
-        type = "internal/temperature";
-        thermal-zone = 3;
+        type = "custom/script";
         interval = 5;
-        format = "TEMP: <label>";
+        exec = "~/dev/dotfiles/cpu-temp.sh";
       };
 
       "module/memory" = {