From f43ffe152e4274099983533c9922a76febc035c5 Mon Sep 17 00:00:00 2001
From: Scott Worley <scottworley@scottworley.com>
Date: Wed, 15 Apr 2020 13:34:31 -0700
Subject: [PATCH 1/1] Don't upgrade during business hours

---
 modules/auto-upgrade.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/modules/auto-upgrade.nix b/modules/auto-upgrade.nix
index 2326ecc..31e2b0b 100644
--- a/modules/auto-upgrade.nix
+++ b/modules/auto-upgrade.nix
@@ -86,6 +86,17 @@ in {
         # intervene either to fix the problem or disable automatic updates.
         sleep 2h
 
+        # Wait until outside business hours
+        now=$(date +%s)
+        day_of_week=$(date +%u)
+        business_start=$(date -d  8:00 +%s)
+        business_end=$(  date -d 17:00 +%s)
+        if (( day_of_week <= 5 && now > business_start && now < business_end ));then
+          delay=$((business_end - now))
+          echo "Waiting $delay seconds so we don't upgrade during business hours" >&2
+          sleep "$delay"
+        fi
+
         ${pkgs.auto-upgrade}/bin/auto-upgrade
       '';
 
-- 
2.44.1