From 8dba50616c4850334706dff475e60cb5b999bf3d Mon Sep 17 00:00:00 2001
From: Samuel Dionne-Riel <samuel@dionne-riel.com>
Date: Mon, 13 Jul 2020 20:26:28 -0400
Subject: [PATCH] build.sh: Now track unstable

This is a moving target, but ugh, it seems all choices are unfulfilling.
---
 build.sh | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/build.sh b/build.sh
index 1abdc2c..14ffdea 100755
--- a/build.sh
+++ b/build.sh
@@ -9,5 +9,8 @@ PS4=" $ "
 # way to go.
 
 set -x
-exec env -i NIXPKGS_ALLOW_UNFREE=1 NIX_PATH="nixpkgs=channel:nixos-19.09" nix-build \
-  system.nix -A config.system.build.sdImage "$@"
+exec env -i \
+	NIXPKGS_ALLOW_UNFREE=1 \
+	NIX_PATH="nixpkgs=channel:nixos-unstable" \
+	"$(command -v nix-build)" \
+	system.nix -A config.system.build.sdImage "$@"