From cb9acfd57e4138f61b59d8ae81350e57b264ee7f Mon Sep 17 00:00:00 2001
From: Graham Christensen <graham@grahamc.com>
Date: Sat, 16 Dec 2017 08:57:30 -0500
Subject: [PATCH] Document how things are building

---
 README.md | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/README.md b/README.md
index ad4fab1..325511f 100644
--- a/README.md
+++ b/README.md
@@ -77,6 +77,21 @@ looks good to me!
 
 as it'll try to build `list` `of` `attrs` `looks` `good` `to` `me!`.
 
+
+# Why did my build fail?
+
+
+Builds are run like:
+
+> HOME=/homeless-shelter NIX_PATH=nixpkgs=$(pwd) nix-build ./default.nix \
+> --no-out-link --keep-going -A hello \
+> --option restrict-eval true \
+> --option build-timeout 1800 \
+> --argstr system thesystem
+
+
+---
+
 # arch
 
 1. All github events go in to web/index.php, which sends the event to