From 7a3e7af2cc06dd7788ef90ecad8a3075bf51cd6b Mon Sep 17 00:00:00 2001
From: waalge <waagle@jes>
Date: Sat, 14 Jan 2023 11:39:56 +0000
Subject: [PATCH] add pre-commit hook for book

---
 flake.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/flake.nix b/flake.nix
index d93ef6d4..6e1d58b2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -299,6 +299,17 @@
                   fi
                 '');
               };
+              build-docs = {
+                enable = true;
+                name = "build-docs";
+                entry = l.toString (pkgs.writeScript "build-docs" ''
+                  #!${pkgs.bash}/bin/bash
+                  errors=$(mdbook build docs/ 2>&1 | grep ERROR) # no better way?!
+                  if [ $errors ]; then
+                    exit 1
+                  fi
+                '');
+              };
             };
           };
         };