From 14083a085771ef218cef5f4b5df4c95b65e6e319 Mon Sep 17 00:00:00 2001
From: Robert Helgesson <robert@rycee.net>
Date: Sun, 5 Nov 2017 19:31:07 +0100
Subject: [PATCH] home-manager: refuse build if CWD is read-only

This produces a clearer error message than produced by Nix.

Fixes #116.
---
 home-manager/home-manager | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/home-manager/home-manager b/home-manager/home-manager
index d3ef4dfc..7161f171 100644
--- a/home-manager/home-manager
+++ b/home-manager/home-manager
@@ -113,6 +113,11 @@ function presentNews() {
 }
 
 function doBuild() {
+    if [[ ! -w . ]]; then
+        errorEcho "Cannot run build in read-only directory";
+        return 1
+    fi
+
     local newsInfo
     newsInfo=$(buildNews)