From e4fdd9d101aa7343f1b7f872a70352336a3f2d0f Mon Sep 17 00:00:00 2001
From: Christian Ulrich <christian@ulrich.earth>
Date: Sat, 8 Jun 2019 15:36:36 +0200
Subject: [PATCH] grant write permissions to the build user

---
 pkgs/nim-packages/generic.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/nim-packages/generic.nix b/pkgs/nim-packages/generic.nix
index 9fffa84..c658e05 100644
--- a/pkgs/nim-packages/generic.nix
+++ b/pkgs/nim-packages/generic.nix
@@ -34,6 +34,8 @@ stdenv.mkDerivation {
       else
         cp -R ${dep} $HOME/.nimble/pkgs/${dep.name}
       fi
+      # nimble >= 0.20.0 wants to store a nimblemeta.json here
+      chmod u+w $HOME/.nimble/pkgs/${dep.name}
     ''
     ) nimDeps) + ''
     nimble install