From 1bea1a30b5d372289595292c861cea0317a646b5 Mon Sep 17 00:00:00 2001
From: Mike Sperber <sperber@deinprogramm.de>
Date: Tue, 14 Jan 2020 13:15:17 +0100
Subject: [PATCH] vagrant: Unbreak replacing symlinks on macOS

On a local installation on macOS, "cp -a" creates a write-protected
directory, which can't be renamed.  Do a "chmod +w" to unbreak.

Fixes #77671.
---
 pkgs/development/tools/vagrant/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/tools/vagrant/default.nix b/pkgs/development/tools/vagrant/default.nix
index 4ef723c9a1fa..ea3382f3e706 100644
--- a/pkgs/development/tools/vagrant/default.nix
+++ b/pkgs/development/tools/vagrant/default.nix
@@ -33,6 +33,8 @@ let
       for gem in "$out"/lib/ruby/gems/*/gems/*; do
         cp -a "$gem/" "$gem.new"
         rm "$gem"
+        # needed on macOS, otherwise the mv yields permission denied 
+        chmod +w "$gem.new"
         mv "$gem.new" "$gem"
       done
     '';