From 3e499b7b657c6063bdaa7f77bd706acefcdc0a36 Mon Sep 17 00:00:00 2001
From: Charles Strahan <charles.c.strahan@gmail.com>
Date: Sun, 26 Oct 2014 20:13:38 +0000
Subject: [PATCH] silence rm failures

---
 pkgs/development/interpreters/ruby/gem.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/interpreters/ruby/gem.nix b/pkgs/development/interpreters/ruby/gem.nix
index ed898b65400e..dcef9ab592f6 100644
--- a/pkgs/development/interpreters/ruby/gem.nix
+++ b/pkgs/development/interpreters/ruby/gem.nix
@@ -70,8 +70,8 @@ in ruby.stdenv.mkDerivation (attrs // {
     done
 
     # looks like useless files which break build repeatability and consume space
-    rm $out/${ruby.gemPath}/doc/*/*/created.rid || true
-    rm $out/${ruby.gemPath}/gems/*/ext/*/mkmf.log || true
+    rm -f $out/${ruby.gemPath}/doc/*/*/created.rid || true
+    rm -f $out/${ruby.gemPath}/gems/*/ext/*/mkmf.log || true
 
     mkdir -p $out/nix-support