From 09f33a43896fd4baaf3eaa299e6e1e1d5944d3a2 Mon Sep 17 00:00:00 2001
From: Nikolay Amiantov <ab@fmap.me>
Date: Mon, 6 Oct 2014 18:28:32 +0400
Subject: [PATCH] substituteAllFiles: add derivation

Closes #4145
---
 .../substitute-files/substitute-all-files.nix | 22 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  4 ++++
 2 files changed, 26 insertions(+)
 create mode 100644 pkgs/build-support/substitute-files/substitute-all-files.nix

diff --git a/pkgs/build-support/substitute-files/substitute-all-files.nix b/pkgs/build-support/substitute-files/substitute-all-files.nix
new file mode 100644
index 00000000000..64291901603
--- /dev/null
+++ b/pkgs/build-support/substitute-files/substitute-all-files.nix
@@ -0,0 +1,22 @@
+{ stdenv }:
+
+args:
+
+stdenv.mkDerivation ({
+  name = if args ? name then args.name else baseNameOf (toString args.src);
+  builder = with stdenv.lib; builtins.toFile "builder.sh" ''
+    source $stdenv/setup
+    set -o pipefail
+
+    eval "$preInstall"
+
+    args=
+
+    cd "$src"
+    echo -ne "${concatStringsSep "\\0" args.files}" | xargs -0 -n1 -I {} -- find {} -type f -print0 | while read -d "" line; do
+      mkdir -p "$out/$(dirname "$line")"
+      substituteAll "$line" "$out/$line"
+    done
+  '';
+  preferLocalBuild = true;
+} // args)
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 73b2127f949..7c7863bf7ac 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -401,6 +401,10 @@ let
     inherit stdenv;
   };
 
+  substituteAllFiles = import ../build-support/substitute-files/substitute-all-files.nix {
+    inherit stdenv;
+  };
+
   replaceDependency = import ../build-support/replace-dependency.nix {
     inherit runCommand nix lib;
   };