From ef8566f38b422f92759cdbaa5510c06fdb49106e Mon Sep 17 00:00:00 2001
From: Yarny0 <41838844+Yarny0@users.noreply.github.com>
Date: Wed, 7 Jul 2021 20:25:53 +0200
Subject: [PATCH] cups-drv-rastertosag-gdi (cups driver): patch ppd bin paths

The `cups-drv-rastertosag-gdi` CUPS printer driver
package provides a filter executable `rastertosag-gdi`
and two ppd files that reference the filter file.
The commit at hand uses `patchPpdFilesHook` to
replace calls to the filter executable with
absolute paths to increase package purity.
---
 pkgs/misc/cups/drivers/cups-drv-rastertosag-gdi/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/misc/cups/drivers/cups-drv-rastertosag-gdi/default.nix b/pkgs/misc/cups/drivers/cups-drv-rastertosag-gdi/default.nix
index 2032fa8457d4..4f1ad6c9911e 100644
--- a/pkgs/misc/cups/drivers/cups-drv-rastertosag-gdi/default.nix
+++ b/pkgs/misc/cups/drivers/cups-drv-rastertosag-gdi/default.nix
@@ -3,6 +3,7 @@
 , fetchpatch
 , cups
 , python3Packages
+, patchPpdFilesHook
 }:
 
 python3Packages.buildPythonApplication rec {
@@ -20,7 +21,7 @@ python3Packages.buildPythonApplication rec {
     })
   ];
   format = "other";
-  nativeBuildInputs = [ (lib.getBin cups) ];
+  nativeBuildInputs = [ (lib.getBin cups) patchPpdFilesHook ];
   # The source image also brings pre-built ppd files,
   # but we prefer to generate from source where possible, so
   # the following line generates ppd files from the drv file.
@@ -35,6 +36,7 @@ python3Packages.buildPythonApplication rec {
     ln -vst "${placeholder "out"}/lib/cups/filter/" "${placeholder "out"}/bin/rastertosag-gdi"
     runHook postInstall
   '';
+  ppdFileCommands = [ "rastertosag-gdi" ];
   postFixup = ''
     gzip -9nv "${placeholder "out"}/share/cups/model/rastertosag-gdi"/*.ppd
   '';