From 0d5806fefd312d904c9f8b49c728a3072678a87e Mon Sep 17 00:00:00 2001
From: Maximilian Bosch <maximilian@mbosch.me>
Date: Sat, 14 Sep 2019 14:59:00 +0200
Subject: [PATCH] paperless: fix cors header

`django-cors-headers` 3.x (which is used in nixpkgs) requires a scheme
for allowed hosts. Upstream uses 2.4, however we create the python env
with Nix, so the source needs to be patched accordingly.
---
 pkgs/applications/office/paperless/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/applications/office/paperless/default.nix b/pkgs/applications/office/paperless/default.nix
index af2fd82ddb0..97088f36041 100644
--- a/pkgs/applications/office/paperless/default.nix
+++ b/pkgs/applications/office/paperless/default.nix
@@ -57,6 +57,12 @@ let
       cp -r --no-preserve=mode $src/src/* $src/LICENSE $srcDir
     '';
 
+    postPatch = ''
+      # django-cors-headers 3.x requires a scheme for allowed hosts
+      substituteInPlace $out/share/paperless/paperless/settings.py \
+        --replace "localhost:8080" "http://localhost:8080"
+    '';
+
     buildPhase = let
       # Paperless has explicit runtime checks that expect these binaries to be in PATH
       extraBin = lib.makeBinPath [ imagemagick7 ghostscript optipng tesseract unpaper ];