From 31d75ec2539fd4652b9bebd6bac9f23a45eba5e9 Mon Sep 17 00:00:00 2001
From: Ivan Mincik <ivan.mincik@gmail.com>
Date: Fri, 23 Feb 2024 16:39:04 +0100
Subject: [PATCH] pg_featureserv: install assets and configuration file

---
 .../geospatial/pg_featureserv/default.nix     | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/pkgs/servers/geospatial/pg_featureserv/default.nix b/pkgs/servers/geospatial/pg_featureserv/default.nix
index b6e68eb946e2..04a226650ac5 100644
--- a/pkgs/servers/geospatial/pg_featureserv/default.nix
+++ b/pkgs/servers/geospatial/pg_featureserv/default.nix
@@ -13,8 +13,28 @@ buildGoModule rec {
 
   vendorHash = "sha256-BHiEVyi3FXPovYy3iDP8q+y+LgfI4ElDPVZexd7nnuo=";
 
+  postPatch = ''
+    # fix default configuration file location
+    substituteInPlace \
+      internal/conf/config.go \
+      --replace-fail "viper.AddConfigPath(\"/etc\")" "viper.AddConfigPath(\"$out/share/config\")"
+
+    # fix assets location in configuration file
+    substituteInPlace \
+      config/pg_featureserv.toml.example \
+      --replace-fail "AssetsPath = \"./assets\"" "AssetsPath = \"$out/share/assets\""
+  '';
+
   ldflags = [ "-s" "-w" "-X github.com/CrunchyData/pg_featureserv/conf.setVersion=${version}" ];
 
+  postInstall = ''
+    mkdir -p $out/share
+    cp -r assets $out/share
+
+    mkdir -p $out/share/config
+    cp config/pg_featureserv.toml.example $out/share/config/pg_featureserv.toml
+  '';
+
   meta = with lib; {
     description = "Lightweight RESTful Geospatial Feature Server for PostGIS in Go";
     homepage = "https://github.com/CrunchyData/pg_featureserv";