From 2dfffd1700e6c482ca1a4e23e85afdc4e12f9ea7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sandro=20J=C3=A4ckel?= <sandro.jaeckel@gmail.com>
Date: Sat, 30 Apr 2022 02:31:15 +0200
Subject: [PATCH] namecoin: fix version parsing for nix-env, reduce with lib
 usage

---
 pkgs/applications/blockchains/namecoin/default.nix | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/pkgs/applications/blockchains/namecoin/default.nix b/pkgs/applications/blockchains/namecoin/default.nix
index d5c739e00f4a..e9b9d1044107 100644
--- a/pkgs/applications/blockchains/namecoin/default.nix
+++ b/pkgs/applications/blockchains/namecoin/default.nix
@@ -1,15 +1,14 @@
 { lib, stdenv, fetchFromGitHub, openssl, boost, libevent, autoreconfHook, db4, miniupnpc, eject, pkg-config, qt4, protobuf, qrencode, hexdump
 , withGui }:
 
-with lib;
 stdenv.mkDerivation rec {
-  pname = "namecoin" + optionalString (!withGui) "d";
-  version = "nc22.0";
+  pname = "namecoin" + lib.optionalString (!withGui) "d";
+  version = "22.0";
 
   src = fetchFromGitHub {
     owner = "namecoin";
     repo = "namecoin-core";
-    rev = version;
+    rev = "nc${version}";
     sha256 = "sha256-Z3CLDe0c4IpFPPTie8yoh0kcuvGmiegSgl4ITNSDkgY=";
   };
 
@@ -26,7 +25,7 @@ stdenv.mkDerivation rec {
     db4
     miniupnpc
     eject
-  ] ++ optionals withGui [
+  ] ++ lib.optionals withGui [
     qt4
     protobuf
     qrencode
@@ -38,7 +37,7 @@ stdenv.mkDerivation rec {
     "--with-boost-libdir=${boost.out}/lib"
   ];
 
-  meta = {
+  meta = with lib; {
     description = "Decentralized open source information registration and transfer system based on the Bitcoin cryptocurrency";
     homepage = "https://namecoin.org";
     license = licenses.mit;