libredwg: 0.12.4 -> 0.12.5

pkgs/development/libraries/libredwg/default.nix

@@ -1,21 +1,41 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config, texinfo, pcre2
-, enablePython ? false, python ? null, swig, libxml2, ncurses
+{ lib
+, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, writeShellScript
+, pkg-config
+, texinfo
+, pcre2
+, swig
+, libxml2
+, ncurses
+, enablePython ? false
+, python ? null
 }:
 let
   isPython3 = enablePython && python.pythonAtLeast "3";
 in
 stdenv.mkDerivation rec {
   pname = "libredwg";
-  version = "0.12.4";
+  version = "0.12.5";
 
   src = fetchFromGitHub {
     owner = "LibreDWG";
     repo = pname;
     rev = version;
-    sha256 = "sha256-CZZ5/uCls2tY3PKmD+hBBvp7d7KX8nZuCPf03sa4iXc=";
+    sha256 = "sha256-s9aiOKSM7+3LJNE+jRrEMcL1QKRWrlTKbwO7oL9VhuE=";
     fetchSubmodules = true;
   };
 
+  postPatch = let
+    printVersion = writeShellScript "print-version" ''
+      echo ${lib.escapeShellArg version}
+    '';
+  in ''
+    # avoid git dependency
+    cp ${printVersion} build-aux/git-version-gen
+  '';
+
   nativeBuildInputs = [ autoreconfHook pkg-config texinfo ]
     ++ lib.optional enablePython swig;