From 72635ede98f767e9bfd59dde6bab6b3b72443a32 Mon Sep 17 00:00:00 2001
From: David Guibert <david.guibert@gmail.com>
Date: Fri, 29 Apr 2022 09:58:01 +0200
Subject: [PATCH] workaround nixpkgs 144747 (updated)

---
 nixpkgs/overlay.nix | 65 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)

diff --git a/nixpkgs/overlay.nix b/nixpkgs/overlay.nix
index 694fd2e..9379f1c 100644
--- a/nixpkgs/overlay.nix
+++ b/nixpkgs/overlay.nix
@@ -22,6 +22,70 @@ with pkgs;
     doInstallCheck = false;
   });
 
+  # `fetchurl' downloads a file from the network.
+  fetchurl = if stdenv.buildPlatform != stdenv.hostPlatform
+    then buildPackages.fetchurl # No need to do special overrides twice,
+    else makeOverridable (import (pkgs.path + "/pkgs/build-support/fetchurl")) {
+      inherit lib stdenvNoCC buildPackages;
+      inherit cacert;
+      curl = buildPackages.curlMinimal.override (old: rec {
+        # break dependency cycles
+        fetchurl = stdenv.fetchurlBoot;
+        zlib = buildPackages.zlib.override { fetchurl = stdenv.fetchurlBoot; };
+        pkg-config = buildPackages.pkg-config.override (old: {
+          pkg-config = old.pkg-config.override {
+            fetchurl = stdenv.fetchurlBoot;
+          };
+        });
+        perl = buildPackages.perl.override { fetchurl = stdenv.fetchurlBoot; inherit zlib; };
+        openssl = buildPackages.openssl.override {
+          fetchurl = stdenv.fetchurlBoot;
+          buildPackages = {
+            coreutils = (buildPackages.coreutils.override rec {
+              fetchurl = stdenv.fetchurlBoot;
+              inherit perl;
+              xz = buildPackages.xz.override { fetchurl = stdenv.fetchurlBoot; };
+              gmp = null;
+              aclSupport = false;
+              attrSupport = false;
+              autoreconfHook = null; # workaround nixpkgs #144747
+              texinfo = null;
+            }).overrideAttrs (_: {
+              preBuild = "touch Makefile.in"; # avoid automake
+            });
+            inherit perl;
+          };
+          inherit perl;
+        };
+        libssh2 = buildPackages.libssh2.override {
+          fetchurl = stdenv.fetchurlBoot;
+          inherit zlib openssl;
+        };
+        # On darwin, libkrb5 needs bootstrap_cmds which would require
+        # converting many packages to fetchurl_boot to avoid evaluation cycles.
+        # So turn gssSupport off there, and on Windows.
+        # On other platforms, keep the previous value.
+        gssSupport =
+          if stdenv.isDarwin || stdenv.hostPlatform.isWindows
+            then false
+            else old.gssSupport or true; # `? true` is the default
+        libkrb5 = buildPackages.libkrb5.override {
+          fetchurl = stdenv.fetchurlBoot;
+          inherit pkg-config perl openssl;
+          keyutils = buildPackages.keyutils.override { fetchurl = stdenv.fetchurlBoot; };
+        };
+        nghttp2 = buildPackages.nghttp2.override {
+          fetchurl = stdenv.fetchurlBoot;
+          inherit pkg-config;
+          enableApp = false; # curl just needs libnghttp2
+          enableTests = false; # avoids bringing `cunit` and `tzdata` into scope
+        };
+      });
+    };  git = git.overrideAttrs (old: {
+    doCheck = false; # failure
+    doInstallCheck = false; # failure
+  });
+
   gtk3 = gtk3.override {
     trackerSupport = false;
   };
@@ -57,3 +121,4 @@ with pkgs;
       "-DEMBREE_ISA_SSE42=OFF"];
   });
 }
+