dotnet-sdk-setup-hook: move nuget configuration from dotnetBuildModule

pkgs/build-support/dotnet/build-dotnet-module/hooks/dotnet-configure-hook.sh

@@ -38,18 +38,6 @@ dotnetConfigureHook() {
         done
     }
 
-    find -iname nuget.config -print0 | while IFS= read -rd "" config; do
-        if [[ -n "${keepNugetConfig-}" ]]; then
-            # If we're keeping the existing configs, we'll add _nix everywhere,
-            # in case sources are cleared.
-            dotnet nuget add source "$nugetSource" -n _nix --configfile "$config"
-        else
-            # This will allow everything to fall through to our config in the
-            # build root. Deleting them causes some build failures.
-            xq -xi '.configuration={}' "$config"
-        fi
-    done
-
     if [[ -f .config/dotnet-tools.json || -f dotnet-tools.json ]]; then
         dotnet tool restore
     fi

pkgs/development/compilers/dotnet/common.nix

@@ -17,6 +17,7 @@
 , lndir
 , substituteAll
 , nugetPackageHook
+, xmlstarlet
 }: type: args: stdenv.mkDerivation (finalAttrs: args // {
   doInstallCheck = true;
 
@@ -30,7 +31,7 @@
     ./dotnet-setup-hook.sh
   ] ++ lib.optional (type == "sdk") (substituteAll {
     src = ./dotnet-sdk-setup-hook.sh;
-    inherit lndir;
+    inherit lndir xmlstarlet;
   });
 
   propagatedBuildInputs =

pkgs/development/compilers/dotnet/dotnet-sdk-setup-hook.sh

@@ -42,6 +42,7 @@ createNugetDirs() {
     fi
 
     dotnet nuget add source "$nugetSource" -n _nix
+    nugetConfig=$PWD/nuget.config
 }
 
 configureNuget() {
@@ -57,6 +58,21 @@ configureNuget() {
         fi
     done
 
+    find -iname nuget.config -print0 | while IFS= read -rd "" config; do
+        if [[ -n ${keepNugetConfig-} ]]; then
+            # If we're keeping the existing configs, we'll add _nix everywhere,
+            # in case sources are cleared.
+            dotnet nuget add source "$nugetSource" -n _nix --configfile "$config"
+        else
+            # This will allow everything to fall through to our config in the
+            # build root. Deleting them causes some build failures.
+            @xmlstarlet@/bin/xmlstarlet \
+                ed --inplace \
+                -d '//configuration/*' \
+                "$config"
+        fi
+    done
+
     if [[ -n ${linkNugetPackages-}
         || -f .config/dotnet-tools.json
         || -f dotnet-tools.json