diff --git a/third_party/default.nix b/third_party/default.nix
index 40461c57fa..b1885a0e0d 100644
--- a/third_party/default.nix
+++ b/third_party/default.nix
@@ -35,6 +35,8 @@ let
     rev = "e0fe990b478a66178a58c69cf53daec0478ca6f9";
     sha256 = "sha256:0qjyfmw5v7s6ynjns4a61vlyj9cghj7vbpgrp9147ngb1f8krz2c";
   };
+
+  tvlDepot = import ./tvl { nixpkgsBisectPath = ./nixpkgs; };
 in
 rec {
   inherit nixpkgsConfig nixpkgs;
@@ -60,14 +62,13 @@ rec {
         };
     };
   readTree = import ./tvl/nix/readTree {};
-  gopkgs = readTree ch ./gopkgs;
-
-  bat_syntaxes = import ./tvl/third_party/bat_syntaxes { pkgs = ch.depot.pkgs; };
-  cheddar = import ./tvl/tools/cheddar {
-    pkgs = ch.depot.pkgs // {
-      inherit naersk bat_syntaxes;
-    };
+  gopkgs = readTree {
+    args = ch;
+    path = ./gopkgs;
   };
+
+  bat_syntaxes = tvlDepot.third_party.bat_syntaxes;
+  cheddar = tvlDepot.tools.cheddar;
   naersk = nixpkgs.callPackage naerskSrc {};
 
   crate2nix = import "${crate2nixSrc}" { pkgs = ch.depot.pkgs; };
diff --git a/third_party/tvl/copy.bara.sky b/third_party/tvl/copy.bara.sky
index bd3e98b778..be172f47a0 100644
--- a/third_party/tvl/copy.bara.sky
+++ b/third_party/tvl/copy.bara.sky
@@ -9,6 +9,10 @@ core.workflow(
         fetch = "default",
         push = "default",
     ),
+    origin_files = glob(["**"], exclude = [
+        "nix/utils/tests/**",  # nix/utils/tests/missing makes everything barf
+	"users/**",
+    ]),
     destination_files = glob(["third_party/tvl/**"], exclude = [
         "third_party/tvl/copy.bara.sky",
         "third_party/tvl/patches/**",
diff --git a/third_party/tvl/nix/buildGo/default.nix b/third_party/tvl/nix/buildGo/default.nix
index 92951b3cb2..f8928f25fb 100644
--- a/third_party/tvl/nix/buildGo/default.nix
+++ b/third_party/tvl/nix/buildGo/default.nix
@@ -5,6 +5,7 @@
 # rules_go.
 
 { pkgs ? import <nixpkgs> { }
+, gopkgs
 , ...
 }:
 
@@ -110,23 +111,43 @@ let
 
   # Import support libraries needed for protobuf & gRPC support
   protoLibs = import ./proto.nix {
-    inherit external;
+    inherit gopkgs;
   };
 
   # Build a Go library out of the specified protobuf definition.
-  proto = { name, proto, path ? name, goPackage ? name, extraDeps ? [ ] }: (makeOverridable package) {
+  proto = { name, proto ? null, protos ? [ proto ], path ? name, goPackage ? name, withGrpc ? false, extraSrcs ? [], extraDeps ? [] }:
+  let
+    protosDir = runCommand "protos" {} ''
+      mkdir $out
+      ${lib.concatMapStrings (p: "cp ${p} $out/${baseNameOf p}\n") protos}
+    '';
+    mname = prefix: lib.concatMapStrings (p: "${prefix}M${baseNameOf p}=${path} ") protos;
+  in (makeOverridable package) {
     inherit name path;
     deps = [ protoLibs.goProto.proto.gopkg ] ++ extraDeps;
-    srcs = lib.singleton (runCommand "goproto-${name}.pb.go" { } ''
-      cp ${proto} ${baseNameOf proto}
-      ${protobuf}/bin/protoc --plugin=${protoLibs.goProto.protoc-gen-go.gopkg}/bin/protoc-gen-go \
-        --go_out=plugins=grpc,import_path=${baseNameOf path}:. ${baseNameOf proto}
-      mv ./${goPackage}/*.pb.go $out
-    '');
+    srcs = lib.concatMap (proto: lib.singleton (runCommand "goproto-${name}-${baseNameOf proto}.pb.go" {} ''
+      ${protobuf}/bin/protoc \
+        -I ${protosDir} \
+        --plugin=${protoLibs.goProto.cmd.protoc-gen-go.gopkg}/bin/protoc-gen-go \
+        --go_out=. \
+        --go_opt=paths=source_relative \
+        ${mname "--go_opt="} \
+        ${protosDir}/${baseNameOf proto}
+      mv ./*.pb.go $out
+    '') ++ lib.optional withGrpc (runCommand "gogrpcproto-${name}-${baseNameOf proto}.pb.go" {} ''
+      ${protobuf}/bin/protoc \
+        -I ${protosDir} \
+        --plugin=${protoLibs.goGrpc.cmd.protoc-gen-go-grpc.gopkg}/bin/protoc-gen-go-grpc \
+        --go-grpc_out=. \
+        --go-grpc_opt=paths=source_relative \
+        ${mname "--go-grpc_opt="} \
+        ${protosDir}/${baseNameOf proto}
+      mv ./*.pb.go $out 2>/dev/null || echo "package ${goPackage}" >> $out
+    '')) protos ++ extraSrcs;
   };
 
   # Build a Go library out of the specified gRPC definition.
-  grpc = args: proto (args // { extraDeps = [ protoLibs.goGrpc.gopkg ]; });
+  grpc = { extraDeps ? [], ... }@args: proto (args // { withGrpc = true; extraDeps = extraDeps ++ [ protoLibs.goGrpc.gopkg ]; });
 
 in
 {
diff --git a/third_party/tvl/nix/buildGo/proto.nix b/third_party/tvl/nix/buildGo/proto.nix
index 6c37f758ce..92036faa81 100644
--- a/third_party/tvl/nix/buildGo/proto.nix
+++ b/third_party/tvl/nix/buildGo/proto.nix
@@ -4,84 +4,11 @@
 # This file provides derivations for the dependencies of a gRPC
 # service in Go.
 
-{ external }:
+{ gopkgs }:
 
 let
   inherit (builtins) fetchGit map;
-in
-rec {
-  goProto = external {
-    path = "github.com/golang/protobuf";
-    src = fetchGit {
-      url = "https://github.com/golang/protobuf";
-      rev = "ed6926b37a637426117ccab59282c3839528a700";
-    };
-  };
-
-  xnet = external {
-    path = "golang.org/x/net";
-
-    src = fetchGit {
-      url = "https://go.googlesource.com/net";
-      rev = "ffdde105785063a81acd95bdf89ea53f6e0aac2d";
-    };
-
-    deps = [
-      xtext.secure.bidirule
-      xtext.unicode.bidi
-      xtext.unicode.norm
-    ];
-  };
-
-  xsys = external {
-    path = "golang.org/x/sys";
-    src = fetchGit {
-      url = "https://go.googlesource.com/sys";
-      rev = "bd437916bb0eb726b873ee8e9b2dcf212d32e2fd";
-    };
-  };
-
-  xtext = external {
-    path = "golang.org/x/text";
-    src = fetchGit {
-      url = "https://go.googlesource.com/text";
-      rev = "cbf43d21aaebfdfeb81d91a5f444d13a3046e686";
-    };
-  };
-
-  genproto = external {
-    path = "google.golang.org/genproto";
-    src = fetchGit {
-      url = "https://github.com/google/go-genproto";
-      # necessary because https://github.com/NixOS/nix/issues/1923
-      ref = "main";
-      rev = "83cc0476cb11ea0da33dacd4c6354ab192de6fe6";
-    };
-
-    deps = with goProto; [
-      proto
-      ptypes.any
-    ];
-  };
-
-  goGrpc = external {
-    path = "google.golang.org/grpc";
-    deps = ([
-      xnet.trace
-      xnet.http2
-      xsys.unix
-      xnet.http2.hpack
-      genproto.googleapis.rpc.status
-    ] ++ (with goProto; [
-      proto
-      ptypes
-      ptypes.duration
-      ptypes.timestamp
-    ]));
-
-    src = fetchGit {
-      url = "https://github.com/grpc/grpc-go";
-      rev = "d8e3da36ac481ef00e510ca119f6b68177713689";
-    };
-  };
+in rec {
+  goProto = gopkgs."google.golang.org".protobuf;
+  goGrpc = gopkgs."google.golang.org".grpc;
 }