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-rw-r--r--third_party/nix/src/libstore/derivations.cc30
1 files changed, 30 insertions, 0 deletions
diff --git a/third_party/nix/src/libstore/derivations.cc b/third_party/nix/src/libstore/derivations.cc
index b7dcded3de5e..0b7f5d092c43 100644
--- a/third_party/nix/src/libstore/derivations.cc
+++ b/third_party/nix/src/libstore/derivations.cc
@@ -5,6 +5,7 @@
 #include <absl/strings/string_view.h>
 #include <glog/logging.h>
 
+#include "libproto/worker.pb.h"
 #include "libstore/fs-accessor.hh"
 #include "libstore/globals.hh"
 #include "libstore/store-api.hh"
@@ -33,6 +34,14 @@ void DerivationOutput::parseHashInfo(bool& recursive, Hash& hash) const {
   hash = Hash::unwrap_throw(hash_);
 }
 
+nix::proto::Derivation_DerivationOutput DerivationOutput::to_proto() const {
+  nix::proto::Derivation_DerivationOutput result;
+  result.mutable_path()->set_path(path);
+  result.set_hash_algo(hashAlgo);
+  result.set_hash(hash);
+  return result;
+}
+
 BasicDerivation BasicDerivation::from_proto(
     const nix::proto::Derivation* proto_derivation, const nix::Store& store) {
   BasicDerivation result;
@@ -57,6 +66,27 @@ BasicDerivation BasicDerivation::from_proto(
   return result;
 }
 
+nix::proto::Derivation BasicDerivation::to_proto() const {
+  nix::proto::Derivation result;
+  for (const auto& [key, output] : outputs) {
+    result.mutable_outputs()->insert({key, output.to_proto()});
+  }
+  for (const auto& input_src : inputSrcs) {
+    result.mutable_input_sources()->add_paths(input_src);
+  }
+  result.set_platform(platform);
+  result.mutable_builder()->set_path(builder);
+  for (const auto& arg : args) {
+    result.add_args(arg);
+  }
+
+  for (const auto& [key, value] : env) {
+    result.mutable_env()->insert({key, value});
+  }
+
+  return result;
+}
+
 Path BasicDerivation::findOutput(const std::string& id) const {
   auto i = outputs.find(id);
   if (i == outputs.end()) {