From b6cb681c0b98fff8397b3ad4270b8d1ab2defa0b Mon Sep 17 00:00:00 2001
From: Griffin Smith <grfn@gws.fyi>
Date: Wed, 15 Jul 2020 22:09:16 -0400
Subject: [PATCH] feat(3p/nix): Add QueryValidDerivers

Change-Id: I52965bdbf143ae11201e1fafed1c25b3d8f1bee9
Reviewed-on: https://cl.tvl.fyi/c/depot/+/1204
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>
---
 third_party/nix/src/proto/worker.proto | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/third_party/nix/src/proto/worker.proto b/third_party/nix/src/proto/worker.proto
index d018fe247..d3e8f65f2 100644
--- a/third_party/nix/src/proto/worker.proto
+++ b/third_party/nix/src/proto/worker.proto
@@ -74,6 +74,10 @@ service Worker {
 
   // Query which of the given paths have substitutes.
   rpc QuerySubstitutablePaths(StorePaths) returns (StorePaths);
+
+  // Return all currently valid derivations that have the given store path as an
+  // output.
+  rpc QueryValidDerivers(StorePath) returns (StorePaths);
 }
 
 enum HashType {