From fdfbb4671ebbe47771261417ee69ad2957003d2e Mon Sep 17 00:00:00 2001
From: Alyssa Ross <hi@alyssa.is>
Date: Mon, 2 Dec 2019 21:24:40 +0000
Subject: [PATCH] rustPlatform: forward unpackPhase to fetchcargo

If a custom unpackPhase is used for the package, it needs to also be
used for fetchcargo so the same source is available for vendoring.
---
 pkgs/build-support/rust/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/build-support/rust/default.nix b/pkgs/build-support/rust/default.nix
index 1d8e4448674..f9cf8f1f0c1 100644
--- a/pkgs/build-support/rust/default.nix
+++ b/pkgs/build-support/rust/default.nix
@@ -4,6 +4,7 @@
 , cargoSha256 ? "unset"
 , src ? null
 , srcs ? null
+, unpackPhase ? null
 , cargoPatches ? []
 , patches ? []
 , sourceRoot ? null
@@ -29,7 +30,7 @@ assert buildType == "release" || buildType == "debug";
 let
   cargoDeps = if cargoVendorDir == null
     then fetchcargo {
-        inherit name src srcs sourceRoot cargoUpdateHook;
+        inherit name src srcs sourceRoot unpackPhase cargoUpdateHook;
         copyLockfile = verifyCargoDeps;
         patches = cargoPatches;
         sha256 = cargoSha256;