From 60cdf46ba808f78d2774077c4c5e3ac1284b0f99 Mon Sep 17 00:00:00 2001
From: Alex Gaynor <alex.gaynor@gmail.com>
Date: Sat, 21 Jan 2023 10:45:57 -0500
Subject: [PATCH] Also enable sparse registries with the _new_ environment
 variable

Changed yesterday: https://github.com/rust-lang/cargo/pull/11224
---
 action.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/action.yml b/action.yml
index 5a671c2..91c9bbf 100644
--- a/action.yml
+++ b/action.yml
@@ -93,6 +93,7 @@ runs:
     - run: |
         : enable Cargo sparse registry
         echo CARGO_UNSTABLE_SPARSE_REGISTRY=true >> $GITHUB_ENV
+        echo REGISTRIES_CRATES_IO_PROTOCOL=sparse >> $GITHUB_ENV
       shell: bash
 
     - run: rustc +${{steps.parse.outputs.toolchain}} --version --verbose