From cdc21b4b313b082d7cfb859b74dda3182e000ec5 Mon Sep 17 00:00:00 2001
From: "Andrew J. Hesford" <ajh@sideband.org>
Date: Thu, 18 May 2023 06:41:16 -0400
Subject: [PATCH] maturin: use sparse index-protocol with cargo

---
 srcpkgs/maturin/template | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/srcpkgs/maturin/template b/srcpkgs/maturin/template
index 26dee81cdb7..c8863f56181 100644
--- a/srcpkgs/maturin/template
+++ b/srcpkgs/maturin/template
@@ -16,6 +16,8 @@ checksum=605cfe879c68295eedcf0e874676c469dab34f293d58c496ad9c99e64da9cc0e
 # Tests use unstable features and fail to build
 make_check=no
 
+export CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse
+
 if [ "$CROSS_BUILD" ]; then
 	makedepends+=" rust-std"
 fi