[PR PATCH] build-style/cargo: use env var to select sparse index mode

[PR PATCH] build-style/cargo: use env var to select sparse index mode

[tranzystorek-io]

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There is a new pull request by tranzystorek-io against master on the void-packages repository

https://github.com/tranzystorek-io/void-packages cargo-index-env
https://github.com/void-linux/void-packages/pull/43187

build-style/cargo: use env var to select sparse index mode
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#### Testing the changes
- I tested the changes in this PR: **YES**

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A patch file from https://github.com/void-linux/void-packages/pull/43187.patch is attached

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From a05531fe002d9188c14e62dde3c2e66a3c86b979 Mon Sep 17 00:00:00 2001
From: Marcin Puc <tranzystorek.io@protonmail.com>
Date: Sun, 2 Apr 2023 12:28:59 +0200
Subject: [PATCH] build-style/cargo: use env var to select sparse index mode

---
 common/build-style/cargo.sh             | 6 +++---
 common/environment/build-style/cargo.sh | 2 ++
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/common/build-style/cargo.sh b/common/build-style/cargo.sh
index 9f30a1e5c2d5..387e711060bc 100644
--- a/common/build-style/cargo.sh
+++ b/common/build-style/cargo.sh
@@ -5,13 +5,13 @@
 do_build() {
 	: ${make_cmd:=cargo auditable}
 
-	${make_cmd} --config 'registries.crates-io.protocol="sparse"' build --release --target ${RUST_TARGET} ${configure_args}
+	${make_cmd} build --release --target ${RUST_TARGET} ${configure_args}
 }
 
 do_check() {
 	: ${make_cmd:=cargo auditable}
 
-	${make_check_pre} ${make_cmd} --config 'registries.crates-io.protocol="sparse"' test --release --target ${RUST_TARGET} ${configure_args} \
+	${make_check_pre} ${make_cmd} test --release --target ${RUST_TARGET} ${configure_args} \
 		${make_check_args}
 }
 
@@ -19,7 +19,7 @@ do_install() {
 	: ${make_cmd:=cargo auditable}
 	: ${make_install_args:=--path .}
 
-	${make_cmd} --config 'registries.crates-io.protocol="sparse"' install --target ${RUST_TARGET} --root="${DESTDIR}/usr" \
+	${make_cmd} install --target ${RUST_TARGET} --root="${DESTDIR}/usr" \
 		--offline --locked ${configure_args} ${make_install_args}
 
 	rm -f "${DESTDIR}"/usr/.crates.toml
diff --git a/common/environment/build-style/cargo.sh b/common/environment/build-style/cargo.sh
index 473750c7a359..bc836b06cf06 100644
--- a/common/environment/build-style/cargo.sh
+++ b/common/environment/build-style/cargo.sh
@@ -8,4 +8,6 @@ if [ "$CROSS_BUILD" ]; then
 	makedepends+=" rust-std"
 fi
 
+export CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse
+
 build_helper+=" rust"

Re: [PR PATCH] [Merged]: build-style/cargo: use env var to select sparse index mode

[classabbyamp]

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There's a merged pull request on the void-packages repository

build-style/cargo: use env var to select sparse index mode
https://github.com/void-linux/void-packages/pull/43187

Description:
<!-- Uncomment relevant sections and delete options which are not applicable -->

#### Testing the changes
- I tested the changes in this PR: **YES**

<!--
#### New package
- This new package conforms to the [package requirements](https://github.com/void-linux/void-packages/blob/master/CONTRIBUTING.md#package-requirements): **YES**|**NO**
-->

<!-- Note: If the build is likely to take more than 2 hours, please add ci skip tag as described in
https://github.com/void-linux/void-packages/blob/master/CONTRIBUTING.md#continuous-integration
and test at least one native build and, if supported, at least one cross build.
Ignore this section if this PR is not skipping CI.
-->
<!--
#### Local build testing
- I built this PR locally for my native architecture, (ARCH-LIBC)
- I built this PR locally for these architectures (if supported. mark crossbuilds):
  - aarch64-musl
  - armv7l
  - armv6l-musl
-->