From f79998f626801329580c782fd05e36cb2027f474 Mon Sep 17 00:00:00 2001
From: donjuanplatinum <113148619+donjuanplatinum@users.noreply.github.com>
Date: Sat, 18 May 2024 00:22:38 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0rust=20sparse=E7=A8=80?=
 =?UTF-8?q?=E7=96=8F=E7=B4=A2=E5=BC=95=E9=80=89=E9=A1=B9=20(#826)?=
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---
 tools/change_rust_src.sh | 31 ++++++++++++++++++++++++++++---
 1 file changed, 28 insertions(+), 3 deletions(-)

diff --git a/tools/change_rust_src.sh b/tools/change_rust_src.sh
index 7e78a72e..53fae27d 100644
--- a/tools/change_rust_src.sh
+++ b/tools/change_rust_src.sh
@@ -1,8 +1,33 @@
-# 更换Rust镜像源
-echo -e "[source.crates-io]   \n \
+echo "正在为rust换源"
+echo "bash change_rust_src.sh --sparse以使用稀疏索引"
+sparse="false"
+while true; do
+    if [ -z "$1" ]; then
+	break;
+    fi
+    case "$1" in
+	"--sparse")
+	    echo "使用稀疏索引"
+	    sparse=""
+	    ;;
+    esac
+    shift 1
+    done
+if [ -z ${sparse} ]; then
+    echo -e "[source.crates-io]   \n \
+registry = \"https://github.com/rust-lang/crates.io-index\"  \n \
+\n \
+replace-with = 'tuna' \n \
+[source.tuna] \n \
+registry = \"sparse+https://mirrors.tuna.tsinghua.edu.cn/crates.io-index/\"	 \n \
+" > ~/.cargo/config
+else
+        echo -e "[source.crates-io]   \n \
 registry = \"https://github.com/rust-lang/crates.io-index\"  \n \
 \n \
 replace-with = 'tuna' \n \
 [source.tuna] \n \
 registry = \"https://mirrors.tuna.tsinghua.edu.cn/git/crates.io-index.git\"	 \n \
-" > ~/.cargo/config
\ No newline at end of file
+" > ~/.cargo/config
+
+fi