🐛 fix(workflow): 修复 Cargo 镜像配置的 YAML 语法

- 去掉 run 脚本中的 heredoc 写法，避免 YAML 将 TOML 内容误判为工作流字段
- 改为使用 printf 生成 ~/.cargo/config.toml
- 保持 crates-io 切换到 rsproxy sparse registry 的逻辑不变

.gitea/workflows/release.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   release-linux-x86_64:
-    runs-on: runner_admin
+    runs-on: ubuntu-latest
     steps:
       - name: 检出代码
         env:
@@ -48,40 +48,27 @@ jobs:
           set -eux
           if command -v apt-get >/dev/null 2>&1; then
             apt-get update
-            apt-get install -y build-essential pkg-config sqlite3 curl tar ca-certificates nodejs npm rustc cargo
+            apt-get install -y build-essential pkg-config sqlite3 curl tar ca-certificates nodejs npm
           elif command -v dnf >/dev/null 2>&1; then
-            dnf install -y gcc gcc-c++ make pkgconf-pkg-config sqlite curl tar ca-certificates nodejs npm rust cargo
+            dnf install -y gcc gcc-c++ make pkgconf-pkg-config sqlite curl tar ca-certificates nodejs npm
           elif command -v yum >/dev/null 2>&1; then
-            yum install -y gcc gcc-c++ make pkgconfig sqlite curl tar ca-certificates nodejs npm rust cargo
+            yum install -y gcc gcc-c++ make pkgconfig sqlite curl tar ca-certificates nodejs npm
           elif command -v pacman >/dev/null 2>&1; then
-            pacman -Sy --noconfirm base-devel pkgconf sqlite curl tar ca-certificates nodejs npm rust cargo
+            pacman -Sy --noconfirm base-devel pkgconf sqlite curl tar ca-certificates nodejs npm
           fi
 
       - name: 安装 Rust
+        env:
+          RUSTUP_DIST_SERVER: https://rsproxy.cn
+          RUSTUP_UPDATE_ROOT: https://rsproxy.cn/rustup
         run: |
           set -eux
-          PATH_BASE="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
+          if ! command -v rustup >/dev/null 2>&1; then
-          PATH_EXTRA=""
-          OLD_IFS="$IFS"
-          IFS=':'
-          set -- $PATH
-          IFS="$OLD_IFS"
-          for entry in "$@"; do
-            [ -n "$entry" ] || continue
-            [ "$entry" = "$HOME/.cargo/bin" ] && continue
-            case ":$PATH_BASE:$PATH_EXTRA:" in
-              *":$entry:"*) continue ;;
-            esac
-            PATH_EXTRA="${PATH_EXTRA:+$PATH_EXTRA:}$entry"
-          done
-          export PATH="$PATH_BASE${PATH_EXTRA:+:$PATH_EXTRA}"
-          if ! command -v cargo >/dev/null 2>&1 || ! command -v rustc >/dev/null 2>&1; then
-            [ -f "$HOME/.cargo/env" ] && . "$HOME/.cargo/env"
-          fi
-          if ! command -v cargo >/dev/null 2>&1 || ! command -v rustc >/dev/null 2>&1; then
             curl --proto '=https' --tlsv1.2 -fsSL https://sh.rustup.rs | sh -s -- -y --profile minimal
-            . "$HOME/.cargo/env"
           fi
+          . "$HOME/.cargo/env"
+          rustup toolchain install stable --profile minimal --no-self-update
+          rustup default stable
           HOST_TARGET="$(rustc -vV | sed -n 's/^host: //p')"
           BUILD_TARGET="$HOST_TARGET"
           if [ "$HOST_TARGET" != "x86_64-unknown-linux-gnu" ] && command -v rustup >/dev/null 2>&1; then
@@ -93,28 +80,22 @@ jobs:
           echo "使用 Rust 构建目标: $BUILD_TARGET"
           rustc -V
           cargo -V
+          mkdir -p "$HOME/.cargo"
+          printf '%s\n' \
+            '[source.crates-io]' \
+            'replace-with = "rsproxy-sparse"' \
+            '' \
+            '[source.rsproxy-sparse]' \
+            'registry = "sparse+https://rsproxy.cn/index/"' \
+            >"$HOME/.cargo/config.toml"
 
       - name: 构建发布包
+        env:
+          RUSTUP_DIST_SERVER: https://rsproxy.cn
+          RUSTUP_UPDATE_ROOT: https://rsproxy.cn/rustup
         run: |
           set -eux
-          PATH_BASE="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
+          . "$HOME/.cargo/env"
-          PATH_EXTRA=""
-          OLD_IFS="$IFS"
-          IFS=':'
-          set -- $PATH
-          IFS="$OLD_IFS"
-          for entry in "$@"; do
-            [ -n "$entry" ] || continue
-            [ "$entry" = "$HOME/.cargo/bin" ] && continue
-            case ":$PATH_BASE:$PATH_EXTRA:" in
-              *":$entry:"*) continue ;;
-            esac
-            PATH_EXTRA="${PATH_EXTRA:+$PATH_EXTRA:}$entry"
-          done
-          export PATH="$PATH_BASE${PATH_EXTRA:+:$PATH_EXTRA}"
-          if ! command -v cargo >/dev/null 2>&1 || ! command -v rustc >/dev/null 2>&1; then
-            [ -f "$HOME/.cargo/env" ] && . "$HOME/.cargo/env"
-          fi
           cd lightops-src
           TAG="$(cat /tmp/lightops-release-tag)"
           VERSION="${TAG#v}"