添加linux，macos下载脚本

tool/download-release.sh

@@ -0,0 +1,109 @@
+# ---------------------------------------------------------------
+# File          : download-release.sh
+# Authors       : GnixAij <[email protected]>
+# Created on    : <2024-10-25>
+# Last modified : <2024-10-25>
+#
+# download:
+#
+#   Download from GitHub Releases
+# ---------------------------------------------------------------
+
+install_dir=""
+path_to_executable=""
+default_install_path="/usr/local/bin"
+binary_name="chsrc"
+
+info() {
+    echo "[INFO] $*"
+}
+
+error() {
+    echo -e "[ERROR] $*" >&2
+    exit 1
+}
+
+help() {
+    # 显示帮助
+    echo "chsrc 安装脚本"
+    echo
+    echo "用法: install.sh [-h] [-d <安装目录>]"
+    echo "选项:"
+    echo "-h     打印此帮助信息。"
+    echo "-d     指定安装目录。默认为 /usr/local/bin；如果已安装，则覆盖旧版本。"
+    echo
+}
+
+# 解析命令行选项
+while getopts ":hd:" option; do
+    case $option in
+    h)
+        help
+        exit 0
+        ;;
+    d)
+        install_dir=${OPTARG}
+        ;;
+    v)
+        version=${OPTARG}
+        ;;
+    \?)
+        echo "无效的命令行选项。使用 -h 查看帮助。"
+        exit 1
+        ;;
+    esac
+done
+
+# 设置安装路径
+set_install_path() {
+    if [ -n "$install_dir" ]; then
+        # 扩展 ~ 符号
+        install_dir="${install_dir/#\~/$HOME}"
+    elif existing_path=$(command -v "$binary_name" 2>/dev/null); then
+        info "$binary_name 已安装，更新路径: ${existing_path}"
+        install_dir=$(dirname "$existing_path")
+    else
+        # 检查默认路径
+        if [ -d "$default_install_path" ] && [ -w "$default_install_path" ]; then
+            install_dir="$default_install_path"
+        else
+            error "默认下载路径/usr/local/bin 不可写，请使用 sudo 命令运行脚本；或通过-v参数指定其它路径安装"
+        fi
+    fi
+}
+
+# 下载并安装函数
+install() {
+    arch="$(uname -m | tr '[:upper:]' '[:lower:]')"
+    case "$arch" in
+    x86_64) arch="x64" ;;
+    aarch64) arch="aarch64" ;;
+    riscv64) arch="riscv64" ;;
+    armv7*) arch="armv7" ;;
+    *) error "不支持的架构: ${arch}" ;;
+    esac
+
+    platform="$(uname -s | awk '{print tolower($0)}')"
+    case "$platform" in
+    linux) platform="linux" ;;
+    darwin) platform="macos" ;;
+    *) error "不支持的平台: ${platform}" ;;
+    esac
+
+    url="https://gitee.com/RubyMetric/chsrc/releases/download/pre/${binary_name}-${arch}-${platform}"
+
+    path_to_executable="${install_dir}/${binary_name}"
+
+    info "下载 ${binary_name} (${arch} 架构, ${platform} 平台) 到 ${path_to_executable}"
+
+    # 下载文件并设置权限
+    if curl -sL "$url" -o "$path_to_executable"; then
+        chmod +x "$path_to_executable"
+        info "🎉 安装完成，路径: $path_to_executable"
+    else
+        error "下载失败，请检查您的网络连接和代理设置: ${url}"
+    fi
+}
+
+set_install_path
+install