mirror of
https://github.com/wolfydw/backup_OBS.git
synced 2026-05-08 06:37:02 +08:00
Codex
116 lines
2.8 KiB
Bash
Executable File
116 lines
2.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# 下载或更新仓库内的 obsutil 二进制。
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# - 默认安装到仓库根目录下的 ./obsutil
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# - 若系统已有 obsutil，不会覆盖；只管理仓库内副本
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# - install.sh 和手动维护都可复用这个脚本
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set -Eeuo pipefail
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SCRIPT_PATH="${BASH_SOURCE[0]:-$0}"
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LIB_DIR="$(cd "$(dirname -- "$SCRIPT_PATH")" && pwd -P)"
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ROOT_DIR="$(cd "${LIB_DIR}/.." && pwd -P)"
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TARGET_BIN="${ROOT_DIR}/obsutil"
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DRY_RUN=false
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usage() {
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cat <<'USAGE'
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用法：
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./lib/obsutil.sh [--dry-run]
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说明：
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- 下载并安装或更新仓库内的 ./obsutil
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- 默认覆盖仓库里的旧版本
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- dry-run 只打印将执行的动作，不实际下载
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USAGE
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}
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--dry-run) DRY_RUN=true; shift ;;
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-h|--help) usage; exit 0 ;;
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*) echo "未知参数：$1" >&2; usage; exit 2 ;;
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esac
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done
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need_cmd() {
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command -v "$1" >/dev/null 2>&1 || {
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echo "缺少命令：$1" >&2
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exit 2
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}
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}
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download_file() {
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local url="$1"
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local output="$2"
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if command -v curl >/dev/null 2>&1; then
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curl -fsSL "$url" -o "$output"
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return 0
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fi
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if command -v wget >/dev/null 2>&1; then
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wget -qO "$output" "$url"
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return 0
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fi
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echo "缺少下载工具：curl 或 wget" >&2
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exit 2
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}
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resolve_package_name() {
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case "$(uname -m)" in
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x86_64|amd64) printf '%s\n' "obsutil_linux_amd64.tar.gz" ;;
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aarch64|arm64) printf '%s\n' "obsutil_linux_arm64.tar.gz" ;;
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*)
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echo "不支持的 CPU 架构：$(uname -m)" >&2
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echo "请手动安装 obsutil 后再试" >&2
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exit 2
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;;
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esac
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}
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need_cmd install
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need_cmd tar
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PACKAGE_NAME="$(resolve_package_name)"
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DOWNLOAD_URL="https://obs-community-intl.obs.ap-southeast-1.myhuaweicloud.com/obsutil/current/${PACKAGE_NAME}"
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if $DRY_RUN; then
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if [[ -x "$TARGET_BIN" ]]; then
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echo "[dry-run] 将更新仓库内 obsutil：${TARGET_BIN}"
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else
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echo "[dry-run] 将安装仓库内 obsutil：${TARGET_BIN}"
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fi
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echo "[dry-run] 下载地址：${DOWNLOAD_URL}"
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exit 0
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fi
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TMP_DIR="$(mktemp -d)"
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ARCHIVE_PATH="${TMP_DIR}/${PACKAGE_NAME}"
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trap 'rm -rf "$TMP_DIR"' EXIT
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if [[ -x "$TARGET_BIN" ]]; then
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echo "开始更新仓库内 obsutil：${TARGET_BIN}"
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else
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echo "开始安装仓库内 obsutil：${TARGET_BIN}"
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fi
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download_file "$DOWNLOAD_URL" "$ARCHIVE_PATH"
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tar -xzf "$ARCHIVE_PATH" -C "$TMP_DIR"
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BINARY_PATH="$(find "$TMP_DIR" -type f -name obsutil | head -n 1)"
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if [[ -z "$BINARY_PATH" ]]; then
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echo "下载包中未找到 obsutil 可执行文件" >&2
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exit 2
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fi
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install -m 755 "$BINARY_PATH" "$TARGET_BIN"
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VERSION_OUTPUT="$("$TARGET_BIN" version 2>/dev/null || true)"
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if [[ -z "$VERSION_OUTPUT" ]]; then
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echo "obsutil 已安装，但运行校验失败：${TARGET_BIN}" >&2
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exit 2
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fi
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echo "obsutil 已就绪：${TARGET_BIN}"
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echo "$VERSION_OUTPUT" | head -n 1
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