feat: rclone支持
这个提交包含在:
224
backup/backup.sh
224
backup/backup.sh
@@ -42,6 +42,13 @@ SMB_PASSWORD=""
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SMB_DOMAIN=""
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SMB_VERSION=""
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# rclone 专属
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RCLONE_EXECUTABLE=""
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RCLONE_REMOTE=""
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RCLONE_PATH=""
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RCLONE_CONFIG=""
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RCLONE_FLAGS=""
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# SFTP 专属(预留)
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SFTP_HOST=""
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SFTP_PORT="22"
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@@ -66,6 +73,7 @@ Usage: bash backup.sh <method> [options]
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Methods:
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smb 通过 SMB / Samba 协议上传
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rclone 通过 rclone 上传到网盘等远端(远端名需先用 rclone config 配置好)
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sftp 通过 SFTP 上传(暂未实现,已预留入口)
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Common options:
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@@ -88,6 +96,13 @@ SMB options:
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--smb-domain DOMAIN
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--smb-version VER 例如 3.0
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rclone options:
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--rclone-executable F rclone 可执行文件路径(可选,默认从 PATH 查找)
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--rclone-remote NAME 远端名(不带冒号),例如 gdrive
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--rclone-path PATH 远端目标子路径
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--rclone-config FILE 自定义 rclone.conf 路径
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--rclone-flags STR 透传给 rclone 的额外参数,如 "--bwlimit 10M --transfers 2"
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SFTP options (预留):
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--sftp-host HOST
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--sftp-port PORT
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@@ -100,6 +115,8 @@ Examples:
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bash backup.sh smb
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bash backup.sh smb --smb-host 192.168.1.10 --smb-share backup --smb-user u --smb-password p
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bash backup.sh smb -s "/etc /var/log" -C /path/to/backup.conf
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bash backup.sh rclone --rclone-remote gdrive --rclone-path vps-backup/web1
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bash backup.sh rclone --rclone-flags "--bwlimit 10M --transfers 2"
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bash backup.sh smb --debug
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EOF
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}
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@@ -149,6 +166,13 @@ print_effective_config() {
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dbg "SMB_DOMAIN=$SMB_DOMAIN"
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dbg "SMB_VERSION=$SMB_VERSION"
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;;
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rclone)
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dbg "RCLONE_EXECUTABLE=$RCLONE_EXECUTABLE"
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dbg "RCLONE_REMOTE=$RCLONE_REMOTE"
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dbg "RCLONE_PATH=$RCLONE_PATH"
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dbg "RCLONE_CONFIG=$RCLONE_CONFIG"
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dbg "RCLONE_FLAGS=$RCLONE_FLAGS"
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;;
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sftp)
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dbg "SFTP_HOST=$SFTP_HOST"
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dbg "SFTP_PORT=$SFTP_PORT"
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@@ -196,7 +220,7 @@ parse_args() {
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case "$1" in
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-h|--help) usage; exit 0 ;;
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smb|sftp) METHOD_ARG="$1"; shift ;;
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smb|sftp|rclone) METHOD_ARG="$1"; shift ;;
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*) err "未知方式:$1"; usage; exit 1 ;;
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esac
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dbg "parse_args: METHOD_ARG=$METHOD_ARG,剩余参数($#)=$*"
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@@ -234,6 +258,11 @@ parse_args() {
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--smb-password) SMB_PASSWORD="$2"; shift 2 ;;
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--smb-domain) SMB_DOMAIN="$2"; shift 2 ;;
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--smb-version) SMB_VERSION="$2"; shift 2 ;;
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--rclone-executable) RCLONE_EXECUTABLE="$2"; shift 2 ;;
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--rclone-remote) RCLONE_REMOTE="$2"; shift 2 ;;
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--rclone-path) RCLONE_PATH="$2"; shift 2 ;;
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--rclone-config) RCLONE_CONFIG="$2"; shift 2 ;;
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--rclone-flags) RCLONE_FLAGS="$2"; shift 2 ;;
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--sftp-host) SFTP_HOST="$2"; shift 2 ;;
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--sftp-port) SFTP_PORT="$2"; shift 2 ;;
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--sftp-user) SFTP_USER="$2"; shift 2 ;;
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@@ -591,6 +620,192 @@ run_smb() {
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cleanup_local
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}
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# ---------- rclone ----------
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rclone_check_deps() {
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if [[ -n "$RCLONE_EXECUTABLE" ]]; then
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if [[ ! -x "$RCLONE_EXECUTABLE" ]]; then
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err "RCLONE_EXECUTABLE 不存在或不可执行:$RCLONE_EXECUTABLE"
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return 1
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fi
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dbg "rclone_check_deps: 使用自定义路径 $RCLONE_EXECUTABLE"
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elif command -v rclone >/dev/null 2>&1; then
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RCLONE_EXECUTABLE="$(command -v rclone)"
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dbg "rclone_check_deps: 从 PATH 找到 $RCLONE_EXECUTABLE"
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else
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err "未安装 rclone(PATH 中找不到,且未指定 RCLONE_EXECUTABLE)。安装方式:curl https://rclone.org/install.sh | sudo bash"
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return 1
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fi
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dbg "rclone_check_deps: $("$RCLONE_EXECUTABLE" version 2>/dev/null | head -1)"
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return 0
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}
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rclone_validate() {
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dbg "rclone_validate: REMOTE='$RCLONE_REMOTE' PATH='$RCLONE_PATH' CONFIG='$RCLONE_CONFIG'"
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[[ -z "$RCLONE_REMOTE" ]] && { err "缺少 RCLONE_REMOTE(用 \`rclone listremotes\` 查看已配置的远端)"; return 1; }
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[[ -z "$RCLONE_PATH" ]] && { err "缺少 RCLONE_PATH"; return 1; }
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# 自定义 rclone.conf 路径必须存在
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if [[ -n "$RCLONE_CONFIG" && ! -f "$RCLONE_CONFIG" ]]; then
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err "RCLONE_CONFIG 指定的文件不存在:$RCLONE_CONFIG"
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return 1
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fi
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# 检查远端是否在 rclone 中已注册
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local listremotes
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listremotes="$(rclone_cmd listremotes 2>/dev/null)" || {
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err "rclone listremotes 执行失败,请检查 rclone 配置"
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return 1
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}
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if ! echo "$listremotes" | grep -qx "${RCLONE_REMOTE}:"; then
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err "rclone 中未找到远端 \"${RCLONE_REMOTE}:\"。已配置的远端:"
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echo "$listremotes" >&2
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err "请先运行:rclone config"
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return 1
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fi
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return 0
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}
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# 包装 rclone,统一使用 RCLONE_EXECUTABLE,并带上 --config(如指定)和透传的 RCLONE_FLAGS
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rclone_cmd() {
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local args=()
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[[ -n "$RCLONE_CONFIG" ]] && args+=( --config "$RCLONE_CONFIG" )
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# RCLONE_FLAGS 是空格分隔的字符串,按词拆分透传
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# shellcheck disable=SC2206
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local extra=( $RCLONE_FLAGS )
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"$RCLONE_EXECUTABLE" "$@" "${args[@]}" "${extra[@]}"
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}
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rclone_upload() {
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dbg "rclone_upload: 待上传=${#ARCHIVE_FILES[@]} 远端目录=${RCLONE_REMOTE}:${RCLONE_PATH%/}/${ARCHIVE_BASENAME}/"
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local remote_dir="${RCLONE_REMOTE}:${RCLONE_PATH%/}/${ARCHIVE_BASENAME}"
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log "通过 rclone 上传到 ${remote_dir}/"
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# 让 rclone 每 5 秒打印一行进度(已传/总量/百分比/速率/ETA),写到 stdout 而不是被 INFO 级别压住。
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# --stats-one-line 让进度落在单行;NOTICE 级别能在非交互(cron)下也输出。
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local stats_flags=( --stats=5s --stats-one-line --stats-log-level NOTICE )
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local pp pname pkb start_ts elapsed rc
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for pp in "${ARCHIVE_FILES[@]}"; do
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pname="$(basename "$pp")"
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pkb="$(du -k "$pp" 2>/dev/null | awk '{print $1+0}')"
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log "上传:$pname ($(awk -v k="$pkb" 'BEGIN{if(k>=1024*1024)printf "%.2fG", k/1024/1024; else if(k>=1024)printf "%.1fM", k/1024; else printf "%dK", k}'))"
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start_ts=$(date +%s)
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rclone_cmd copyto "${stats_flags[@]}" "$pp" "${remote_dir}/${pname}"
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rc=$?
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elapsed=$(( $(date +%s) - start_ts ))
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if [[ $rc -ne 0 ]]; then
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err "rclone 上传失败:$pp (耗时 ${elapsed}s)"
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return 1
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fi
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ok "上传完成:$pname (耗时 ${elapsed}s)"
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done
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ok "已上传全部 ${#ARCHIVE_FILES[@]} 个文件到 ${remote_dir}/"
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# 远端 SHA256 校验:拉取远端 hash,与本地 .sha256 清单比对
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rclone_verify_remote "$remote_dir" || return 1
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if [[ "$COMMON_RETENTION_DAYS" -gt 0 ]]; then
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rclone_retention
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else
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dbg "rclone_upload: COMMON_RETENTION_DAYS=0,跳过远端清理"
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fi
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}
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rclone_verify_remote() {
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local remote_dir="$1"
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local sha_local
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# 在 ARCHIVE_FILES 中找到 .sha256 清单(cleanup 之前)
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for f in "${ARCHIVE_FILES[@]}"; do
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if [[ "$f" == *.sha256 ]]; then sha_local="$f"; break; fi
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done
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if [[ -z "$sha_local" || ! -f "$sha_local" ]]; then
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warn "未找到本地 SHA256 清单,跳过远端校验"
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return 0
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fi
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log "远端 SHA256 校验:${remote_dir}/"
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local remote_sha
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remote_sha="$(rclone_cmd hashsum SHA256 "$remote_dir" 2>/dev/null)" || {
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err "rclone hashsum 执行失败(远端可能不支持 SHA256,可手动下载后用 sha256sum -c 校验)"
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return 1
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}
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dbg "远端 hash 输出: $remote_sha"
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# 本地清单格式: "<hash> <filename>";远端 rclone hashsum 输出同样格式但顺序可能不同
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# 逐行比对:以文件名为 key,hash 必须一致
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local fname expect actual
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while IFS= read -r line; do
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[[ -z "$line" ]] && continue
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expect="${line%% *}"
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fname="${line##* }"
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# 跳过清单文件自身(不会出现在 ARCHIVE 主体里,但保险)
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[[ "$fname" == "$(basename "$sha_local")" ]] && continue
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actual="$(echo "$remote_sha" | awk -v f="$fname" '$2==f{print $1; exit}')"
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if [[ -z "$actual" ]]; then
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err "远端缺少文件:$fname"
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return 1
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fi
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if [[ "$expect" != "$actual" ]]; then
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err "远端 SHA256 不匹配:$fname (本地=$expect 远端=$actual)"
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return 1
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fi
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dbg " 校验通过:$fname"
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done < "$sha_local"
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ok "远端 SHA256 校验全部通过"
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}
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rclone_retention() {
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dbg "rclone_retention: COMMON_RETENTION_DAYS=$COMMON_RETENTION_DAYS"
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local parent="${RCLONE_REMOTE}:${RCLONE_PATH%/}"
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local listing
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listing="$(rclone_cmd lsf --dirs-only "$parent" 2>/dev/null)" || {
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warn "rclone lsf 失败,跳过远端清理"
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return 0
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}
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local cutoff
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if date -v-1d >/dev/null 2>&1; then
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cutoff=$(date -v-"${COMMON_RETENTION_DAYS}"d +%s)
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else
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cutoff=$(date -d "-${COMMON_RETENTION_DAYS} days" +%s)
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fi
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log "清理远端早于 ${COMMON_RETENTION_DAYS} 天的备份目录"
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dbg "cutoff=$cutoff parent=$parent"
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# rclone lsf --dirs-only 输出形如 "name/",去掉尾随斜杠后做名字匹配
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echo "$listing" | sed 's:/$::' | grep -E "^${COMMON_ARCHIVE_PREFIX}-[0-9]{8}-[0-9]{6}\$" | while read -r dir; do
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local d="${dir#${COMMON_ARCHIVE_PREFIX}-}"
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d="${d%%-*}" # YYYYmmdd
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local t="${dir##*-}" # HHMMSS
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local iso="${d:0:4}-${d:4:2}-${d:6:2} ${t:0:2}:${t:2:2}:${t:4:2}"
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local ftime
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if date -j -f "%Y-%m-%d %H:%M:%S" "$iso" +%s >/dev/null 2>&1; then
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ftime=$(date -j -f "%Y-%m-%d %H:%M:%S" "$iso" +%s)
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else
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ftime=$(date -d "$iso" +%s)
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fi
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dbg " 远端目录 $dir -> ftime=$ftime"
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if [[ "$ftime" -lt "$cutoff" ]]; then
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log "删除远端旧备份目录:$dir"
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if ! rclone_cmd purge "${parent}/${dir}" >/dev/null 2>&1; then
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warn "purge 失败:$dir"
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fi
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fi
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done
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}
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run_rclone() {
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dbg "run_rclone: 开始"
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rclone_check_deps || return 1
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rclone_validate || return 1
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print_effective_config
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create_archive || return 1
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rclone_upload || { cleanup_local; return 1; }
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ok "rclone 上传完成"
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cleanup_local
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}
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# ---------- SFTP(预留)----------
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run_sftp() {
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@@ -614,9 +829,10 @@ main() {
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print_effective_config
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case "$METHOD" in
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smb) run_smb ;;
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sftp) run_sftp ;;
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*) err "不支持的方式:$METHOD"; exit 1 ;;
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smb) run_smb ;;
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rclone) run_rclone ;;
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sftp) run_sftp ;;
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*) err "不支持的方式:$METHOD"; exit 1 ;;
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esac
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local rc=$?
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dbg "main: 退出码=$rc"
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