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Update sync.sh
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sync.sh
CHANGED
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@@ -3,6 +3,7 @@
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# ================= 配置 =================
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WEBDAV_URL=${WEBDAV_URL%/}
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WEBDAV_BACKUP_PATH=${WEBDAV_BACKUP_PATH:-""}
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WEBDAV_BACKUP_PATH=${WEBDAV_BACKUP_PATH#/}
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WEBDAV_BACKUP_PATH=${WEBDAV_BACKUP_PATH%/}
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@@ -20,11 +21,9 @@ TEMP_DIR="/tmp/backup_temp"
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# =======================================
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log() { echo "[Backup] [$(date '+%H:%M:%S')] $1"; }
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-
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# 确保临时目录存在
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mkdir -p "$TEMP_DIR"
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-
#
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if [[ -z "$WEBDAV_URL" ]]; then
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log "未设置 WEBDAV_URL,跳过备份"
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exit 0
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@@ -34,54 +33,57 @@ if ! command -v curl &> /dev/null; then
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apk add --no-cache curl || (apt-get update && apt-get install -y curl)
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fi
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# ===
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else
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#
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fi
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}
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# ===
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restore() {
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log "正在从 WebDAV 恢复备份..."
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REMOTE_FILE="$FULL_WEBDAV_URL/$REMOTE_FILENAME"
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TEMP_FILE="$TEMP_DIR/restored.json"
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# 尝试下载
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HTTP_CODE=$(curl -s -o "$TEMP_FILE" -w "%{http_code}" -u "$WEBDAV_USERNAME:$WEBDAV_PASSWORD" "$REMOTE_FILE")
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if [[ "$HTTP_CODE" == "200" ]]; then
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#
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cp "$TEMP_FILE" "/app/data/$TARGET_FILENAME"
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-
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log "✅ 备份已恢复到: $DEST_PATH"
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else
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log "❌ 下载返回200但文件为空,跳过恢复"
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fi
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else
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log "📭
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fi
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}
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# ===
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loop() {
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log "
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#
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if [ -n "$WEBDAV_BACKUP_PATH" ]; then
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curl -s -o /dev/null -u "$WEBDAV_USERNAME:$WEBDAV_PASSWORD" -X MKCOL "$FULL_WEBDAV_URL/"
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fi
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@@ -89,35 +91,35 @@ loop() {
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while true; do
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sleep $SYNC_INTERVAL
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#
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CURRENT_PATH=$(
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if [ -n "$CURRENT_PATH" ]; then
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FILE_SIZE=$(wc -c < "$CURRENT_PATH")
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HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" -u "$WEBDAV_USERNAME:$WEBDAV_PASSWORD" -T "$CURRENT_PATH" "$FULL_WEBDAV_URL/$REMOTE_FILENAME")
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if [[ "$HTTP_CODE" != "201" ]] && [[ "$HTTP_CODE" != "204" ]] && [[ "$HTTP_CODE" != "200" ]]; then
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log "
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fi
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fi
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fi
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done
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}
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# === 入口判断 ===
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case "$1" in
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"restore")
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"loop")
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loop
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;;
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*)
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# 如果没有参数,默认先恢复再循环 (兼容旧用法,但不推荐,因为会阻塞)
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restore
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loop
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;;
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esac
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# ================= 配置 =================
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WEBDAV_URL=${WEBDAV_URL%/}
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WEBDAV_BACKUP_PATH=${WEBDAV_BACKUP_PATH:-""}
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# 处理子路径
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WEBDAV_BACKUP_PATH=${WEBDAV_BACKUP_PATH#/}
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WEBDAV_BACKUP_PATH=${WEBDAV_BACKUP_PATH%/}
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# =======================================
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log() { echo "[Backup] [$(date '+%H:%M:%S')] $1"; }
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mkdir -p "$TEMP_DIR"
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# 检查环境
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if [[ -z "$WEBDAV_URL" ]]; then
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log "未设置 WEBDAV_URL,跳过备份"
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exit 0
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apk add --no-cache curl || (apt-get update && apt-get install -y curl)
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fi
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# === 核心修复:智能寻找真正活跃的文件 ===
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find_active_file() {
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FILE_ROOT="/app/$TARGET_FILENAME"
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FILE_DATA="/app/data/$TARGET_FILENAME"
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# 获取文件修改时间戳 (如果文件不存在则为0)
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TIME_ROOT=$(stat -c %Y "$FILE_ROOT" 2>/dev/null || echo 0)
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TIME_DATA=$(stat -c %Y "$FILE_DATA" 2>/dev/null || echo 0)
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# 比较哪个文件更新
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if [ "$TIME_ROOT" -gt "$TIME_DATA" ]; then
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echo "$FILE_ROOT"
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elif [ "$TIME_DATA" -gt 0 ]; then
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echo "$FILE_DATA"
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else
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# 如果都没有,尝试用 find 找 (兼容性兜底)
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find /app -name "$TARGET_FILENAME" -type f -not -path "*/node_modules/*" | head -n 1
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fi
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}
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# === 恢复功能 ===
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restore() {
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log "正在从 WebDAV 恢复备份..."
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REMOTE_FILE="$FULL_WEBDAV_URL/$REMOTE_FILENAME"
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TEMP_FILE="$TEMP_DIR/restored.json"
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HTTP_CODE=$(curl -s -o "$TEMP_FILE" -w "%{http_code}" -u "$WEBDAV_USERNAME:$WEBDAV_PASSWORD" "$REMOTE_FILE")
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if [[ "$HTTP_CODE" == "200" ]] && [ -s "$TEMP_FILE" ]; then
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# 恢复策略:只恢复到 /app 根目录
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# 为什么?因为我们确定程序会优先读取根目录,或者在根目录生成
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# 如果程序之前在 data 目录,它找不到 data 里的文件通常会自动回落或重建
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DEST_PATH="/app/$TARGET_FILENAME"
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cp "$TEMP_FILE" "$DEST_PATH"
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log "✅ 备份已恢复到: $DEST_PATH"
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# 只有当 data 目录已经存在时,才顺便放一份进去,但不强求
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if [ -d "/app/data" ]; then
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cp "$TEMP_FILE" "/app/data/$TARGET_FILENAME"
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fi
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else
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log "📭 未找到远程备份或文件为空,将以新状态启动"
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fi
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}
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# === 循环备份功能 ===
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loop() {
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log "启动智能增量备份 (间隔: ${SYNC_INTERVAL}秒)"
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# 尝试创建远程目录
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if [ -n "$WEBDAV_BACKUP_PATH" ]; then
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curl -s -o /dev/null -u "$WEBDAV_USERNAME:$WEBDAV_PASSWORD" -X MKCOL "$FULL_WEBDAV_URL/"
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fi
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while true; do
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sleep $SYNC_INTERVAL
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# 每次都重新判断哪个文件是最新的
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CURRENT_PATH=$(find_active_file)
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if [ -n "$CURRENT_PATH" ] && [ -f "$CURRENT_PATH" ]; then
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FILE_SIZE=$(wc -c < "$CURRENT_PATH")
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# 只有大于 10 字节才备份 (避免备份空的 [])
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if [ "$FILE_SIZE" -gt 10 ]; then
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# log "正在备份活跃文件: $CURRENT_PATH (大小: $FILE_SIZE)"
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HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" -u "$WEBDAV_USERNAME:$WEBDAV_PASSWORD" -T "$CURRENT_PATH" "$FULL_WEBDAV_URL/$REMOTE_FILENAME")
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if [[ "$HTTP_CODE" != "201" ]] && [[ "$HTTP_CODE" != "204" ]] && [[ "$HTTP_CODE" != "200" ]]; then
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log "❌ 上传失败: HTTP $HTTP_CODE"
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else
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# 成功时不刷屏,静默成功
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:
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fi
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else
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log "⚠️ 文件过小 ($FILE_SIZE bytes),跳过备份以免覆盖数据"
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fi
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else
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log "等待 accounts.json 生成..."
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fi
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done
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}
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case "$1" in
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"restore") restore ;;
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"loop") loop ;;
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*) restore; loop ;;
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esac
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