Update sync_data.sh

sync_data.sh

@@ -5,10 +5,11 @@ if [ -z "$HF_TOKEN" ] || [ -z "$DATASET_ID" ]; then
     exec node ./src/app/app.js
     exit 0
 fi
+
 # 激活虚拟环境
 . /opt/venv/bin/activate
 
-# 上传备份（新增备份数量管理）
+# 上传备份（含自动清理旧备份）
 upload_backup() {
     file_path="$1"
     file_name="$2"
@@ -19,21 +20,24 @@ import os
 
 def manage_backups(api, repo_id, max_files=50):
     files = api.list_repo_files(repo_id=repo_id, repo_type='dataset')
-    # 注意前缀改为electerm_backup_
     backup_files = [f for f in files if f.startswith('electerm_backup_') and f.endswith('.tar.gz')]
     backup_files.sort()
     if len(backup_files) >= max_files:
-        files_to_delete = backup_files[:(len(backup_files) - max_files + 1)]
+        files_to_delete = backup_files[:len(backup_files) - max_files + 1]
         for file_to_delete in files_to_delete:
             try:
-                api.delete_file(path_in_repo=file_to_delete, repo_id=repo_id, repo_type='dataset')
+                api.delete_file(
+                    path_in_repo=file_to_delete,
+                    repo_id=repo_id,
+                    repo_type='dataset'
+                )
                 print(f'Deleted old backup: {file_to_delete}')
             except Exception as e:
                 print(f'Error deleting {file_to_delete}: {str(e)}')
 
 api = HfApi(token='$HF_TOKEN')
 try:
-    # 先上传新备份
+    # 上传新备份
     api.upload_file(
         path_or_fileobj='$file_path',
         path_in_repo='$file_name',
@@ -42,14 +46,56 @@ try:
     )
     print(f'Successfully uploaded $file_name')
     
-    # 上传完成后执行备份数量管理
+    # 清理旧备份
     manage_backups(api, '$DATASET_ID')
 except Exception as e:
     print(f'Error uploading file: {str(e)}')
 "
 }
 
-# [...] 后续的download_latest_backup和sync_data函数保持不变
+# 下载最新备份（补充完整）
+download_latest_backup() {
+    python3 -c "
+from huggingface_hub import HfApi
+import sys
+import os
+import tarfile
+import tempfile
+
+api = HfApi(token='$HF_TOKEN')
+try:
+    files = api.list_repo_files(repo_id='$DATASET_ID', repo_type='dataset')
+    backup_files = [f for f in files if f.startswith('electerm_backup_') and f.endswith('.tar.gz')]
+    if not backup_files:
+        print('No backup files found')
+        sys.exit()
+    latest_backup = sorted(backup_files)[-1]
+    with tempfile.TemporaryDirectory() as temp_dir:
+        filepath = api.hf_hub_download(
+            repo_id='$DATASET_ID',
+            filename=latest_backup,
+            repo_type='dataset',
+            local_dir=temp_dir
+        )
+        if filepath and os.path.exists(filepath):
+            # 确保目标目录存在
+            os.makedirs('/app/electerm-web/data', exist_ok=True)
+            # 清空旧数据（防止残留文件干扰）
+            if os.listdir('/app/electerm-web/data'):
+                for f in os.listdir('/app/electerm-web/data'):
+                    os.remove(os.path.join('/app/electerm-web/data', f))
+            # 解压备份
+            with tarfile.open(filepath, 'r:gz') as tar:
+                tar.extractall('/app/electerm-web/data')
+            print(f'Successfully restored backup from {latest_backup}')
+except Exception as e:
+    print(f'Error downloading backup: {str(e)}')
+"
+}
+
+# 首次启动时下载最新备份
+echo "Downloading latest backup from HuggingFace..."
+download_latest_backup
 
 # 同步函数
 sync_data() {
@@ -58,7 +104,7 @@ sync_data() {
         if [ -d /app/electerm-web/data ]; then
             timestamp=$(date +%Y%m%d_%H%M%S)
             backup_file="electerm_backup_${timestamp}.tar.gz"
-            # 压缩数据目录
+            # 压缩数据目录（排除临时文件）
             tar -czf "/tmp/${backup_file}" -C /app/electerm-web/data .
             echo "Uploading backup to HuggingFace..."
             upload_backup "/tmp/${backup_file}" "${backup_file}"