PullRequest: 37 chore: check work directory

Merge branch opt_check_dir of [email protected]:oceanbase/OBShell-SDK-Python.git into master
https://code.alipay.com/oceanbase/OBShell-SDK-Python/pull_requests/37

Signed-off-by: 玉楼 <[email protected]>


* opt

Author: 阿绿

obshell/ssh.py

@@ -250,8 +250,7 @@ def _sftp_write_file(self, context, remote_file_path, mode=0o644):
 
 def check_remote_dir_empty(client: SshClient, work_dir: str):
     logger.debug(f"Check remote directory: {work_dir}")
-    ret = client.execute(f'if [ -d {work_dir} ]; then ls -A {work_dir}; fi')
-    return ret and len(ret.stdout) == 0
+    return client.execute(f'![ -e {work_dir} ] || [ "$(ls -A {work_dir} 2>/dev/null | wc -l)" -eq 0 ]')
 
 
 def check_observer_version(client: SshClient, work_dir: str):