mirror:Check the source object exists before remove

[dormanze]

Community Contribution License

All community contributions in this pull request are licensed to the project maintainers
under the terms of the Apache 2 license.
By creating this pull request I represent that I have the right to license the
contributions to the project maintainers under the Apache 2 license.

Description

Check whether objects of other versions exist before remove.

Motivation and Context

fix #5139

How to test this PR?

1.Creating a Bucket and Enabling Versioning Control

mc mb myminio/bucket --with-versioning

2.Start the mirror process.

mc mirror --overwrite --remove --watch myminio/bucket /local/

3.Upload the object to the bucket twice.

mc cp test.txt myminio/bucket/
mc cp test.txt myminio/bucket/

4.Delete an object based on the version number.

mc rm myminio/bucket/test.txt --version-id xxxxxx

Check whether local files are deleted.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Optimization (provides speedup with no functional changes)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• Fixes a regression (If yes, please add commit-id or PR # here)
• Unit tests added/updated
• Internal documentation updated
• Create a documentation update request here