"ERROR: Unhandled difference between" when using ./mc diff

[BLuFeNiX]

Expected behavior

diff works

Actual behavior

./mc diff behaves differently depending on whether the local or remote path is listed first, as well as what level of the directory structure is compared.

Steps to reproduce the behavior

./mc mirror -a <local> <remote>
./mc diff <local> <remote>
./mc diff <remote> <local>

error example:

mc: <ERROR> Unhandled difference between `https://s3.wasabisys.com/REDACTED/Bahamas Cruise 2014/2014-12-15 17.02.35.jpg` and `/data/REDACTED/Bahamas Cruise 2014/2014-12-15 17.02.35.jpg`.

Update
When using --json, we can see an undefined diff value:

root@b76efd39aa1b:/# ./mc --json diff "/data/REDACTED/" "wasabi2/REDACTED/"
{
 "status": "success",
 "first": "",
 "second": "https://s3.wasabisys.com/REDACTED/",
 "diff": 6
}

This is strange, since it seems that the diff value only goes from 0 to 5, according to: https://docs.min.io/docs/minio-client-complete-guide.html

Note: this issue appears to be filename related. I have renamed some of these files and the issue went away for that file only. The issue does not occur if I swap <local> and <remote>.

mc --version

mc version RELEASE.2020-05-16T01-44-37Z

System information

Ubuntu 20.04 docker image

[BLuFeNiX]

Updated original post to better describe issue.

[harshavardhana]

Thanks for opening the issue we shall take a look.