--dry-run doesn't work properly with sync

[Yanpas]

It stops on the first entry to be synced and I don't see the full list of files to be synced

[snosratiershad]

@Yanpas I've tested sync with --dry-run and I see the full list of files:

$ s3cmd sync s3://salar-test/dir1/ s3://salar-test/dir2/ --dry-run
Summary: 2 source files to copy, 0 files at destination to delete
remote copy: 's3://salar-test/dir1/hello' -> 's3://salar-test/dir2/hello'
remote copy: 's3://salar-test/dir1/hi' -> 's3://salar-test/dir2/hi'
WARNING: Exiting now because of --dry-run

could you please provide more info like s3cmd version, your command and your output?