How to diff an svn working copy with its original version, when the original version is not necessarily in the HEAD revision. For example, if I checked-out from version 2080 and someone else has already checked-in as 2081 I see the diffs with 2081 and not with 2080 like I do on TortoiseSVN, when I use svn shell commands suggested in:
Check diff against file on the server (using diff)
and:
SVN: how to compare working copy with repository revision? (using show-updates)