Make hg diff --git -r revA:revB detect (inverted) copies if revA > revB
# should print nothing# should failabort: path 'b/x' is inside repo 'b'abort: path 'b/x' is inside repo 'b'# should failabort: path 'b/x' is inside repo 'b'# should arguably print nothing# should failabort: path 'b/a' is inside repo 'b'