subrepo: don't write .hgsubstate lines with empty subrepo state (issue4622)...
subrepo: don't write .hgsubstate lines with empty subrepo state (issue4622)
The '' that is used to represent the state of a not-yet-committed
subrepo cannot be written to the file, because the code that parses
the file splits on ' ' and expects two parts.
Given that the .hgsubstate file is automatically rewritten on commit, it seems
a little strange that the file is written out during a merge.