backout: backed out changeset f78d8b8c46d7
This and the following backout exist because the original patches break the
Windows CI for some yet unknown reason.
Differential Revision: https://phab.mercurial-scm.org/D11726
$ echo "[extensions]" >> $HGRCPATH
$ echo "mq=" >> $HGRCPATH
$ hg init
$ echo 'base' > base
$ hg ci -Ambase
adding base
$ hg qnew -mmqbase mqbase
$ hg qsave
$ hg qrestore 2
restoring status: hg patches saved state