commit: --edit/-e to force edit of otherwise-supplied commit message
The --edit/-e option for the 'commit' command forces editor, even when a
commit message has been provided already by other means, such as by the -m or
-l options.
$ 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