mq: avoid qnew committing everything on invalid paths (issue 803)
If paths are supplied but resolve to nothing, localrepo.commit() is called with an empty set and commits the whole dirstate. Avoid this by passing the match function to commit.
requesting all changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
checking changesets
checking manifests
crosschecking files in changesets and manifests
checking files
1 files, 1 changesets, 1 total revisions