$ cd ..
$ hg clone myproject myproject-merge
updating working directory
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd myproject-merge
$ hg pull ../myproject-1.0.1
pulling from ../myproject-1.0.1
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads' to see heads, 'hg merge' to merge)