$ hg clone myproject-1.0.1 my-1.0.1-bugfix
updating working directory
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd my-1.0.1-bugfix
$ echo 'I fixed a bug using only echo!' >> myfile
$ hg commit -m 'Important fix for 1.0.1'
$ hg push
pushing to
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files