moz-git-push

gistfile1.sh

    # Clone the target mercurial repo
    $ hg clone http://hg.mozilla.org/integration/fx-team
     
    # Then when you are ready to land, first ensure cleaning up the mercurial repo
    $ cd ~/fx-team && hg strip --no-backup 'roots(outgoing())' && hg pull -u
     
    # Then transfer your commits from git to mercurial
    # Here for just some very specific changesets
    $ cd git-mozilla-central-repo/ && git push-to-hg -t REV1..REV2 ~/fx-team
    # Or just one
    $ cd git-mozilla-central-repo/ && git push-to-hg -t REV ~/fx-team
     
    # Then (unfortunately) you still have to do some manual hg commands
    $ cd ~/fx-team && hg qfinish -a && hg push fx-team