Ensuring a merge between branches happens in one direction

Question

This morning I discovered that my co-worker had merged the wrong way between two branches in mercurial --we have a ver5 and ver6 branch, with extra files in ver6. Is there any w

Answer 1

Rather than post twice, would my answer to "Mercurial: allow merge from a release branch to the default one, but not vice versa" help? https://stackoverflow.com/a/19926324/1025457