Update list of explicit VCS repo types, refs #7023

doc/05-repositories.md

@@ -284,8 +284,9 @@ VCS repository provides `dist`s for them that fetch the packages as zips.
 * **BitBucket:** [bitbucket.org](https://bitbucket.org) (Git and Mercurial)
 
 The VCS driver to be used is detected automatically based on the URL. However,
-should you need to specify one for whatever reason, you can use `fossil`, `git`,
-`svn` or `hg` as the repository type instead of `vcs`.
+should you need to specify one for whatever reason, you can use `git-bitbucket`,
+`hg-bitbucket`, `github`, `gitlab`, `perforce`, `fossil`, `git`, `svn` or `hg`
+as the repository type instead of `vcs`.
 
 If you set the `no-api` key to `true` on a github repository it will clone the
 repository as it would with any other git repository instead of using the