Malicious Intent

How do I prevent malicious attempts to clutter up the database with fake data

Whenever a user is attempting to add a repository to the system, force them to login. This barrier will make spamming much more difficult and also allow me to hold accounts accountable for their actions.

How do I prevent users from impersonating existing assemblies

All the projects that exist within the project tree of local projects were created by the authenticated user. Therefore, assemblies created by those projects can be stated as "created by" the authenticated user, whereas, the other assemblies are not, they are merely supporting assemblies created by another developer.

How do I handle ownership regarding git-submodule projects

use git, git submodules are associated with a repo, that repo has a owner..