That's why the first step of CI for me, when possible, is to rsync a .tar.gz file from the server I'm deploying to. The tarball contains statically-linked binar

That's why the first step of CI for me, when possible, is to rsync a .tar.gz file from the server I'm deploying to. The tarball contains statically-linked binaries and other stuff I'll need for the build. It's also a good reason for CI providers to mirror package repositories.