Air-gapped deployment isn’t theory. It’s the protective wall that keeps critical systems away from any external touch. When you need security and control, you cut the wire, you seal the port, and you own every byte that enters.
Vim thrives in this kind of environment. Despite its age, Vim is timeless because it asks for no constant connection. You can configure, extend, and run it fully inside an air-gapped system. But getting Vim set up—plugins, configs, dependencies—without the internet demands a precise process.
Start with your target state. Decide which Vim binary, which build flags, and which plugins you want. Document the exact versions. On a separate, connected machine, prepare everything. Download the Vim source or trusted binary from an official mirror. Gather all plugin archives from Git repositories by cloning and exporting, or by downloading release tarballs. Package them together with their dependencies.
Checksum every file. Sign where possible. This is not busywork—it is the integrity proof. Once inside your secure environment, you only have what you carried, so corrupted or tampered files are fatal.