Git-lazy-mount mount a repo without cloning it. Works with ordinary Git

What it does

Git-lazy-mount mount a repo without cloning it. Works with ordinary Git

In their own words: Lazily mount a git repo without cloning it. Works with ordinary git commands - mohsen1/git-lazy-mount

It's a more tools tool from Github. It's a paid tool, so check the plans before committing. It's open source — the repository has the docs, issues, and latest releases.