What I really need, is @obsidian sync, but to git.
GitHub - denolehov/obsidian-git: Backup your Obsidian.md vault with git

Backup your Obsidian.md vault with git. Contribute to denolehov/obsidian-git development by creating an account on GitHub.

GitHub

@jamie no, I have that already. Works just fine on my laptop.

But git on android phones is.... Suboptimal.