Use `git2-rs` or `gitoxide` instead of `git` command!

[thinkgos]

we use git command on search, install ... , We depend on the environment git. remove this dependence may be much better.

git crate for git.

• gitoxide: pure rust implementation of Git
• git2-rs: libgit2 bindings for Rust

[thinkgos]

first we can use octocrab(GitHub API client) to get some inforamation, then if failed, we can fallback use git