Closes#7525
This is better for performance, because it can do more work in-memory. It also preserves unknown headers, which can be important for some clients. For example, Jujutsu uses a non-standard "change-id" header to track commits across rebase and amend, but regular git-rebase drops such unknown headers.
Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/7527
Reviewed-by: Gusted <gusted@noreply.codeberg.org>
Co-authored-by: Remo Senekowitsch <remo@buenzli.dev>
Co-committed-by: Remo Senekowitsch <remo@buenzli.dev>
This module is merged from https://github.com/go-gitea/git which is a Go module to access Git through shell commands. Now it's a part of gitea's main repository for easier pull request.
