Function libgit2_sys::git_commit_amend

pub unsafe extern "C" fn git_commit_amend(
    id: *mut git_oid, 
    commit_to_amend: *const git_commit, 
    update_ref: *const c_char, 
    author: *const git_signature, 
    committer: *const git_signature, 
    message_encoding: *const c_char, 
    message: *const c_char, 
    tree: *const git_tree
) -> c_int