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use super::GitRef;
use crate as git;
use git_next_config as config;

#[derive(Debug, PartialEq, Eq)]
pub enum Force {
    No,
    From(GitRef),
}
impl std::fmt::Display for Force {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            Self::No => write!(f, "fast-forward"),
            Self::From(from) => write!(f, "force-if-from:{}", from),
        }
    }
}

pub type Result<T> = core::result::Result<T, Error>;

#[derive(Debug, thiserror::Error)]
pub enum Error {
    #[error("io")]
    Io(#[from] std::io::Error),

    #[error("network: {0}")]
    Network(#[from] kxio::network::NetworkError),

    #[error("fetch: {0}")]
    Fetch(#[from] git::fetch::Error),

    #[error("lock")]
    Lock,

    #[error("gix open: {0}")]
    Open(#[from] Box<gix::open::Error>),

    #[error("gix iter: {0}")]
    GixIter(#[from] gix::reference::iter::Error),

    #[error("gix iter init: {0}")]
    GixIterInit(#[from] gix::reference::iter::init::Error),

    #[cfg(test)]
    #[error("test")]
    TestResult(#[from] Box<dyn std::error::Error>),
}

pub fn reset(
    open_repository: &dyn git::repository::OpenRepositoryLike,
    repo_details: &git::RepoDetails,
    branch_name: &config::BranchName,
    to_commit: &git::GitRef,
    force: &git::push::Force,
) -> Result<()> {
    open_repository.fetch()?;
    open_repository.push(repo_details, branch_name, to_commit, force)
}