use std::io; use anyhow::bail;use git_repository as git; use crate::OutputFormat; mod info {    use std::path::PathBuf;     use git_repository::odb::store;     #[cfg_attr(feature = "serde1", derive(serde::Serialize))]    pub struct Statistics {        pub path: PathBuf,        pub object_hash: String,        pub use_multi_pack_index: bool,        pub structure: Vec<store::structure::Record>,        pub metrics: store::Metrics,    }} #[cfg_attr(not(feature = "serde1"), allow(unused_variables))]pub fn info(    repo: git::Repository,    format: OutputFormat,    out: impl io::Write,    mut err: impl io::Write,) -> anyhow::Result<()> {    if format == OutputFormat::Human {        writeln!(err, "Only JSON is implemented - using that instead")?;    }     let store = repo.objects.store_ref();    let stats = info::Statistics {        path: store.path().into(),        object_hash: store.object_hash().to_string(),        use_multi_pack_index: store.use_multi_pack_index(),        structure: store.structure()?,        metrics: store.metrics(),    };     #[cfg(feature = "serde1")]    {        serde_json::to_writer_pretty(out, &stats)?;    }     Ok(())} pub fn entries(repo: git::Repository, format: OutputFormat, mut out: impl io::Write) -> anyhow::Result<()> {    if format != OutputFormat::Human {        bail!("Only human output format is supported at the moment");    }     for object in repo.objects.iter()? {        let object = object?;        writeln!(out, "{}", object)?;    }     Ok(())}