use std::{io::BufWriter, path::PathBuf, sync::atomic::AtomicBool}; use anyhow::bail;use gix::NestedProgress; use crate::OutputFormat; pub const PROGRESS_RANGE: std::ops::RangeInclusive<u8> = 1..=3; pub fn verify(    multi_index_path: PathBuf,    mut progress: impl NestedProgress + 'static,    should_interrupt: &AtomicBool,) -> anyhow::Result<()> {    gix::odb::pack::multi_index::File::at(multi_index_path, None)?        .verify_integrity_fast(&mut progress, should_interrupt)?;    Ok(())} pub fn create(    index_paths: Vec<PathBuf>,    output_path: PathBuf,    mut progress: impl NestedProgress + 'static,    should_interrupt: &AtomicBool,    object_hash: gix::hash::Kind,) -> anyhow::Result<()> {    let mut out = BufWriter::new(gix::lock::File::acquire_to_update_resource(        output_path,        gix::lock::acquire::Fail::Immediately,        None,    )?);    gix::odb::pack::multi_index::write_from_index_paths(        index_paths,        &mut out,        &mut progress,        should_interrupt,        gix::odb::pack::multi_index::write::Options { object_hash },    )?;    out.into_inner()?.commit()?;    Ok(())} #[cfg(feature = "serde")]mod info {    use std::path::PathBuf;     #[derive(serde::Serialize)]    pub struct Statistics {        pub path: PathBuf,        pub num_objects: u32,        pub index_names: Vec<PathBuf>,        pub object_hash: String,    }} #[cfg_attr(not(feature = "serde"), allow(unused_variables))]pub fn info(    multi_index_path: PathBuf,    format: OutputFormat,    out: impl std::io::Write,    mut err: impl std::io::Write,) -> anyhow::Result<()> {    if format == OutputFormat::Human {        writeln!(err, "Defaulting to JSON as human format isn't implemented").ok();    }    #[cfg(feature = "serde")]    {        let file = gix::odb::pack::multi_index::File::at(&multi_index_path, None)?;        serde_json::to_writer_pretty(            out,            &info::Statistics {                path: multi_index_path,                num_objects: file.num_objects(),                index_names: file.index_names().to_vec(),                object_hash: file.object_hash().to_string(),            },        )?;    }    Ok(())} pub fn entries(multi_index_path: PathBuf, format: OutputFormat, mut out: impl std::io::Write) -> anyhow::Result<()> {    if format != OutputFormat::Human {        bail!("Only human format is supported right now");    }    let file = gix::odb::pack::multi_index::File::at(multi_index_path, None)?;    for entry in file.iter() {        writeln!(out, "{} {} {}", entry.oid, entry.pack_index, entry.pack_offset)?;    }    Ok(())}