fn parse_fetch_output(output: &[u8]) -> Result<FetchOutput, Error> {
    lazy_static! {
        static ref _RE_FETCH: Regex = Regex::new(
            r"^ ([+t*! -]) +([^ ]+|\[[^\]]+\]) +([^ ]+) +-> +([^ ]+)(?: +(.+))?$"
        ).unwrap();
    }
    let mut new = HashSet::new();
    let mut changed = HashSet::new();
    let mut removed = HashSet::new();
    for line in output.split(|&b| b == b'\n') {
        let line = std::str::from_utf8(line)
            .map_err(|_| Error::git("Non-utf8 branch name"))?;
        if let Some(m) = _RE_FETCH.captures(line) {
            info!("> {}", line);
            let op = m.get(1).map_or("", |m| m.as_str());
            let to = m.get(4).map_or("", |m| m.as_str());

            let op = parse_operation(op)?;
            match op {
                Operation::New => {
                    if !to.contains('/') { // tag
                        let ref_ = Ref {
                            name: to.into(),
                            tag: true,
                        };
                        info!("New tag {}", ref_.name);
                        new.insert(ref_);
                    } else {
                        let ref_ = Ref::parse_remote_ref(to)?;
                        info!("New branch {}", ref_.name);
                        new.insert(ref_);
                    }
                }
                Operation::FastForward | Operation::Forced => {
                    let ref_ = Ref::parse_remote_ref(to)?;
                    info!("Updated branch {}", ref_.name);
                    changed.insert(ref_);
                }
                Operation::Pruned => {
                    if !to.contains('/') { // tag
                        let ref_ = Ref {
                            name: to.into(),
                            tag: true,
                        };
                        info!("Pruned tag {}", ref_.name);
                        removed.insert(ref_);
                    } else {
                        let ref_ = Ref::parse_remote_ref(to)?;
                        info!("Pruned branch {}", ref_.name);
                        removed.insert(ref_);
                    }
                }
                Operation::Tag => {
                    let ref_ = Ref {
                        name: to.into(),
                        tag: true,
                    };
                    info!("Updated tag {}", ref_.name);
                    changed.insert(ref_);
                }
                Operation::Reject => {
                    return Err(Error::Git(format!(
                        "Error updating ref {}",
                        to
                    )));
                }
                Operation::Noop => {}
            }
        } else {
            info!("! {}", line);
        }
    }
    Ok(FetchOutput { new, changed, removed })
}
/// Parse git-fetch output, broken out for unit testing
Parse git-fetch output, broken out for unit testing
Parse git - fetch output broken out for unit testing
fn parse_fetch_output(output: &[u8]) -> Result<FetchOutput, Error> {
    lazy_static! {
        static ref _RE_FETCH: Regex = Regex::new(
            r"^ ([+t*! -]) +([^ ]+|\[[^\]]+\]) +([^ ]+) +-> +([^ ]+)(?: +(.+))?$"
        ).unwrap();
    }
    let mut new = HashSet::new();
    let mut changed = HashSet::new();
    let mut removed = HashSet::new();
    for line in output.split(|&b| b == b'\n') {
        let line = std::str::from_utf8(line)
            .map_err(|_| Error::git("Non-utf8 branch name"))?;
        if let Some(m) = _RE_FETCH.captures(line) {
            info!("> {}", line);
            let op = m.get(1).map_or("", |m| m.as_str());
            let to = m.get(4).map_or("", |m| m.as_str());
            let op = parse_operation(op)?;
            match op {
                Operation::New => {
                    if !to.contains('/') { // tag
                        let ref_ = Ref {
                            name: to.into(),
                            tag: true,
                        };
                        info!("New tag {}", ref_.name);
                        new.insert(ref_);
                    } else {
                        let ref_ = Ref::parse_remote_ref(to)?;
                        info!("New branch {}", ref_.name);
                        new.insert(ref_);
                    }
                }
                Operation::FastForward | Operation::Forced => {
                    let ref_ = Ref::parse_remote_ref(to)?;
                    info!("Updated branch {}", ref_.name);
                    changed.insert(ref_);
                }
                Operation::Pruned => {
                    if !to.contains('/') { // tag
                        let ref_ = Ref {
                            name: to.into(),
                            tag: true,
                        };
                        info!("Pruned tag {}", ref_.name);
                        removed.insert(ref_);
                    } else {
                        let ref_ = Ref::parse_remote_ref(to)?;
                        info!("Pruned branch {}", ref_.name);
                        removed.insert(ref_);
                    }
                }
                Operation::Tag => {
                    let ref_ = Ref {
                        name: to.into(),
                        tag: true,
                    };
                    info!("Updated tag {}", ref_.name);
                    changed.insert(ref_);
                }
                Operation::Reject => {
                    return Err(Error::Git(format!(
                        "Error updating ref {}",
                        to
                    )));
                }
                Operation::Noop => {}
            }
        } else {
            info!("! {}", line);
        }
    }
    Ok(FetchOutput { new, changed, removed })
}
fn parse_fetch_output ( output : & [ u8 ] ) -> Result < FetchOutput , Error > { lazy_static ! { static ref _RE_FETCH Regex Regex new ( r"^ ([+t*! -]) +([^ ]+|\[[^\]]+\]) +([^ ]+) +-> +([^ ]+)(?: +(.+))?$" ) unwrap ( ) } let mut new = HashSet :: new ( ) ; let mut changed = HashSet :: new ( ) ; let mut removed = HashSet :: new ( ) ; for line in output . split ( | & b | b == b'\n' ) { let line = std :: str :: from_utf8 ( line ) . map_err ( | _ | Error :: git ( " " ) ) ? ; if let Some ( m ) = _RE_FETCH . captures ( line ) { info ! ( " " line ) ; let op = m . get ( 1 ) . map_or ( " " , | m | m . as_str ( ) ) ; let to = m . get ( 4 ) . map_or ( " " , | m | m . as_str ( ) ) ; let op = parse_operation ( op ) ? ; match op { Operation :: New => { if ! to . contains ( '/' ) { // tag let ref_ = Ref { name : to . into ( ) , tag : true , } ; info ! ( " " ref_ name ) ; new . insert ( ref_ ) ; } else { let ref_ = Ref :: parse_remote_ref ( to ) ? ; info ! ( " " ref_ name ) ; new . insert ( ref_ ) ; } } Operation :: FastForward | Operation :: Forced => { let ref_ = Ref :: parse_remote_ref ( to ) ? ; info ! ( " " ref_ name ) ; changed . insert ( ref_ ) ; } Operation :: Pruned => { if ! to . contains ( '/' ) { // tag let ref_ = Ref { name : to . into ( ) , tag : true , } ; info ! ( " " ref_ name ) ; removed . insert ( ref_ ) ; } else { let ref_ = Ref :: parse_remote_ref ( to ) ? ; info ! ( " " ref_ name ) ; removed . insert ( ref_ ) ; } } Operation :: Tag => { let ref_ = Ref { name : to . into ( ) , tag : true , } ; info ! ( " " ref_ name ) ; changed . insert ( ref_ ) ; } Operation :: Reject => { return Err ( Error :: Git ( format ! ( " " to ) ) ) ; } Operation :: Noop => { } } } else { info ! ( " " line ) ; } } Ok ( FetchOutput { new , changed , removed } ) }
Parse git-fetch output, broken out for unit testing
Parse git - fetch output broken out for unit testing
output
&[u8]
output
&[u8]