rust/hg-core/src/requirements.rs

46166:c511fef30290

use std::io;
use std::path::Path;

#[derive(Debug)]
pub enum RequirementsError {
    // TODO: include a path?
    Io(io::Error),

            }
        })
        .collect()
}

pub fn load(repo_root: &Path) -> Result<Vec<String>, RequirementsError> {
    match std::fs::read(repo_root.join(".hg").join("requires")) {
        Ok(bytes) => parse(&bytes).map_err(|()| RequirementsError::Corrupted),

        // Treat a missing file the same as an empty file.
        // From `mercurial/localrepo.py`:
        // > requires file contains a newline-delimited list of

        Err(error) => Err(RequirementsError::Io(error))?,
    }
}

pub fn check(repo_root: &Path) -> Result<(), RequirementsError> {
    for feature in load(repo_root)? {
        if !SUPPORTED.contains(&&*feature) {
            return Err(RequirementsError::Unsupported { feature });
        }
    }
    Ok(())

46167:8a4914397d02

use crate::repo::Repo;
use std::io;

#[derive(Debug)]
pub enum RequirementsError {
    // TODO: include a path?
    Io(io::Error),

            }
        })
        .collect()
}

pub fn load(repo: &Repo) -> Result<Vec<String>, RequirementsError> {
    match repo.hg_vfs().read("requires") {
        Ok(bytes) => parse(&bytes).map_err(|()| RequirementsError::Corrupted),

        // Treat a missing file the same as an empty file.
        // From `mercurial/localrepo.py`:
        // > requires file contains a newline-delimited list of

        Err(error) => Err(RequirementsError::Io(error))?,
    }
}

pub fn check(repo: &Repo) -> Result<(), RequirementsError> {
    for feature in load(repo)? {
        if !SUPPORTED.contains(&&*feature) {
            return Err(RequirementsError::Unsupported { feature });
        }
    }
    Ok(())