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Monorepo for Tangled
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647use std::path::{Path, PathBuf};
use crate::Bundle;
/// Returned by [`Bundle::at()`]#[derive(thiserror::Error, Debug)]#[allow(missing_docs)]pub enum Error { #[error("An 'idx' extension is expected of an index file: '{0}'")] InvalidPath(PathBuf), #[error(transparent)] Pack(#[from] crate::data::header::decode::Error), #[error(transparent)] Index(#[from] crate::index::init::Error),}
/// Initializationimpl Bundle { /// Create a `Bundle` from `path`, which is either a pack file _(*.pack)_ or an index file _(*.idx)_. /// /// The corresponding complementary file is expected to be present. /// /// The `object_hash` is a way to read (and write) the same file format with different hashes, as the hash kind /// isn't stored within the file format itself. pub fn at(path: impl AsRef<Path>, object_hash: gix_hash::Kind) -> Result<Self, Error> { Self::at_inner(path.as_ref(), object_hash) }
fn at_inner(path: &Path, object_hash: gix_hash::Kind) -> Result<Self, Error> { let ext = path .extension() .and_then(std::ffi::OsStr::to_str) .ok_or_else(|| Error::InvalidPath(path.to_owned()))?; Ok(match ext { "idx" => Self { index: crate::index::File::at(path, object_hash)?, pack: crate::data::File::at(path.with_extension("pack"), object_hash)?, }, "pack" => Self { pack: crate::data::File::at(path, object_hash)?, index: crate::index::File::at(path.with_extension("idx"), object_hash)?, }, _ => return Err(Error::InvalidPath(path.to_owned())), }) }}