//!use crate::{ object, object::{peel, Kind}, Object,};///pub mod to_kind { mod error { use crate::object; /// The error returned by [`Object::peel_to_kind()`][crate::Object::peel_to_kind()]. #[derive(Debug, thiserror::Error)] #[allow(missing_docs)] pub enum Error { #[error(transparent)] FindExistingObject(#[from] object::find::existing::OdbError), #[error("Last encountered object kind was {} while trying to peel to {}", .actual, .expected)] NotFound { actual: object::Kind, expected: object::Kind, }, } } pub use error::Error;}impl<'repo> Object<'repo> { // TODO: tests /// Follow tags to their target and commits to trees until the given `kind` of object is encountered. /// /// Note that this object doesn't necessarily have to be the end of the chain. /// Typical values are [`Kind::Commit`] or [`Kind::Tree`]. pub fn peel_to_kind(mut self, kind: Kind) -> Result<Self, peel::to_kind::Error> { loop { match self.kind { any_kind if kind == any_kind => { return Ok(self); } Kind::Commit => { let tree_id = self .try_to_commit_ref_iter() .expect("commit") .tree_id() .expect("valid commit"); let access = self.repo; drop(self); self = access.find_object(tree_id)?; } Kind::Tag => { let target_id = self.to_tag_ref_iter().target_id().expect("valid tag"); let access = self.repo; drop(self); self = access.find_object(target_id)?; } Kind::Tree | Kind::Blob => { return Err(peel::to_kind::Error::NotFound { actual: self.kind, expected: kind, }) } } } } // TODO: tests /// Follow all tag object targets until a commit, tree or blob is reached. /// /// Note that this method is different from [`peel_to_kind(…)`][Object::peel_to_kind()] as it won't /// peel commits to their tree, but handles tags only. pub fn peel_tags_to_end(mut self) -> Result<Self, object::find::existing::OdbError> { loop { match self.kind { Kind::Commit | Kind::Tree | Kind::Blob => break Ok(self), Kind::Tag => { let target_id = self.to_tag_ref_iter().target_id().expect("valid tag"); let access = self.repo; drop(self); self = access.find_object(target_id)?; } } } }}
//!
use crate::{
object,
object::{peel, Kind},
Object,
};
///
pub mod to_kind {
mod error {
use crate::object;
/// The error returned by [`Object::peel_to_kind()`][crate::Object::peel_to_kind()].
#[derive(Debug, thiserror::Error)]
#[allow(missing_docs)]
pub enum Error {
#[error(transparent)]
FindExistingObject(#[from] object::find::existing::OdbError),
#[error("Last encountered object kind was {} while trying to peel to {}", .actual, .expected)]
NotFound {
actual: object::Kind,
expected: object::Kind,
},
}
}
pub use error::Error;
}
impl<'repo> Object<'repo> {
// TODO: tests
/// Follow tags to their target and commits to trees until the given `kind` of object is encountered.
///
/// Note that this object doesn't necessarily have to be the end of the chain.
/// Typical values are [`Kind::Commit`] or [`Kind::Tree`].
pub fn peel_to_kind(mut self, kind: Kind) -> Result<Self, peel::to_kind::Error> {
loop {
match self.kind {
any_kind if kind == any_kind => {
return Ok(self);
}
Kind::Commit => {
let tree_id = self
.try_to_commit_ref_iter()
.expect("commit")
.tree_id()
.expect("valid commit");
let access = self.repo;
drop(self);
self = access.find_object(tree_id)?;
}
Kind::Tag => {
let target_id = self.to_tag_ref_iter().target_id().expect("valid tag");
let access = self.repo;
drop(self);
self = access.find_object(target_id)?;
}
Kind::Tree | Kind::Blob => {
return Err(peel::to_kind::Error::NotFound {
actual: self.kind,
expected: kind,
})
}
}
}
}
// TODO: tests
/// Follow all tag object targets until a commit, tree or blob is reached.
///
/// Note that this method is different from [`peel_to_kind(…)`][Object::peel_to_kind()] as it won't
/// peel commits to their tree, but handles tags only.
pub fn peel_tags_to_end(mut self) -> Result<Self, object::find::existing::OdbError> {
loop {
match self.kind {
Kind::Commit | Kind::Tree | Kind::Blob => break Ok(self),
Kind::Tag => {
let target_id = self.to_tag_ref_iter().target_id().expect("valid tag");
let access = self.repo;
drop(self);
self = access.find_object(target_id)?;
}
}
}
}
}