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use crate::bstr::BStr;
use crate::types::AttributeStack;
use crate::Repository;
use gix_odb::FindExt;
use std::ops::{Deref, DerefMut};
/// Lifecycle
impl<'repo> AttributeStack<'repo> {
/// Create a new instance from a `repo` and the underlying pre-configured `stack`.
///
/// Note that this type is typically created by [`Repository::attributes()`] or [`Repository::attributes_only()`].
pub fn new(stack: gix_worktree::Stack, repo: &'repo Repository) -> Self {
AttributeStack { repo, inner: stack }
}
/// Detach the repository and return the underlying plumbing datatype.
pub fn detach(self) -> gix_worktree::Stack {
self.inner
}
}
impl Deref for AttributeStack<'_> {
type Target = gix_worktree::Stack;
fn deref(&self) -> &Self::Target {
&self.inner
}
}
impl DerefMut for AttributeStack<'_> {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.inner
}
}
/// Platform retrieval
impl<'repo> AttributeStack<'repo> {
/// Append the `relative` path to the root directory of the cache and efficiently create leading directories, while assuring that no
/// symlinks are in that path.
/// Unless `is_dir` is known with `Some(…)`, then `relative` points to a directory itself in which case the entire resulting
/// path is created as directory. If it's not known it is assumed to be a file.
///
/// Provide access to cached information for that `relative` path via the returned platform.
pub fn at_path(
&mut self,
relative: impl AsRef<std::path::Path>,
is_dir: Option<bool>,
) -> std::io::Result<gix_worktree::stack::Platform<'_>> {
self.inner
.at_path(relative, is_dir, |id, buf| self.repo.objects.find_blob(id, buf))
}
/// Obtain a platform for lookups from a repo-`relative` path, typically obtained from an index entry. `is_dir` should reflect
/// whether it's a directory or not, or left at `None` if unknown.
///
/// If `relative` ends with `/` and `is_dir` is `None`, it is automatically assumed to be a directory.
///
/// ### Panics
///
/// - on illformed UTF8 in `relative`
pub fn at_entry<'r>(
&mut self,
relative: impl Into<&'r BStr>,
is_dir: Option<bool>,
) -> std::io::Result<gix_worktree::stack::Platform<'_>> {
self.inner
.at_entry(relative, is_dir, |id, buf| self.repo.objects.find_blob(id, buf))
}
}
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