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diff --git a/vendor/gix-fs/src/lib.rs b/vendor/gix-fs/src/lib.rs
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+//! A crate with file-system specific utilities.
+#![deny(rust_2018_idioms, missing_docs)]
+#![forbid(unsafe_code)]
+
+/// Common knowledge about the worktree that is needed across most interactions with the work tree
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
+#[derive(PartialEq, Eq, Debug, Hash, Ord, PartialOrd, Clone, Copy)]
+pub struct Capabilities {
+    /// If true, the filesystem will store paths as decomposed unicode, i.e. `ä` becomes `"a\u{308}"`, which means that
+    /// we have to turn these forms back from decomposed to precomposed unicode before storing it in the index or generally
+    /// using it. This also applies to input received from the command-line, so callers may have to be aware of this and
+    /// perform conversions accordingly.
+    /// If false, no conversions will be performed.
+    pub precompose_unicode: bool,
+    /// If true, the filesystem ignores the case of input, which makes `A` the same file as `a`.
+    /// This is also called case-folding.
+    pub ignore_case: bool,
+    /// If true, we assume the executable bit is honored as part of the files mode. If false, we assume the file system
+    /// ignores the executable bit, hence it will be reported as 'off' even though we just tried to set it to be on.
+    pub executable_bit: bool,
+    /// If true, the file system supports symbolic links and we should try to create them. Otherwise symbolic links will be checked
+    /// out as files which contain the link as text.
+    pub symlink: bool,
+}
+mod capabilities;
+
+mod snapshot;
+
+use std::path::PathBuf;
+
+pub use snapshot::{FileSnapshot, SharedFileSnapshot, SharedFileSnapshotMut};
+
+///
+pub mod symlink;
+
+///
+pub mod dir;
+
+/// A stack of path components with the delegation of side-effects as the currently set path changes, component by component.
+#[derive(Clone)]
+pub struct Stack {
+    /// The prefix/root for all paths we handle.
+    root: PathBuf,
+    /// the most recent known cached that we know is valid.
+    current: PathBuf,
+    /// The relative portion of `valid` that was added previously.
+    current_relative: PathBuf,
+    /// The amount of path components of 'current' beyond the roots components.
+    valid_components: usize,
+    /// If set, we assume the `current` element is a directory to affect calls to `(push|pop)_directory()`.
+    current_is_directory: bool,
+}
+
+///
+pub mod stack;