Vendor things

third-party/vendor/same-file/README.md

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+same-file
+=========
+A safe and cross platform crate to determine whether two files or directories
+are the same.
+
+[![Build status](https://github.com/BurntSushi/same-file/workflows/ci/badge.svg)](https://github.com/BurntSushi/same-file/actions)
+[![](http://meritbadge.herokuapp.com/same-file)](https://crates.io/crates/same-file)
+
+Dual-licensed under MIT or the [UNLICENSE](http://unlicense.org).
+
+### Documentation
+
+https://docs.rs/same-file
+
+### Usage
+
+Add this to your `Cargo.toml`:
+
+```toml
+[dependencies]
+same-file = "1"
+```
+
+### Example
+
+The simplest use of this crate is to use the `is_same_file` function, which
+takes two file paths and returns true if and only if they refer to the same
+file:
+
+```rust,no_run
+use same_file::is_same_file;
+
+fn main() {
+    assert!(is_same_file("/bin/sh", "/usr/bin/sh").unwrap());
+}
+```
+
+### Minimum Rust version policy
+
+This crate's minimum supported `rustc` version is `1.34.0`.
+
+The current policy is that the minimum Rust version required to use this crate
+can be increased in minor version updates. For example, if `crate 1.0` requires
+Rust 1.20.0, then `crate 1.0.z` for all values of `z` will also require Rust
+1.20.0 or newer. However, `crate 1.y` for `y > 0` may require a newer minimum
+version of Rust.
+
+In general, this crate will be conservative with respect to the minimum
+supported version of Rust.