From 4bc56ebd936cc1b580ef88c40eead2ba3209cdbe Mon Sep 17 00:00:00 2001
From: Veetaha <veetaha2@gmail.com>
Date: Sat, 29 Aug 2020 17:47:13 +0300
Subject: [PATCH] Replace custom `not_bash::fs2` setup with fs_err crate

---
 Cargo.lock            |  7 +++++++
 xtask/Cargo.toml      |  1 +
 xtask/src/dist.rs     |  2 +-
 xtask/src/not_bash.rs | 47 +++----------------------------------------
 4 files changed, 12 insertions(+), 45 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 867a6c1dcdd..cec4462f204 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -385,6 +385,12 @@ dependencies = [
  "toolchain",
 ]
 
+[[package]]
+name = "fs-err"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1a51f8b7158efbe531f7baa74e38e49fbc41239e5d66720bb37ed39c27c241a"
+
 [[package]]
 name = "fsevent"
 version = "2.0.2"
@@ -1875,6 +1881,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "flate2",
+ "fs-err",
  "pico-args",
  "proc-macro2",
  "quote",
diff --git a/xtask/Cargo.toml b/xtask/Cargo.toml
index 0750b5657fb..01a83882538 100644
--- a/xtask/Cargo.toml
+++ b/xtask/Cargo.toml
@@ -18,4 +18,5 @@ quote = "1.0.2"
 ungrammar = "1.1.3"
 walkdir = "2.3.1"
 write-json =  "0.1.0"
+fs-err = "2.3"
 # Avoid adding more dependencies to this crate
diff --git a/xtask/src/dist.rs b/xtask/src/dist.rs
index 01d903cdee7..aa7d949677d 100644
--- a/xtask/src/dist.rs
+++ b/xtask/src/dist.rs
@@ -115,7 +115,7 @@ impl Patch {
         self
     }
 
-    fn commit(&self) -> Result<()> {
+    fn commit(&self) -> io::Result<()> {
         fs2::write(&self.path, &self.contents)
     }
 }
diff --git a/xtask/src/not_bash.rs b/xtask/src/not_bash.rs
index ef811e5bf34..038898993ac 100644
--- a/xtask/src/not_bash.rs
+++ b/xtask/src/not_bash.rs
@@ -4,55 +4,14 @@ use std::{
     cell::RefCell,
     env,
     ffi::OsString,
-    io::Write,
+    io::{self, Write},
     path::{Path, PathBuf},
     process::{Command, Stdio},
 };
 
 use anyhow::{bail, Context, Result};
 
-pub mod fs2 {
-    use std::{fs, path::Path};
-
-    use anyhow::{Context, Result};
-
-    pub fn read_dir<P: AsRef<Path>>(path: P) -> Result<fs::ReadDir> {
-        let path = path.as_ref();
-        fs::read_dir(path).with_context(|| format!("Failed to read {}", path.display()))
-    }
-
-    pub fn read_to_string<P: AsRef<Path>>(path: P) -> Result<String> {
-        let path = path.as_ref();
-        fs::read_to_string(path).with_context(|| format!("Failed to read {}", path.display()))
-    }
-
-    pub fn write<P: AsRef<Path>, C: AsRef<[u8]>>(path: P, contents: C) -> Result<()> {
-        let path = path.as_ref();
-        fs::write(path, contents).with_context(|| format!("Failed to write {}", path.display()))
-    }
-
-    pub fn copy<P: AsRef<Path>, Q: AsRef<Path>>(from: P, to: Q) -> Result<u64> {
-        let from = from.as_ref();
-        let to = to.as_ref();
-        fs::copy(from, to)
-            .with_context(|| format!("Failed to copy {} to {}", from.display(), to.display()))
-    }
-
-    pub fn remove_file<P: AsRef<Path>>(path: P) -> Result<()> {
-        let path = path.as_ref();
-        fs::remove_file(path).with_context(|| format!("Failed to remove file {}", path.display()))
-    }
-
-    pub fn remove_dir_all<P: AsRef<Path>>(path: P) -> Result<()> {
-        let path = path.as_ref();
-        fs::remove_dir_all(path).with_context(|| format!("Failed to remove dir {}", path.display()))
-    }
-
-    pub fn create_dir_all<P: AsRef<Path>>(path: P) -> Result<()> {
-        let path = path.as_ref();
-        fs::create_dir_all(path).with_context(|| format!("Failed to create dir {}", path.display()))
-    }
-}
+pub use fs_err as fs2;
 
 #[macro_export]
 macro_rules! run {
@@ -98,7 +57,7 @@ impl Drop for Pushenv {
     }
 }
 
-pub fn rm_rf(path: impl AsRef<Path>) -> Result<()> {
+pub fn rm_rf(path: impl AsRef<Path>) -> io::Result<()> {
     let path = path.as_ref();
     if !path.exists() {
         return Ok(());