From 31630859cce142d1a31a92f188682dac3f87d8ac Mon Sep 17 00:00:00 2001
From: klensy <klensy@users.noreply.github.com>
Date: Wed, 26 Jul 2023 18:09:50 +0300
Subject: [PATCH] replace atty crate with std's isTerminal

---
 Cargo.lock                           | 2 --
 compiler/rustc_interface/Cargo.toml  | 1 -
 compiler/rustc_interface/src/util.rs | 3 ++-
 compiler/rustc_session/Cargo.toml    | 1 -
 compiler/rustc_session/src/config.rs | 3 ++-
 5 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 72f0236fd08..7898bc549a0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3732,7 +3732,6 @@ dependencies = [
 name = "rustc_interface"
 version = "0.0.0"
 dependencies = [
- "atty",
  "libloading",
  "rustc-rayon",
  "rustc-rayon-core",
@@ -4196,7 +4195,6 @@ dependencies = [
 name = "rustc_session"
 version = "0.0.0"
 dependencies = [
- "atty",
  "bitflags 1.3.2",
  "getopts",
  "libc",
diff --git a/compiler/rustc_interface/Cargo.toml b/compiler/rustc_interface/Cargo.toml
index 7826d42dcb2..2c7438ed9db 100644
--- a/compiler/rustc_interface/Cargo.toml
+++ b/compiler/rustc_interface/Cargo.toml
@@ -6,7 +6,6 @@ edition = "2021"
 [lib]
 
 [dependencies]
-atty = "0.2.13"
 libloading = "0.7.1"
 tracing = "0.1"
 rustc-rayon-core = { version = "0.5.0", optional = true }
diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs
index 12d33f06309..ad35dbbc8f9 100644
--- a/compiler/rustc_interface/src/util.rs
+++ b/compiler/rustc_interface/src/util.rs
@@ -519,7 +519,8 @@ fn multiple_output_types_to_stdout(
     output_types: &OutputTypes,
     single_output_file_is_stdout: bool,
 ) -> bool {
-    if atty::is(atty::Stream::Stdout) {
+    use std::io::IsTerminal;
+    if std::io::stdout().is_terminal() {
         // If stdout is a tty, check if multiple text output types are
         // specified by `--emit foo=- --emit bar=-` or `-o - --emit foo,bar`
         let named_text_types = output_types
diff --git a/compiler/rustc_session/Cargo.toml b/compiler/rustc_session/Cargo.toml
index 1291d1454a6..e26d25d9a41 100644
--- a/compiler/rustc_session/Cargo.toml
+++ b/compiler/rustc_session/Cargo.toml
@@ -4,7 +4,6 @@ version = "0.0.0"
 edition = "2021"
 
 [dependencies]
-atty = "0.2.13"
 bitflags = "1.2.1"
 getopts = "0.2"
 rustc_macros = { path = "../rustc_macros" }
diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs
index 36b5c385ab1..f75cd2ae776 100644
--- a/compiler/rustc_session/src/config.rs
+++ b/compiler/rustc_session/src/config.rs
@@ -834,9 +834,10 @@ pub fn is_stdout(&self) -> bool {
     }
 
     pub fn is_tty(&self) -> bool {
+        use std::io::IsTerminal;
         match *self {
             OutFileName::Real(_) => false,
-            OutFileName::Stdout => atty::is(atty::Stream::Stdout),
+            OutFileName::Stdout => std::io::stdout().is_terminal(),
         }
     }