From cb6b75a91b231b46a6096ffea30535fe6bc3ea58 Mon Sep 17 00:00:00 2001
From: "Benjamin A. Beasley" <code@musicinmybrain.net>
Date: Thu, 12 Feb 2026 11:37:19 +0000
Subject: [PATCH] Replace atty dependency with std::io::IsTerminal

Available since Rust 1.70:
https://doc.rust-lang.org/std/io/trait.IsTerminal.html#tymethod.is_terminal
---
 Cargo.lock  | 43 -------------------------------------------
 Cargo.toml  |  2 --
 src/main.rs |  3 ++-
 3 files changed, 2 insertions(+), 46 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 4e43d80..afccb85 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -58,17 +58,6 @@ version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"
 
-[[package]]
-name = "atty"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
-dependencies = [
- "hermit-abi",
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "bitflags"
 version = "2.10.0"
@@ -153,7 +142,6 @@ checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
 name = "diskus"
 version = "0.9.0"
 dependencies = [
- "atty",
  "clap",
  "crossbeam-channel",
  "humansize",
@@ -196,15 +184,6 @@ dependencies = [
  "wasip2",
 ]
 
-[[package]]
-name = "hermit-abi"
-version = "0.1.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "humansize"
 version = "2.1.3"
@@ -349,28 +328,6 @@ dependencies = [
  "wit-bindgen",
 ]
 
-[[package]]
-name = "winapi"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
-dependencies = [
- "winapi-i686-pc-windows-gnu",
- "winapi-x86_64-pc-windows-gnu",
-]
-
-[[package]]
-name = "winapi-i686-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-
-[[package]]
-name = "winapi-x86_64-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-
 [[package]]
 name = "windows-link"
 version = "0.2.1"
diff --git a/Cargo.toml b/Cargo.toml
index 52b3dea..41fcc13 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,6 @@ cli = [
     "dep:clap",
     "dep:humansize",
     "dep:num-format",
-    "dep:atty",
 ]
 
 [dependencies]
@@ -28,7 +27,6 @@ crossbeam-channel = "0.5"
 # CLI dependencies (optional)
 humansize = { version = "2.1", optional = true }
 num-format = { version = "0.4", optional = true }
-atty = { version = "0.2", optional = true }
 clap = { version = "4.5", features = [
     "suggestions",
     "color",
diff --git a/src/main.rs b/src/main.rs
index b986073..a514ab4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,4 @@
+use std::io::{stdout, IsTerminal};
 use std::path::PathBuf;
 
 use clap::{builder::PossibleValuesParser, Arg, ArgAction, Command};
@@ -31,7 +32,7 @@ fn print_result(result: &DiskUsageResult, size_format: FormatSizeOptions, verbos
     }
 
     let size = result.ignore_errors().size_in_bytes();
-    if atty::is(atty::Stream::Stdout) {
+    if stdout().is_terminal() {
         println!(
             "{} ({:} bytes)",
             format_size(size, size_format),