graph, node: Remove the use of atty

std::io::IsTerminal provides the same functionality.

Fixes #6026

Author: lutter

Cargo.lock

@@ -26,7 +26,6 @@ diesel_derives = { workspace = true }
 chrono = "0.4.43"
 envconfig = { workspace = true }
 Inflector = "0.11.3"
-atty = "0.2"
 reqwest = { version = "0.12.23", features = ["json", "stream", "multipart"] }
 ethabi = "17.2"
 hex = "0.4.3"

graph/Cargo.toml

@@ -78,7 +78,6 @@ pub mod prelude {
     pub use ::anyhow;
     pub use alloy;
     pub use anyhow::{anyhow, Context as _, Error};
-    pub use atty;
     pub use chrono;
     pub use diesel;
     pub use envconfig;

graph/src/lib.rs

@@ -17,12 +17,15 @@ macro_rules! impl_slog_value {
     };
 }
 
-use atty;
 use slog::*;
 use slog_async;
 use slog_envlogger;
 use slog_term::*;
-use std::{fmt, io, result};
+use std::{
+    fmt,
+    io::{self, IsTerminal},
+    result,
+};
 
 use crate::prelude::ENV_VARS;
 
@@ -36,7 +39,7 @@ pub fn logger(show_debug: bool) -> Logger {
 }
 
 pub fn logger_with_levels(show_debug: bool, levels: Option<&str>) -> Logger {
-    let use_color = atty::is(atty::Stream::Stdout);
+    let use_color = io::stdout().is_terminal();
     let decorator = slog_term::TermDecorator::new().build();
     let drain = CustomFormat::new(decorator, use_color).fuse();
     let drain = slog_envlogger::LogBuilder::new(drain)

graph/src/log/mod.rs

@@ -1,7 +1,10 @@
-use std::{io, sync::Mutex};
+use std::{
+    io::{self, IsTerminal as _},
+    sync::Mutex,
+};
 use termcolor::{Color, ColorChoice, ColorSpec, StandardStream, WriteColor};
 
-use graph::prelude::{atty, lazy_static};
+use graph::prelude::lazy_static;
 
 use super::CmdResult;
 
@@ -27,7 +30,7 @@ impl Terminal {
             "always" => ColorChoice::Always,
             "ansi" => ColorChoice::AlwaysAnsi,
             "auto" => {
-                if atty::is(atty::Stream::Stdout) {
+                if io::stdout().is_terminal() {
                     ColorChoice::Auto
                 } else {
                     ColorChoice::Never