Don't colorize if output isn't a terminal

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/main.rs b/src/main.rs
index 2ddb26d..a51c03a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -6,6 +6,7 @@ use std::error::Error;
 use std::process::Command;
 use clap::{Parser, Subcommand};
 use colored::*;
+use colored::control::ShouldColorize;
 use nom::number::complete::float;
 use pager::Pager;
 use serde_derive::{Serialize, Deserialize};
@@ -280,7 +281,7 @@ fn results_to_results_with_deltas(results: TestResultsVec) -> TestResultsDeltasV
 }
 
 fn list_tests(repo: &git2::Repository, head: &Option<String>) {
-    colored::control::set_override(true);
+    colored::control::set_override(ShouldColorize::from_env().should_colorize());
     Pager::with_pager("less -FRX").setup();
 
     let results = results_read(RESULTS).unwrap();