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Respect NO_COLOR and CLICOLOR_FORCE in libtest #139864

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Respect NO_COLOR and CLICOLOR_FORCE in libtest #139864

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4 changes: 4 additions & 0 deletions library/test/src/cli.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,11 @@ pub struct TestOpts {

impl TestOpts {
pub fn use_color(&self) -> bool {
// Implement the algorithm as described in https://bixense.com/clicolors/. We don't need to
// check CLICOLOR because it's the default anyway.
match self.color {
ColorConfig::AutoColor if env::var_os("NO_COLOR").is_some() => false,
ColorConfig::AutoColor if env::var_os("CLICOLOR_FORCE").is_some() => true,
ColorConfig::AutoColor => !self.nocapture && io::stdout().is_terminal(),
ColorConfig::AlwaysColor => true,
ColorConfig::NeverColor => false,
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