Cows. Cows everywhere.

Cargo.toml

@@ -11,11 +11,13 @@ readme = "README.md"
 keywords = ["color", "string", "term", "ansi_term", "term-painter"]
 
 [features]
+default = ["tty", "color"]
+tty = ["dep:atty"]
 # with this feature, no color will ever be written
-no-color = []
+color = []
 
 [dependencies]
-atty = "0.2"
+atty = { version = "0.2", optional = true }
 lazy_static = "1"
 
 [target.'cfg(windows)'.dependencies.winapi]

README.md

@@ -118,10 +118,14 @@ using the `no-color` feature.
 For example, you can do this in your `Cargo.toml` to disable color in tests:
 
 ```toml
+[dependencies]
+colored = { version = "2", default-features = false, features = [ "tty" ] }
+
 [features]
-# this effectively enable the feature `no-color` of colored when testing with
+# this effectively disables the feature `color` of colored when testing with
 # `cargo test --feature dumb_terminal`
-dumb_terminal = ["colored/no-color"]
+dumb_terminal = ["colored"]
+color_terminal = ["colored/color"]
 ```
 
 You can use have even finer control by using the

examples/dynamic_colors.rs

@@ -3,12 +3,12 @@ use colored::*;
 
 fn main() {
     // the easy way
-    "blue string yo".color("blue");
+    println!("{}", "blue string yo".color("blue"));
 
     // this will default to white
-    "white string".color("zorglub");
+    println!("{}", "white string".color("zorglub"));
 
     // the safer way via a Result
     let color_res = "zorglub".parse(); // <- this returns a Result<Color, ()>
-    "red string".color(color_res.unwrap_or(Color::Red));
+    println!("{}", "red string".color(color_res.unwrap_or(Color::Red)));
 }

src/control.rs

@@ -103,9 +103,17 @@ impl ShouldColorize {
     /// `CLICOLOR_FORCE` takes highest priority, followed by `NO_COLOR`,
     /// followed by `CLICOLOR` combined with tty check.
     pub fn from_env() -> Self {
+        let tty = {
+            #[cfg(feature = "tty")]
+            {
+                atty::is(atty::Stream::Stdout)
+            }
+            #[cfg(not(feature = "tty"))]
+            false
+        };
         ShouldColorize {
-            clicolor: ShouldColorize::normalize_env(env::var("CLICOLOR")).unwrap_or_else(|| true)
-                && atty::is(atty::Stream::Stdout),
+            clicolor: ShouldColorize::normalize_env(env::var("CLICOLOR")).unwrap_or(true)
+                && tty,
             clicolor_force: ShouldColorize::resolve_clicolor_force(
                 env::var("NO_COLOR"),
                 env::var("CLICOLOR_FORCE"),