Respect the NO_COLOR env. arg.

Cargo.toml

@@ -13,13 +13,14 @@ description = "A command-line utility for easily compressing and decompressing f
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-walkdir = "2.3.2"
-strsim  = "0.10.0"
-flate2  = { version = "1.0.22", default-features = false, features = ["zlib"] }
-bzip2   = "0.4.3"
-tar     = "0.4.37"
-xz2     = "0.1.6"
-zip     = { version =  "0.5.13", default-features = false, features = ["deflate-miniz"] }
+walkdir     = "2.3.2"
+strsim      = "0.10.0"
+flate2      = { version = "1.0.22", default-features = false, features = ["zlib"] }
+bzip2       = "0.4.3"
+tar         = "0.4.37"
+xz2         = "0.1.6"
+zip         = { version =  "0.5.13", default-features = false, features = ["deflate-miniz"] }
+lazy_static = "1.4.0"
 
 [dev-dependencies]
 tempfile = "3.2.0"

src/lib.rs

@@ -13,10 +13,20 @@ mod utils;
 
 pub use error::{Error, Result};
 
+use lazy_static::lazy_static;
+
 pub const EXIT_FAILURE: i32 = 127;
 
 const VERSION: &str = "0.1.5";
 
+lazy_static! {
+    static ref NO_COLOR_IS_SET: bool = {
+        use std::env;
+
+        env::var("NO_COLOR").is_ok()
+    };
+}
+
 fn help_command() {
     use utils::colors::*;
     /*

src/macros.rs

@@ -1,13 +1,25 @@
+use crate::NO_COLOR_IS_SET;
+
 #[macro_export]
 macro_rules! info {
 
     ($writer:expr, $($arg:tt)*) => {
-        use crate::utils::colors::{reset, yellow};
-        print!("{}[INFO]{} ", yellow(), reset());
+        use crate::macros::_info_helper;
+        _info_helper();
         println!($writer, $($arg)*);
     };
     ($writer:expr) => {
-        print!("{}[INFO]{} ", yellow(), reset());
+        _info_helper();
         println!($writer);
     };
 }
+
+pub fn _info_helper() {
+    use crate::utils::colors::{reset, yellow};
+
+    if *NO_COLOR_IS_SET {
+        print!("[INFO] ");
+    } else {
+        print!("{}[INFO]{} ", yellow(), reset());
+    }
+}

src/utils.rs

@@ -10,7 +10,7 @@ use crate::{dialogs::Confirmation, info, oof};
 pub fn create_dir_if_non_existent(path: &Path) -> crate::Result<()> {
     if !path.exists() {
         fs::create_dir_all(path)?;
-        info!("directory {:#?} created.", to_utf(path));
+        info!("directory {} created.", to_utf(path));
     }
     Ok(())
 }