use LS_COLORS for directories

Cargo.lock

@@ -186,6 +186,7 @@ dependencies = [
  "assert_cli 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jwalk 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lscolors 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "terminal_size 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -265,6 +266,14 @@ name = "libc"
 version = "0.2.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "lscolors"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "ansi_term 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "memoffset"
 version = "0.5.3"
@@ -560,6 +569,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum jwalk 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2b3dbf0a8f61baee43a2918ff50ac6a2d3b2c105bc08ed53bc298779f1263409"
 "checksum lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 "checksum libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)" = "d515b1f41455adea1313a4a2ac8a8a477634fbae63cc6100e3aebb207ce61558"
+"checksum lscolors 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ea3b3414b2d015c4fd689815f2551797f3c2296bb241dd709c7da233ec7cba4b"
 "checksum memoffset 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "75189eb85871ea5c2e2c15abbdd541185f63b408415e5051f5cac122d8c774b9"
 "checksum num_cpus 1.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "46203554f085ff89c235cd12f7075f3233af9b11ed7c9e16dfe2560d03313ce6"
 "checksum ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"

Cargo.toml

@@ -24,6 +24,7 @@ path = "src/main.rs"
 ansi_term = "=0.12"
 clap = "=2.33"
 jwalk = "0.4.0"
+lscolors = "0.6.0"
 num_cpus = "1.12"
 terminal_size = "0.1.10"
 unicode-width = "0.1.7"

README.md

@@ -3,7 +3,7 @@
 
 # Dust
 
-du + rust = dust. Like du but more intuitive
+du + rust = dust. Like du but more intuitive.
 
 # Why
 
@@ -14,21 +14,21 @@ Because I want an easy way to see where my disk is being used.
 
 ## Install
 
-#### Cargo Install
+#### Cargo
 
-* cargo install du-dust
+* `cargo install du-dust`
 
-#### Download Install
+#### Download
 
-* Download linux / mac binary from [Releases](https://github.com/bootandy/dust/releases)
+* Download Linux/Mac binary from [Releases](https://github.com/bootandy/dust/releases)
-* unzip file: tar -xvf _downloaded_file.tar.gz_
+* unzip file: `tar -xvf _downloaded_file.tar.gz`
-* move file to executable path: sudo mv dust /usr/local/bin/
+* move file to executable path: `sudo mv dust /usr/local/bin/`
 
 ## Overview
 
-Dust is meant to give you an instant overview of which directories are using disk space without requiring sort or head. Dust will print a maximum of 1 'Did not have permissions message'.
+Dust is meant to give you an instant overview of which directories are using disk space without requiring sort or head. Dust will print a maximum of one 'Did not have permissions message'.
 
-Dust will list a slightly-less-than-the-terminal-height number of the biggest sub directories or files and will smartly recurse down the tree to find the larger ones. There is no need for a '-d' flag or a '-h' flag. The largest sub directory will have its size shown in *red*
+Dust will list a slightly-less-than-the-terminal-height number of the biggest subdirectories or files and will smartly recurse down the tree to find the larger ones. There is no need for a '-d' flag or a '-h' flag. The largest subdirectories will be colored.
 
 ## Usage
 
@@ -38,12 +38,12 @@ Usage: dust <dir>
 Usage: dust <dir>  <another_dir> <and_more>
 Usage: dust -p <dir>  (full-path - does not shorten the path of the subdirectories)
 Usage: dust -s <dir>  (apparent-size - shows the length of the file as opposed to the amount of disk space it uses)
-Usage: dust -n 30  <dir>  (Shows 30 directories not the default)
+Usage: dust -n 30  <dir>  (shows 30 directories instead of the default)
-Usage: dust -d 3  <dir>  (Shows 3 levels of subdirectories)
+Usage: dust -d 3  <dir>  (shows 3 levels of subdirectories)
-Usage: dust -r  <dir>  (Reverse order of output, with root at the lowest)
+Usage: dust -r  <dir>  (reverse order of output, with root at the lowest)
-Usage: dust -x  <dir>  (Only show directories on same filesystem)
+Usage: dust -x  <dir>  (only show directories on the same filesystem)
-Usage: dust -X ignore  <dir>  (Ignore all files and directories with the name 'ignore')
+Usage: dust -X ignore  <dir>  (ignore all files and directories with the name 'ignore')
-Usage: dust -b <dir>  (Do not show percentages or draw the ASCII bars)
+Usage: dust -b <dir>  (do not show percentages or draw ASCII bars)
 ```
 
 

src/display.rs

@@ -1,8 +1,9 @@
 extern crate ansi_term;
 
-use self::ansi_term::Colour::Fixed;
 use crate::utils::Node;
 
+use lscolors::{LsColors, Style};
+
 use terminal_size::{terminal_size, Height, Width};
 
 use unicode_width::UnicodeWidthStr;
@@ -287,7 +288,12 @@ pub fn format_string(
     };
 
     let pretty_size = if is_biggest && display_data.colors_on {
-        format!("{}", Fixed(196).paint(pretty_size))
+        let lscolors = LsColors::from_env().unwrap_or_default();
+        let directory_color = lscolors.style_for_indicator(lscolors::Indicator::Directory);
+        let ansi_style = directory_color
+            .map(Style::to_ansi_term_style)
+            .unwrap_or_default();
+        format!("{}", ansi_style.paint(pretty_size))
     } else {
         pretty_size
     };