Highlight executable files

Cargo.lock

@@ -1,6 +1,6 @@
 [root]
 name = "fd"
-version = "0.3.0"
+version = "1.0.0"
 dependencies = [
  "ansi_term 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "getopts 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "fd"
-version = "0.3.0"
+version = "1.0.0"
 authors = ["David Peter <mail@david-peter.de>"]
 
 [dependencies]

src/lscolors/mod.rs

@@ -24,6 +24,9 @@ pub struct LsColors {
     /// ANSI style for symbolic links.
     pub symlink: Style,
 
+    /// ANSI style for executable files.
+    pub executable: Style,
+
     /// A map that defines ANSI styles for different file extensions.
     pub extensions: ExtensionStyles,
 
@@ -37,6 +40,7 @@ impl Default for LsColors {
         LsColors {
             directory: Colour::Blue.bold(),
             symlink: Colour::Cyan.normal(),
+            executable: Colour::Red.bold(),
             extensions: HashMap::new(),
             filenames: HashMap::new()
         }
@@ -125,6 +129,7 @@ impl LsColors {
                         match code.as_ref() {
                             "di" => self.directory = style,
                             "ln" => self.symlink = style,
+                            "ex" => self.executable = style,
                             _ => return
                         }
                     } else if pattern.starts_with("*.") {

src/main.rs

@@ -12,6 +12,7 @@ use std::error::Error;
 use std::ffi::OsStr;
 use std::fs;
 use std::io::Write;
+use std::os::unix::fs::PermissionsExt;
 use std::path::{Path, Component};
 use std::process;
 
@@ -76,6 +77,13 @@ fn print_entry(base: &Path, entry: &Path, config: &FdOptions) {
         None    => return
     };
 
+    let is_executable = |p: &std::path::PathBuf| {
+        p.metadata()
+         .ok()
+         .map(|f| f.permissions().mode() & 0o111 != 0)
+         .unwrap_or(false)
+    };
+
     if let Some(ref ls_colors) = config.ls_colors {
         let mut component_path = base.to_path_buf();
 
@@ -100,6 +108,8 @@ fn print_entry(base: &Path, entry: &Path, config: &FdOptions) {
                     ls_colors.symlink
                 } else if component_path.is_dir() {
                     ls_colors.directory
+                } else if is_executable(&component_path) {
+                    ls_colors.executable
                 } else {
                     // Look up file name
                     let o_style =