Use `nu-ansi-term` instead of `ansi_term`

The `nu-ansi-term` crate is a fork of `ansi_term` which is maintained by
the Nushell project.

Cargo.lock

@@ -26,15 +26,6 @@ dependencies = [
  "rgb",
 ]
 
-[[package]]
-name = "ansi_term"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "assert_cmd"
 version = "2.0.8"
@@ -77,7 +68,6 @@ name = "bat"
 version = "0.22.1"
 dependencies = [
  "ansi_colours",
- "ansi_term",
  "assert_cmd",
  "atty",
  "bincode",
@@ -95,6 +85,7 @@ dependencies = [
  "globset",
  "grep-cli",
  "nix",
+ "nu-ansi-term",
  "once_cell",
  "path_abs",
  "plist",
@@ -747,6 +738,15 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "61807f77802ff30975e01f4f071c8ba10c022052f98b3294119f3e615d13e5be"
 
+[[package]]
+name = "nu-ansi-term"
+version = "0.47.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1df031e117bca634c262e9bd3173776844b6c17a90b3741c9163663b4385af76"
+dependencies = [
+ "windows-sys 0.45.0",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.15"

Cargo.toml

@@ -42,7 +42,7 @@ regex-fancy = ["syntect/regex-fancy"] # Use the rust-only "fancy-regex" engine
 
 [dependencies]
 atty = { version = "0.2.14", optional = true }
-ansi_term = "^0.12.1"
+nu-ansi-term = "0.47.0"
 ansi_colours = "^1.2"
 bincode = "1.0"
 console = "0.15.5"

src/bin/bat/app.rs

@@ -38,7 +38,7 @@ pub struct App {
 impl App {
     pub fn new() -> Result<Self> {
         #[cfg(windows)]
-        let _ = ansi_term::enable_ansi_support();
+        let _ = nu_ansi_term::enable_ansi_support();
 
         let interactive_output = atty::is(Stream::Stdout);
 

src/bin/bat/main.rs

@@ -14,8 +14,8 @@ use std::io::{BufReader, Write};
 use std::path::Path;
 use std::process;
 
-use ansi_term::Colour::Green;
-use ansi_term::Style;
+use nu_ansi_term::Color::Green;
+use nu_ansi_term::Style;
 
 use crate::{
     app::App,

src/decorations.rs

@@ -1,7 +1,7 @@
 #[cfg(feature = "git")]
 use crate::diff::LineChange;
 use crate::printer::{Colors, InteractivePrinter};
-use ansi_term::Style;
+use nu_ansi_term::Style;
 
 #[derive(Debug, Clone)]
 pub(crate) struct DecorationText {

src/error.rs

@@ -43,7 +43,7 @@ impl From<String> for Error {
 pub type Result<T> = std::result::Result<T, Error>;
 
 pub fn default_error_handler(error: &Error, output: &mut dyn Write) {
-    use ansi_term::Colour::Red;
+    use nu_ansi_term::Color::Red;
 
     match error {
         Error::Io(ref io_error) if io_error.kind() == ::std::io::ErrorKind::BrokenPipe => {

src/macros.rs

@@ -1,7 +1,7 @@
 #[macro_export]
 macro_rules! bat_warning {
     ($($arg:tt)*) => ({
-        use ansi_term::Colour::Yellow;
+        use nu_ansi_term::Color::Yellow;
         eprintln!("{}: {}", Yellow.paint("[bat warning]"), format!($($arg)*));
     })
 }

src/printer.rs

@@ -1,8 +1,8 @@
 use std::io::Write;
 use std::vec::Vec;
 
-use ansi_term::Colour::{Fixed, Green, Red, Yellow};
-use ansi_term::Style;
+use nu_ansi_term::Color::{Fixed, Green, Red, Yellow};
+use nu_ansi_term::Style;
 
 use bytesize::ByteSize;
 

src/terminal.rs

@@ -1,9 +1,9 @@
-use ansi_term::Color::{self, Fixed, RGB};
-use ansi_term::{self, Style};
+use nu_ansi_term::Color::{self, Fixed, Rgb};
+use nu_ansi_term::{self, Style};
 
 use syntect::highlighting::{self, FontStyle};
 
-pub fn to_ansi_color(color: highlighting::Color, true_color: bool) -> Option<ansi_term::Color> {
+pub fn to_ansi_color(color: highlighting::Color, true_color: bool) -> Option<nu_ansi_term::Color> {
     if color.a == 0 {
         // Themes can specify one of the user-configurable terminal colors by
         // encoding them as #RRGGBBAA with AA set to 00 (transparent) and RR set
@@ -38,7 +38,7 @@ pub fn to_ansi_color(color: highlighting::Color, true_color: bool) -> Option<ans
         // 01. The built-in theme ansi uses this.
         None
     } else if true_color {
-        Some(RGB(color.r, color.g, color.b))
+        Some(Rgb(color.r, color.g, color.b))
     } else {
         Some(Fixed(ansi_colours::ansi256_from_rgb((
             color.r, color.g, color.b,