Add --strip-ansi option

src/bin/bat/app.rs

@@ -7,6 +7,7 @@ use crate::{
     clap_app,
     config::{get_args_from_config_file, get_args_from_env_opts_var, get_args_from_env_vars},
 };
+use bat::StripAnsiMode;
 use clap::ArgMatches;
 
 use console::Term;
@@ -242,6 +243,15 @@ impl App {
                         4
                     },
                 ),
+            strip_ansi: match self
+                .matches
+                .get_one::<String>("strip-ansi")
+                .map(|s| s.as_str())
+            {
+                Some("never") => StripAnsiMode::Never,
+                Some("always") => StripAnsiMode::Always,
+                _ => unreachable!("other values for --strip-ansi are not allowed"),
+            },
             theme: self
                 .matches
                 .get_one::<String>("theme")

src/bin/bat/clap_app.rs

@@ -402,6 +402,18 @@ pub fn build_app(interactive_output: bool) -> Command {
                 .long_help("Set the maximum number of consecutive empty lines to be printed.")
                 .hide_short_help(true)
         )
+        .arg(
+            Arg::new("strip-ansi")
+                .long("strip-ansi")
+                .overrides_with("strip-ansi")
+                .value_name("when")
+                .value_parser(["always", "never"])
+                .default_value("never")
+                .hide_default_value(true)
+                .help("Strip colors from the input (always, *never*)")
+                .long_help("Specify when to strip ANSI escape sequences from the input. Possible values: always, *never*.")
+                .hide_short_help(true)
+        )
         .arg(
             Arg::new("style")
                 .long("style")