Add --no-config option

src/app.rs

@@ -98,7 +98,9 @@ impl App {
     }
 
     fn matches(interactive_output: bool) -> ArgMatches<'static> {
-        let args = if wild::args_os().nth(1) == Some("cache".into()) {
+        let args = if wild::args_os().nth(1) == Some("cache".into())
+            || wild::args_os().any(|arg| arg == "--no-config")
+        {
             // Skip the arguments in bats config file
 
             wild::args_os().collect::<Vec<_>>()

src/clap_app.rs

@@ -243,6 +243,12 @@ pub fn build_app(interactive_output: bool) -> ClapApp<'static, 'static> {
                 .hidden(true)
                 .help("Set the width of the terminal"),
         )
+        .arg(
+            Arg::with_name("no-config")
+                .long("no-config")
+                .hidden(true)
+                .help("Do not use the configuration file"),
+        )
         .subcommand(
             SubCommand::with_name("cache")
                 .about("Modify the syntax-definition and theme cache")

tests/integration_tests.rs

@@ -6,6 +6,7 @@ use std::process::Command;
 fn bat() -> Command {
     let mut cmd = Command::main_binary().unwrap();
     cmd.current_dir("tests/examples");
+    cmd.arg("--no-config");
     cmd
 }
 

tests/tester.rs

@@ -43,6 +43,7 @@ impl BatTester {
             .current_dir(self.temp_dir.path())
             .args(&[
                 "sample.rs",
+                "--no-config",
                 "--paging=never",
                 "--color=never",
                 "--decorations=always",