refactor: drop --debug flag

Cargo.toml

@@ -7,7 +7,7 @@ rayon = "*"
 rnix = "*"
 termion = "*"
 tui = { version = "*", default-features = false, features = ["termion"] }
-rowan = "*"
+rowan = "0.12.6" # follows rnix
 walkdir = "*"
 
 [package]

src/cli.rs

@@ -2,13 +2,6 @@ pub fn parse(args: Vec<String>) -> clap::ArgMatches {
     clap::Command::new("Alejandra")
         .about("The Uncompromising Nix Code Formatter.")
         .version(crate::version::VERSION)
-        .arg(
-            clap::Arg::new("debug")
-                .help("Enable debug mode.")
-                .long("debug")
-                .short('d')
-                .takes_value(false),
-        )
         .arg(
             clap::Arg::new("paths")
                 .help("Files or directories, or none to format stdin.")

src/config.rs

@@ -6,28 +6,19 @@ pub enum Layout {
 
 #[derive(Clone)]
 pub struct Config {
-    debug:  bool,
     layout: Layout,
 }
 
 impl Config {
     pub fn new() -> Config {
-        Config { debug: false, layout: Layout::Tall }
-    }
-
-    pub fn debug(&self) -> bool {
-        self.debug
+        Config { layout: Layout::Tall }
     }
 
     pub fn layout(&self) -> &Layout {
         &self.layout
     }
 
-    pub fn with_debug(&self, debug: bool) -> Config {
-        Config { debug, layout: self.layout.clone() }
-    }
-
     pub fn with_layout(&self, layout: Layout) -> Config {
-        Config { debug: self.debug, layout }
+        Config { layout }
     }
 }

src/format.rs

@@ -14,10 +14,6 @@ pub fn string(
     let green_node =
         crate::builder::build(config, ast.node().into(), false, path).unwrap();
 
-    if config.debug() {
-        crate::debug::display(&(&green_node).into());
-    }
-
     green_node.to_string()
 }
 

src/lib.rs

@@ -2,7 +2,6 @@ pub mod builder;
 pub mod children;
 pub mod cli;
 pub mod config;
-pub mod debug;
 pub mod find;
 pub mod format;
 pub mod position;

src/main.rs

@@ -1,8 +1,7 @@
 fn main() -> std::io::Result<()> {
     let matches = alejandra::cli::parse(std::env::args().collect());
 
-    let debug: bool = matches.is_present("debug");
-    let config = alejandra::config::Config::new().with_debug(debug);
+    let config = alejandra::config::Config::new();
 
     match matches.values_of("paths") {
         Some(paths) => {