Remove mdcat dependency (#2959)

crates/ruff_cli/Cargo.toml

@@ -42,10 +42,8 @@ glob = { version = "0.3.0" }
 ignore = { version = "0.4.18" }
 itertools = { workspace = true }
 log = { version = "0.4.17" }
-mdcat = { version = "1.0.0", default-features = false }
 notify = { version = "5.0.0" }
 path-absolutize = { version = "3.0.14", features = ["once_cell_cache"] }
-pulldown-cmark = { version = "0.9.2", default-features = false, features = ['simd'] }
 quick-junit = { version = "0.3.2" }
 rayon = { version = "1.5.3" }
 regex = { workspace = true }
@@ -54,7 +52,6 @@ serde = { workspace = true }
 serde_json = { workspace = true }
 similar = { version = "2.2.1" }
 strum = { version = "0.24.1" }
-syntect = { version = "5.0.0", default-features = false, features = ["parsing", "regex-fancy", "default-themes", "default-syntaxes"] }
 textwrap = { version = "0.16.0" }
 walkdir = { version = "2.3.2" }
 

crates/ruff_cli/src/args.rs

@@ -41,7 +41,7 @@ pub enum Command {
         rule: Rule,
 
         /// Output format
-        #[arg(long, value_enum, default_value = "pretty")]
+        #[arg(long, value_enum, default_value = "text")]
         format: HelpFormat,
     },
     /// List or describe the available configuration options
@@ -296,7 +296,6 @@ pub struct CheckArgs {
 pub enum HelpFormat {
     Text,
     Json,
-    Pretty,
 }
 
 #[allow(clippy::module_name_repetitions)]

crates/ruff_cli/src/commands/linter.rs

@@ -63,24 +63,6 @@ pub fn linter(format: HelpFormat) -> Result<()> {
             output.push_str(&serde_json::to_string_pretty(&linters)?);
             output.push('\n');
         }
-
-        HelpFormat::Pretty => {
-            output.push_str(&format!("| {:>6} | {:<27} |\n", "Prefix", "Name"));
-            output.push_str(&format!("| {:>6} | {:<27} |\n", "------", "-".repeat(27)));
-
-            for linter in Linter::iter() {
-                let prefix = match linter.common_prefix() {
-                    "" => linter
-                        .upstream_categories()
-                        .unwrap()
-                        .iter()
-                        .map(|UpstreamCategory(prefix, ..)| prefix.short_code())
-                        .join("/"),
-                    prefix => prefix.to_string(),
-                };
-                output.push_str(&format!("| {:>6} | {:<27} |\n", prefix, linter.name()));
-            }
-        }
     }
 
     write!(stdout, "{output}")?;

crates/ruff_cli/src/commands/rule.rs

@@ -1,12 +1,7 @@
 use std::io::{self, BufWriter, Write};
 
 use anyhow::Result;
-use colored::control::SHOULD_COLORIZE;
-use mdcat::terminal::{TerminalProgram, TerminalSize};
-use mdcat::{Environment, ResourceAccess, Settings};
-use pulldown_cmark::{Options, Parser};
 use serde::Serialize;
-use syntect::parsing::SyntaxSet;
 
 use ruff::registry::{Linter, Rule, RuleNamespace};
 use ruff::AutofixAvailability;
@@ -27,7 +22,7 @@ pub fn rule(rule: &Rule, format: HelpFormat) -> Result<()> {
     let mut output = String::new();
 
     match format {
-        HelpFormat::Text | HelpFormat::Pretty => {
+        HelpFormat::Text => {
             output.push_str(&format!("# {} ({})", rule.as_ref(), rule.noqa_code()));
             output.push('\n');
             output.push('\n');
@@ -65,35 +60,7 @@ pub fn rule(rule: &Rule, format: HelpFormat) -> Result<()> {
         }
     };
 
-    match format {
-        HelpFormat::Json | HelpFormat::Text => {
     writeln!(stdout, "{output}")?;
-        }
-        HelpFormat::Pretty => {
-            let parser = Parser::new_ext(
-                &output,
-                Options::ENABLE_TASKLISTS | Options::ENABLE_STRIKETHROUGH,
-            );
-
-            let cwd = std::env::current_dir()?;
-            let env = &Environment::for_local_directory(&cwd)?;
-
-            let terminal = if SHOULD_COLORIZE.should_colorize() {
-                TerminalProgram::detect()
-            } else {
-                TerminalProgram::Dumb
-            };
-
-            let settings = &Settings {
-                resource_access: ResourceAccess::LocalOnly,
-                syntax_set: SyntaxSet::load_defaults_newlines(),
-                terminal_capabilities: terminal.capabilities(),
-                terminal_size: TerminalSize::detect().unwrap_or_default(),
-            };
-
-            mdcat::push_tty(settings, env, &mut stdout, parser)?;
-        }
-    };
 
     Ok(())
 }