clippy_dev/src/main.rs

   1 #![cfg_attr(feature = "deny-warnings", deny(warnings))]
   2
   3 use clap::{App, Arg, SubCommand};
   4 use clippy_dev::{fmt, new_lint, stderr_length_check, update_lints};
   5
   6 fn main() {
   7     let matches = App::new("Clippy developer tooling")
   8         .subcommand(
   9             SubCommand::with_name("fmt")
  10                 .about("Run rustfmt on all projects and tests")
  11                 .arg(
  12                     Arg::with_name("check")
  13                         .long("check")
  14                         .help("Use the rustfmt --check option"),
  15                 )
  16                 .arg(
  17                     Arg::with_name("verbose")
  18                         .short("v")
  19                         .long("verbose")
  20                         .help("Echo commands run"),
  21                 ),
  22         )
  23         .subcommand(
  24             SubCommand::with_name("update_lints")
  25                 .about("Updates lint registration and information from the source code")
  26                 .long_about(
  27                     "Makes sure that:\n \
  28                      * the lint count in README.md is correct\n \
  29                      * the changelog contains markdown link references at the bottom\n \
  30                      * all lint groups include the correct lints\n \
  31                      * lint modules in `clippy_lints/*` are visible in `src/lib.rs` via `pub mod`\n \
  32                      * all lints are registered in the lint store",
  33                 )
  34                 .arg(Arg::with_name("print-only").long("print-only").help(
  35                     "Print a table of lints to STDOUT. \
  36                      This does not include deprecated and internal lints. \
  37                      (Does not modify any files)",
  38                 ))
  39                 .arg(
  40                     Arg::with_name("check")
  41                         .long("check")
  42                         .help("Checks that `cargo dev update_lints` has been run. Used on CI."),
  43                 ),
  44         )
  45         .subcommand(
  46             SubCommand::with_name("new_lint")
  47                 .about("Create new lint and run `cargo dev update_lints`")
  48                 .arg(
  49                     Arg::with_name("pass")
  50                         .short("p")
  51                         .long("pass")
  52                         .help("Specify whether the lint runs during the early or late pass")
  53                         .takes_value(true)
  54                         .possible_values(&["early", "late"])
  55                         .required(true),
  56                 )
  57                 .arg(
  58                     Arg::with_name("name")
  59                         .short("n")
  60                         .long("name")
  61                         .help("Name of the new lint in snake case, ex: fn_too_long")
  62                         .takes_value(true)
  63                         .required(true),
  64                 )
  65                 .arg(
  66                     Arg::with_name("category")
  67                         .short("c")
  68                         .long("category")
  69                         .help("What category the lint belongs to")
  70                         .default_value("nursery")
  71                         .possible_values(&[
  72                             "style",
  73                             "correctness",
  74                             "complexity",
  75                             "perf",
  76                             "pedantic",
  77                             "restriction",
  78                             "cargo",
  79                             "nursery",
  80                             "internal",
  81                             "internal_warn",
  82                         ])
  83                         .takes_value(true),
  84                 ),
  85         )
  86         .subcommand(
  87             SubCommand::with_name("limit_stderr_length")
  88                 .about("Ensures that stderr files do not grow longer than a certain amount of lines."),
  89         )
  90         .get_matches();
  91
  92     match matches.subcommand() {
  93         ("fmt", Some(matches)) => {
  94             fmt::run(matches.is_present("check"), matches.is_present("verbose"));
  95         },
  96         ("update_lints", Some(matches)) => {
  97             if matches.is_present("print-only") {
  98                 update_lints::print_lints();
  99             } else if matches.is_present("check") {
 100                 update_lints::run(update_lints::UpdateMode::Check);
 101             } else {
 102                 update_lints::run(update_lints::UpdateMode::Change);
 103             }
 104         },
 105         ("new_lint", Some(matches)) => {
 106             match new_lint::create(
 107                 matches.value_of("pass"),
 108                 matches.value_of("name"),
 109                 matches.value_of("category"),
 110             ) {
 111                 Ok(_) => update_lints::run(update_lints::UpdateMode::Change),
 112                 Err(e) => eprintln!("Unable to create lint: {}", e),
 113             }
 114         },
 115         ("limit_stderr_length", _) => {
 116             stderr_length_check::check();
 117         },
 118         _ => {},
 119     }
 120 }