traxys/tree-sitter
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Print help/version info when run w/ no subcommand

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This commit is contained in:
Max Brunsfeld 2019-01-17 15:15:40 -08:00
parent 53c8eaa4c2
commit c204b5e728
2 changed files with 30 additions and 2 deletions
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6
cli/src/main.rs
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@ -21,7 +21,7 @@ mod util;
mod tests;
use self::loader::Loader;
use clap::{App, Arg, SubCommand};
use clap::{App, AppSettings, Arg, SubCommand};
use std::env;
use std::fs;
use std::path::Path;
@ -37,7 +37,8 @@ fn main() {
fn run() -> error::Result<()> {
let matches = App::new("tree-sitter")
.version("0.1")
.version(concat!(env!("CARGO_PKG_VERSION"), " (", env!("BUILD_SHA"), ")"))
.setting(AppSettings::SubcommandRequiredElseHelp)
.author("Max Brunsfeld <maxbrunsfeld@gmail.com>")
.about("Generates and tests parsers")
.subcommand(
@ -77,6 +78,7 @@ fn run() -> error::Result<()> {
let home_dir = dirs::home_dir().unwrap();
let current_dir = env::current_dir().unwrap();
let config_dir = home_dir.join(".tree-sitter");
fs::create_dir_all(&config_dir).unwrap();
let mut loader = Loader::new(config_dir);