deja-vu/core/src/cli.rs

58 lines
1.7 KiB
Rust

// This file is part of Deja-Vu.
//
// Deja-Vu is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Deja-Vu is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Deja-Vu. If not, see <https://www.gnu.org/licenses/>.
//
use clap::Parser;
use crate::config::{get_config_dir, get_data_dir};
#[derive(Parser, Debug)]
#[command(author, version = version(), about)]
pub struct Cli {
/// Tick rate, i.e. number of ticks per second
#[arg(short, long, value_name = "FLOAT", default_value_t = 4.0)]
pub tick_rate: f64,
/// Frame rate, i.e. number of frames per second
#[arg(short, long, value_name = "FLOAT", default_value_t = 60.0)]
pub frame_rate: f64,
}
const VERSION_MESSAGE: &str = concat!(
env!("CARGO_PKG_VERSION"),
"-",
env!("VERGEN_GIT_DESCRIBE"),
" (",
env!("VERGEN_BUILD_DATE"),
")"
);
#[must_use]
pub fn version() -> String {
let author = clap::crate_authors!();
// let current_exe_path = PathBuf::from(clap::crate_name!()).display().to_string();
let config_dir_path = get_config_dir().display().to_string();
let data_dir_path = get_data_dir().display().to_string();
format!(
"\
{VERSION_MESSAGE}
Authors: {author}
Config directory: {config_dir_path}
Data directory: {data_dir_path}"
)
}