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|
use clap::{App, Arg};
use colored::Colorize;
use std::{
env,
fs::File,
path::{Path, PathBuf},
};
pub struct Paths {
pub config: File,
pub data: PathBuf,
}
/// Initialise the application by getting valid path options
pub fn init() -> Paths {
let app = App::new("webgit")
.about("The friendly and simple git web frontend")
.version("0.0.0")
.arg(
Arg::with_name("CONFIG")
.short("c")
.long("config")
.takes_value(true)
.help(
"Provide the path to the system configuration. Alternatively \
set WEBGIT_CONFIG_PATH in your env",
),
)
.arg(
Arg::with_name("DATA_DIR")
.short("d")
.long("data-dir")
.takes_value(true)
.help(
"Specify where webgit should save git repositories. Alternatively \
set WEBGIT_DATA_DIR in your env",
),
);
let matches = app.get_matches();
Paths {
config: File::open(
env::var_os("WEBGIT_CONFIG_PATH")
.map(|os| match os.into_string() {
Ok(p) => p.to_owned(),
Err(_) => {
eprintln!("{}: Failed to parse provided config path!", "Error:".red());
std::process::exit(2);
}
})
.unwrap_or_else(|| match matches.value_of("CONFIG") {
Some(p) => p.to_owned(),
None => {
eprintln!("{}: No config provided!", "Error:".red());
std::process::exit(2);
}
}),
)
.expect(&format!("{}: Config file not found!", "Error:".red())),
data: Path::new(
&env::var_os("WEBGIT_DATA_DIR")
.map(|os| {
os.into_string().expect(&format!(
"{}: Failed to parse provided data-dir path!",
"Error".red()
))
})
.unwrap_or_else(|| match matches.value_of("CONFIG") {
Some(p) => p.to_owned(),
None => {
eprintln!("{}: No data dir provided!", "Error:".red());
std::process::exit(2);
}
}),
)
.into(),
}
}
|
