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Simplify listener definition (#681)

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This simplifies the logic to build the listener by using more clap
features instead of manually accessing the PORT environment variable.
This also removes unnecessary `unwrap_or` calls that set defaults that
are already set by clap.
This commit is contained in:
Spenser Black 2023-01-12 03:41:59 -05:00 • committed by GitHub
parent e238a7b168
commit 2a54043afc
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2 changed files with 7 additions and 5 deletions
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10
src/main.rs
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@ -13,7 +13,7 @@ mod user;
mod utils;
// Import Crates
use clap::{Arg, Command};
use clap::{Arg, ArgAction, Command};
use futures_lite::FutureExt;
use hyper::{header::HeaderValue, Body, Request, Response};
@ -130,8 +130,10 @@ async fn main() {
.short('p')
.long("port")
.value_name("PORT")
.env("PORT")
.help("Port to listen on")
.default_value("8080")
.action(ArgAction::Set)
.num_args(1),
)
.arg(
@ -145,11 +147,11 @@ async fn main() {
)
.get_matches();
let address = matches.get_one("address").map(|m: &String| m.as_str()).unwrap_or("0.0.0.0");
let port = std::env::var("PORT").unwrap_or_else(|_| matches.get_one("port").map(|m: &String| m.as_str()).unwrap_or("8080").to_string());
let address = matches.get_one::<String>("address").unwrap();
let port = matches.get_one::<String>("port").unwrap();
let hsts = matches.get_one("hsts").map(|m: &String| m.as_str());
let listener = [address, ":", &port].concat();
let listener = [address, ":", port].concat();
println!("Starting Libreddit...");