change cli to supply data dir path

1 files changed, 16 insertions, 7 deletions

diff --git a/server/src/main.rs b/server/src/main.rs
index db667779..5b191365 100644
--- a/server/src/main.rs
+++ b/server/src/main.rs
@@ -16,9 +16,10 @@
 
 */
 use anyhow::{anyhow, Result};
+use clap::Parser;
 use futures_util::{SinkExt, StreamExt};
 use log::{debug, info, warn, LevelFilter};
-use std::{env::args, path::PathBuf, process::exit, str::FromStr, sync::Arc, time::Duration};
+use std::{path::PathBuf, process::exit, str::FromStr, sync::Arc, time::Duration};
 use tokio::{
     net::TcpListener,
     spawn,
@@ -32,25 +33,33 @@ use undercooked::{
     state::State,
 };
 
+#[derive(Parser)]
+struct Args {
+    #[arg(short, long)]
+    version: bool,
+    #[arg(short, long, default_value = "./data")]
+    data_dir: PathBuf,
+}
+
 fn main() -> Result<()> {
     env_logger::builder()
         .filter_level(LevelFilter::Info)
         .parse_env("LOG")
         .init();
 
-    if let Some(arg) = args().nth(1) {
-        match arg.as_str() {
-            "version" => println!("{}", env!("CARGO_PKG_VERSION")),
-            _ => panic!("unknown subcommand"),
-        }
+    let args = Args::parse();
+
+    if args.version {
+        println!("{}", env!("CARGO_PKG_VERSION"));
         exit(0);
     }
 
     let data_dir = PathBuf::from_str(
         [
+            args.data_dir.to_str().unwrap(),
             "/usr/local/share/undercooked/data",
             "/usr/share/undercooked/data",
-            "./data",
+            "/opt/undercooked/data",
         ]
         .into_iter()
         .find(|p| PathBuf::from_str(p).unwrap().join("index.yaml").exists())