Now is possible to pass ws url as env variable

OBS_WEBSOCKET_URL=obsws://localhost:4455/secret obs-cmd info

fix: #52

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "obs-cmd"
-version = "0.17.8"
+version = "0.18.1"
 edition = "2021"
 description = "A minimal command to control obs via obs-websocket"
 authors = ["Luigi Maselli <luigi@grigio.org>"]

README.md

@@ -31,6 +31,7 @@ obs-cmd replay status
 obs-cmd replay last-replay
 obs-cmd info
 obs-cmd --websocket obsws://localhost:4455/secret info # You can override the default `obsws` url
+OBS_WEBSOCKET_URL=obsws://localhost:4455/secret obs-cmd info
 ```
 
 You can override the websocket URL, which can be found in OBS -> Tools -> WebSocket Server Settings. `localhost` for the hostname will work for most, instead of the full IP address. If you set the password as `secret` you can avoid to specify the `--websocket` argument.

src/main.rs

@@ -11,14 +11,25 @@ use obws::requests::sources::SaveScreenshot;
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let cli = Cli::parse();
 
-    let client = match cli.websocket {
+let client = match std::env::var("OBS_WEBSOCKET_URL") {
+    Ok(url) => {
+        let parsed_url = url::Url::parse(&url).expect("Invalid OBS_WEBSOCKET_URL format");
+        let hostname = parsed_url.host_str().expect("Hostname not found in OBS_WEBSOCKET_URL").to_string();
+        let port = parsed_url.port().expect("Port not found in OBS_WEBSOCKET_URL");
+        let password = parsed_url.path_segments().and_then(|mut segments| segments.next()).ok_or(url::ParseError::RelativeUrlWithoutBase)?;
+
+        // let password = parsed_url.password().map(|p| p.to_string());
+        Client::connect(hostname, port, Some(password)).await?
+    },
+    Err(_) => match cli.websocket {
         Some(ObsWebsocket {
             hostname,
             port,
             password,
         }) => Client::connect(hostname, port, password).await?,
         None => Client::connect("localhost", 4455, Some("secret")).await?,
-    };
+    },
+};
 
     match &cli.command {
         Commands::Scene(action) => {