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Serve on a random port when user provides --port 0 #2630

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Serve on a random port when user provides --port 0 #2630

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Serve on a random port when user provides --port 0 
Closes #2599
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@szabgab
szabgab committed Apr 2, 2025
commit 8159b9b5bd4b90d10999d188b2d45b2547069566
8 changes: 7 additions & 1 deletion src/cmd/serve.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,13 @@ pub fn execute(args: &ArgMatches) -> Result<()> {
let hostname = args.get_one::<String>("hostname").unwrap();
let open_browser = args.get_flag("open");

let address = format!("{hostname}:{port}");
let mut address = format!("{hostname}:{port}");

if port == "0" {
let listener = std::net::TcpListener::bind(address).unwrap();
let port = listener.local_addr().unwrap().port();
address = format!("{hostname}:{port}");
}
Comment on lines +57 to +63
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@GuillaumeGomez GuillaumeGomez Apr 9, 2025

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Why not doing this when starting the server?


let update_config = |book: &mut MDBook| {
book.config
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