91 lines
3.0 KiB
Rust
91 lines
3.0 KiB
Rust
// Prevents additional console window on Windows in release, DO NOT REMOVE!!
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#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
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// borrowed from https://github.com/skyline69/balatro-mod-manager
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#[cfg(target_os = "linux")]
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fn configure_display_backend() -> Option<String> {
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use std::env;
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let set_env_if_absent = |key: &str, value: &str| {
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if env::var_os(key).is_none() {
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// Safety: called during startup before any threads are spawned, so mutating the
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// process environment is safe.
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unsafe { env::set_var(key, value) };
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}
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};
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let on_wayland = env::var_os("WAYLAND_DISPLAY").is_some()
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|| matches!(
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env::var("XDG_SESSION_TYPE"),
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Ok(v) if v.eq_ignore_ascii_case("wayland")
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);
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if !on_wayland {
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return None;
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}
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// Allow users to explicitly keep Wayland if they know their setup is stable.
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let allow_wayland = matches!(
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env::var("OC_ALLOW_WAYLAND"),
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Ok(v) if matches!(v.to_ascii_lowercase().as_str(), "1" | "true" | "yes")
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);
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if allow_wayland {
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return Some("Wayland session detected; respecting OC_ALLOW_WAYLAND=1".into());
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}
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// Prefer XWayland when available to avoid Wayland protocol errors seen during startup.
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if env::var_os("DISPLAY").is_some() {
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set_env_if_absent("WINIT_UNIX_BACKEND", "x11");
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set_env_if_absent("GDK_BACKEND", "x11");
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set_env_if_absent("WEBKIT_DISABLE_DMABUF_RENDERER", "1");
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return Some(
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"Wayland session detected; forcing X11 backend to avoid compositor protocol errors. \
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Set OC_ALLOW_WAYLAND=1 to keep native Wayland."
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.into(),
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);
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}
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set_env_if_absent("WEBKIT_DISABLE_DMABUF_RENDERER", "1");
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Some(
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"Wayland session detected without X11; leaving Wayland enabled (set WINIT_UNIX_BACKEND/GDK_BACKEND manually if needed)."
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.into(),
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)
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}
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fn main() {
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// Ensure loopback connections are never sent through proxy settings.
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// Some VPNs/proxies set HTTP_PROXY/HTTPS_PROXY/ALL_PROXY without excluding localhost.
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const LOOPBACK: [&str; 3] = ["127.0.0.1", "localhost", "::1"];
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let upsert = |key: &str| {
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let mut items = std::env::var(key)
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.unwrap_or_default()
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.split(',')
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.map(|v| v.trim())
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.filter(|v| !v.is_empty())
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.map(|v| v.to_string())
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.collect::<Vec<_>>();
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for host in LOOPBACK {
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if items.iter().any(|v| v.eq_ignore_ascii_case(host)) {
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continue;
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}
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items.push(host.to_string());
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}
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// Safety: called during startup before any threads are spawned.
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unsafe { std::env::set_var(key, items.join(",")) };
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};
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upsert("NO_PROXY");
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upsert("no_proxy");
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#[cfg(target_os = "linux")]
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{
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if let Some(backend_note) = configure_display_backend() {
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eprintln!("{backend_note:?}");
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}
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}
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opencode_lib::run()
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}
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