bundle xwayland-satellite with appimage

.github/workflows/build-appimage.yml

@@ -29,6 +29,9 @@ jobs:
       - name: Cargo Build
         run: |
           ../.github/workflows/scripts/appimage_build_wlx.sh
+      - name: Build xwayland-satellite
+        run: |
+          ../.github/workflows/scripts/appimage_build_satellite.sh
       - name: Package AppImage
         run: |
           ../.github/workflows/scripts/appimage_package.sh

.github/workflows/scripts/appimage_build_satellite.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+sudo apt install \
+    xwayland \
+    libxcb1-dev \
+    libxcb-cursor-dev \
+    clang \
+    pkg-config
+
+git clone https://github.com/Supreeeme/xwayland-satellite.git
+cd xwayland-satellite
+
+cargo build --release
+chmod +x ../target/release/xwayland-satellite
+cd ..
+
+cp xwayland-satellite/target/release/wayvr ${APPDIR}/usr/bin

wayvr/src/backend/wayvr/client.rs

@@ -1,4 +1,5 @@
 use std::{
+    ffi::OsStr,
     io::Read,
     os::unix::net::UnixStream,
     path::PathBuf,
@@ -97,7 +98,7 @@ impl WayVRCompositor {
     ) -> anyhow::Result<Self> {
         let (wayland_env, listener) = create_wayland_listener()?;
 
-        let xwayland_satellite = Command::new("xwayland-satellite")
+        let xwayland_satellite = Command::new(bundled_executable("xwayland-satellite"))
             .arg(wayland_env.display_num_string())
             .env("WAYLAND_DISPLAY", wayland_env.wayland_display_num_string())
             .spawn()
@@ -392,3 +393,11 @@ fn accumulate_discrete_scroll(acc: &mut f32, delta_v120: i32) -> i32 {
 
     steps
 }
+
+/// Runs executable from APPDIR, falling back to PATH
+fn bundled_executable(name: impl AsRef<std::path::Path>) -> PathBuf {
+    match std::env::var_os("APPDIR") {
+        Some(appdir) => PathBuf::from(appdir).join("usr").join("bin").join(name),
+        None => PathBuf::from(name.as_ref()),
+    }
+}