1 files changed, 203 insertions, 0 deletions
diff --git a/launcher/src/main.rs b/launcher/src/main.rs
new file mode 100644
index 0000000..6f3e21c
--- /dev/null
+++ b/launcher/src/main.rs
@@ -0,0 +1,203 @@
+use std::env::current_exe;
+use std::path::{Path, PathBuf};
+use std::process::{Command, exit};
+use dirs::home_dir;
+use rustc_version_runtime::version;
+
+fn get_home() -> String {
+    let home_buf = home_dir()
+        .unwrap_or(PathBuf::from("/"));
+    let os_string = home_buf
+        .into_os_string();
+    os_string
+        .to_string_lossy()
+        .to_string()
+}
+
+#[cfg(target_os = "macos")]
+fn get_home_search() -> PathBuf {
+    PathBuf::from(format!("{}/Library/Frameworks/AtomicRuntime.framework", get_home()))
+}
+
+#[cfg(target_os = "linux")]
+fn get_home_search() -> PathBuf {
+    PathBuf::from(format!("{}/.local/share/atomic-runtime", get_home()))
+}
+
+#[cfg(target_os = "windows")]
+fn get_home_search() -> PathBuf {
+    PathBuf::from(format!("{}\\AppData\\Local\\Atomic Runtime", get_home()))
+}
+
+#[cfg(target_os = "macos")]
+fn get_search_paths() -> [PathBuf; 5] {
+    [
+        PathBuf::from("/Library/Frameworks/AtomicRuntime.framework"),
+        PathBuf::from("/System/Library/Frameworks/AtomicRuntime.framework"),
+        PathBuf::from("/usr/local/lib/atomic-runtime"),
+        PathBuf::from("/opt/atomic-runtime"),
+        get_home_search()
+    ]
+}
+
+#[cfg(target_os = "linux")]
+fn get_search_paths() -> [PathBuf; 8] {
+    [
+        PathBuf::from("/usr/local/lib/atomic-runtime"),
+        PathBuf::from("/usr/local/lib64/atomic-runtime"),
+        PathBuf::from("/usr/lib/atomic-runtime"),
+        PathBuf::from("/usr/lib64/atomic-runtime"),
+        PathBuf::from("/lib/atomic-runtime"),
+        PathBuf::from("/lib64/atomic-runtime"),
+        PathBuf::from("/opt/atomic-runtime"),
+        get_home_search()
+    ]
+}
+
+#[cfg(target_os = "windows")]
+fn get_search_paths() -> [PathBuf; 29] {
+    [
+        PathBuf::from("C:\\Program Files\\Common Files\\Equestria.dev\\AtomicRuntime"),
+        PathBuf::from("C:\\Program Files\\Common Files\\Equestria.dev\\Atomic Runtime"),
+        PathBuf::from("C:\\Program Files (x86)\\Common Files\\Equestria.dev\\AtomicRuntime"),
+        PathBuf::from("C:\\Program Files (x86)\\Common Files\\Equestria.dev\\Atomic Runtime"),
+        PathBuf::from("C:\\Program Files (Arm)\\Common Files\\Equestria.dev\\AtomicRuntime"),
+        PathBuf::from("C:\\Program Files (Arm)\\Common Files\\Equestria.dev\\Atomic Runtime"),
+        PathBuf::from("C:\\Program Files\\Common Files\\AtomicRuntime"),
+        PathBuf::from("C:\\Program Files\\Common Files\\Atomic Runtime"),
+        PathBuf::from("C:\\Program Files (x86)\\Common Files\\AtomicRuntime"),
+        PathBuf::from("C:\\Program Files (x86)\\Common Files\\Atomic Runtime"),
+        PathBuf::from("C:\\Program Files (Arm)\\Common Files\\AtomicRuntime"),
+        PathBuf::from("C:\\Program Files (Arm)\\Common Files\\Atomic Runtime"),
+        PathBuf::from("C:\\Windows\\AtomicRuntime"),
+        PathBuf::from("C:\\Windows\\Atomic Runtime"),
+        PathBuf::from("C:\\Program Files\\Equestria.dev\\AtomicRuntime"),
+        PathBuf::from("C:\\Program Files\\Equestria.dev\\Atomic Runtime"),
+        PathBuf::from("C:\\Program Files (x86)\\Equestria.dev\\AtomicRuntime"),
+        PathBuf::from("C:\\Program Files (x86)\\Equestria.dev\\Atomic Runtime"),
+        PathBuf::from("C:\\Program Files (Arm)\\Equestria.dev\\AtomicRuntime"),
+        PathBuf::from("C:\\Program Files (Arm)\\Equestria.dev\\Atomic Runtime"),
+        PathBuf::from("C:\\Program Files\\AtomicRuntime"),
+        PathBuf::from("C:\\Program Files\\Atomic Runtime"),
+        PathBuf::from("C:\\Program Files (x86)\\AtomicRuntime"),
+        PathBuf::from("C:\\Program Files (x86)\\Atomic Runtime"),
+        PathBuf::from("C:\\Program Files (Arm)\\AtomicRuntime"),
+        PathBuf::from("C:\\Program Files (Arm)\\Atomic Runtime"),
+        PathBuf::from("C:\\ProgramData\\AtomicRuntime"),
+        PathBuf::from("C:\\ProgramData\\Atomic Runtime"),
+        get_home_search()
+    ]
+}
+
+#[cfg(target_os = "macos")]
+const PLATFORM: &str = "macOS/Darwin";
+
+#[cfg(target_os = "linux")]
+const PLATFORM: &str = "Linux";
+
+#[cfg(target_os = "windows")]
+const PLATFORM: &str = "Windows";
+
+#[cfg(target_arch = "aarch64")]
+const ARCH: &str = "ARM64";
+
+#[cfg(target_arch = "x86_64")]
+const ARCH: &str = "x86_64";
+
+fn show_system_info() {
+    println!("atomic-launcher: Starting atomic-launcher on {} ({})", PLATFORM, ARCH);
+}
+
+// TODO: Rename these to "Atomic"
+
+#[cfg(target_os = "macos")]
+const BINARY_PATH: &str = "Contents/MacOS/Electron";
+
+#[cfg(target_os = "linux")]
+const BINARY_PATH: &str = "electron";
+
+#[cfg(target_os = "windows")]
+const BINARY_PATH: &str = "electron.exe";
+
+#[cfg(target_os = "macos")]
+const APP_DATA_PATH: &str = "../Resources/app";
+
+#[cfg(any(target_os = "linux", target_os = "windows"))]
+const APP_DATA_PATH: &str = "./resources/app";
+
+fn main() {
+    show_system_info();
+    println!("atomic-launcher: Compiled against rustc {}", version());
+
+    let my_path_buf = current_exe()
+        .unwrap_or(PathBuf::from("/"));
+    let my_path = my_path_buf
+        .parent()
+        .unwrap_or(Path::new("/"))
+        .to_str()
+        .unwrap_or("/");
+
+    println!("atomic-launcher: Current directory: {}", my_path);
+
+    let mut found_app = false;
+    let app_path_unparsed = &format!("{}/{}", my_path, APP_DATA_PATH);
+    let app_path = Path::new(app_path_unparsed);
+
+    if app_path.exists() {
+        found_app = true;
+    } else {
+        println!("atomic-launcher: Warning: Could not find Electron-compatible app. Looked in {}. The default atomic-runtime application will be opened instead.", app_path
+            .to_str()
+            .unwrap_or("/"));
+    }
+
+    let runtime_search_paths = get_search_paths();
+
+    println!("atomic-launcher: Looking for atomic-runtime in: {}", runtime_search_paths
+        .iter()
+        .map(|i| i
+            .to_str()
+            .unwrap_or("/"))
+        .collect::<Vec<&str>>()
+        .join(", ")
+        .as_str());
+    let mut valid_path: Option<PathBuf> = None;
+
+    for path in runtime_search_paths {
+        let path_str = path.to_str().unwrap_or("/");
+        if path.as_path().exists() && Path::new(&format!("{}/{}", path_str, BINARY_PATH)).exists() {
+            valid_path = Some(path);
+            break;
+        }
+    }
+
+    if let Some(path) = valid_path {
+        println!("atomic-launcher: Found atomic-runtime at {}", Path::new(&format!("{}/{}", path
+            .to_str()
+            .unwrap_or(""), BINARY_PATH))
+            .to_str()
+            .unwrap_or(""));
+        let mut cmd = Command::new(Path::new(&format!("{}/{}", path
+            .to_str()
+            .unwrap_or(""), BINARY_PATH)));
+        println!("atomic-launcher: Executing: {:?}", cmd);
+
+        if found_app {
+            cmd.arg(app_path);
+        }
+
+        if let Ok(mut app) = cmd.spawn() {
+            exit(app.wait()
+                .unwrap_or_default()
+                .code()
+                .unwrap_or(255));
+        } else {
+            eprintln!("atomic-launcher: Application failed to start.");
+            exit(3);
+        }
+
+    } else {
+        eprintln!("atomic-launcher: Could not find a valid atomic-runtime path. Aborting.");
+        exit(2);
+    }
+}