Desktop: Install CLI (#6526)

Co-authored-by: Brendan Allan <git@brendonovich.dev>

packages/desktop/src-tauri/src/cli.rs

@@ -0,0 +1,116 @@
+const CLI_INSTALL_DIR: &str = ".opencode/bin";
+const CLI_BINARY_NAME: &str = "opencode";
+
+fn get_cli_install_path() -> Option<std::path::PathBuf> {
+    std::env::var("HOME").ok().map(|home| {
+        std::path::PathBuf::from(home)
+            .join(CLI_INSTALL_DIR)
+            .join(CLI_BINARY_NAME)
+    })
+}
+
+pub fn get_sidecar_path() -> std::path::PathBuf {
+    tauri::utils::platform::current_exe()
+        .expect("Failed to get current exe")
+        .parent()
+        .expect("Failed to get parent dir")
+        .join("opencode-cli")
+}
+
+fn is_cli_installed() -> bool {
+    get_cli_install_path()
+        .map(|path| path.exists())
+        .unwrap_or(false)
+}
+
+const INSTALL_SCRIPT: &str = include_str!("../../../../install");
+
+#[tauri::command]
+pub fn install_cli() -> Result<String, String> {
+    if cfg!(not(unix)) {
+        return Err("CLI installation is only supported on macOS & Linux".to_string());
+    }
+
+    let sidecar = get_sidecar_path();
+    if !sidecar.exists() {
+        return Err("Sidecar binary not found".to_string());
+    }
+
+    let temp_script = std::env::temp_dir().join("opencode-install.sh");
+    std::fs::write(&temp_script, INSTALL_SCRIPT)
+        .map_err(|e| format!("Failed to write install script: {}", e))?;
+
+    #[cfg(unix)]
+    {
+        use std::os::unix::fs::PermissionsExt;
+        std::fs::set_permissions(&temp_script, std::fs::Permissions::from_mode(0o755))
+            .map_err(|e| format!("Failed to set script permissions: {}", e))?;
+    }
+
+    let output = std::process::Command::new(&temp_script)
+        .arg("--binary")
+        .arg(&sidecar)
+        .output()
+        .map_err(|e| format!("Failed to run install script: {}", e))?;
+
+    let _ = std::fs::remove_file(&temp_script);
+
+    if !output.status.success() {
+        let stderr = String::from_utf8_lossy(&output.stderr);
+        return Err(format!("Install script failed: {}", stderr));
+    }
+
+    let install_path =
+        get_cli_install_path().ok_or_else(|| "Could not determine install path".to_string())?;
+
+    Ok(install_path.to_string_lossy().to_string())
+}
+
+pub fn sync_cli(app: tauri::AppHandle) -> Result<(), String> {
+    if cfg!(debug_assertions) {
+        println!("Skipping CLI sync for debug build");
+        return Ok(());
+    }
+
+    if !is_cli_installed() {
+        println!("No CLI installation found, skipping sync");
+        return Ok(());
+    }
+
+    let cli_path =
+        get_cli_install_path().ok_or_else(|| "Could not determine CLI install path".to_string())?;
+
+    let output = std::process::Command::new(&cli_path)
+        .arg("--version")
+        .output()
+        .map_err(|e| format!("Failed to get CLI version: {}", e))?;
+
+    if !output.status.success() {
+        return Err("Failed to get CLI version".to_string());
+    }
+
+    let cli_version_str = String::from_utf8_lossy(&output.stdout).trim().to_string();
+    let cli_version = semver::Version::parse(&cli_version_str)
+        .map_err(|e| format!("Failed to parse CLI version '{}': {}", cli_version_str, e))?;
+
+    let app_version = app.package_info().version.clone();
+
+    if cli_version >= app_version {
+        println!(
+            "CLI version {} is up to date (app version: {}), skipping sync",
+            cli_version, app_version
+        );
+        return Ok(());
+    }
+
+    println!(
+        "CLI version {} is older than app version {}, syncing",
+        cli_version, app_version
+    );
+
+    install_cli()?;
+
+    println!("Synced installed CLI");
+
+    Ok(())
+}