added packaging / bundling

crates/bds-ui/Cargo.toml

@@ -29,3 +29,24 @@ objc2-app-kit = "0.3"
 fluent-syntax = "0.12"
 syn = { version = "2", features = ["full", "visit"] }
 tempfile = "3"
+
+[build-dependencies]
+winresource = "0.1"
+
+[package.metadata.packager]
+product-name = "Blogging Desktop Server"
+identifier = "de.rfc1437.bds2"
+description = "A desktop application for writing and publishing static blogs."
+before-packaging-command = "cargo build --release -p bds-ui"
+icons = [
+    "assets/app-icons/bds.icns",
+    "assets/app-icons/bds.ico",
+    "assets/app-icons/bds.png",
+]
+
+[package.metadata.packager.macos]
+minimum-system-version = "13.0"
+signing-identity = "-"
+
+[package.metadata.packager.nsis]
+installer-icon = "assets/app-icons/bds.ico"

crates/bds-ui/build.rs

@@ -0,0 +1,10 @@
+fn main() {
+    println!("cargo:rerun-if-changed=assets/app-icons/bds.ico");
+
+    if std::env::var("CARGO_CFG_TARGET_OS").as_deref() == Ok("windows") {
+        winresource::WindowsResource::new()
+            .set_icon("assets/app-icons/bds.ico")
+            .compile()
+            .expect("compile Windows application icon");
+    }
+}

crates/bds-ui/src/main.rs

@@ -1,9 +1,19 @@
+#![cfg_attr(target_os = "windows", windows_subsystem = "windows")]
+
 use bds_ui::BdsApp;
 
 fn main() -> iced::Result {
+    let icon =
+        iced::window::icon::from_file_data(include_bytes!("../assets/app-icons/bds.png"), None)
+            .expect("bundled application icon must be valid");
+
     iced::application("bDS", BdsApp::update, BdsApp::view)
         .subscription(BdsApp::subscription)
         .theme(|_| iced::Theme::Dark)
-        .window_size((1200.0, 800.0))
+        .window(iced::window::Settings {
+            size: iced::Size::new(1200.0, 800.0),
+            icon: Some(icon),
+            ..Default::default()
+        })
         .run_with(BdsApp::new)
 }

crates/bds-ui/tests/packaging_assets.rs

@@ -0,0 +1,41 @@
+use std::{fs, path::Path};
+
+const CRATE_DIR: &str = env!("CARGO_MANIFEST_DIR");
+
+#[test]
+fn desktop_packages_have_native_icons_and_cargo_commands() {
+    let assets = Path::new(CRATE_DIR).join("assets/app-icons");
+    let png = fs::read(assets.join("bds.png")).expect("Linux PNG icon");
+    let ico = fs::read(assets.join("bds.ico")).expect("Windows ICO icon");
+    let icns = fs::read(assets.join("bds.icns")).expect("macOS ICNS icon");
+
+    assert_eq!(&png[..8], b"\x89PNG\r\n\x1a\n");
+    assert_eq!(u32::from_be_bytes(png[16..20].try_into().unwrap()), 1024);
+    assert_eq!(u32::from_be_bytes(png[20..24].try_into().unwrap()), 1024);
+    assert_eq!(&ico[..4], &[0, 0, 1, 0]);
+    assert!(u16::from_le_bytes(ico[4..6].try_into().unwrap()) >= 6);
+    assert_eq!(&icns[..4], b"icns");
+
+    let manifest = fs::read_to_string(Path::new(CRATE_DIR).join("Cargo.toml")).unwrap();
+    for required in [
+        "[package.metadata.packager]",
+        "assets/app-icons/bds.png",
+        "assets/app-icons/bds.ico",
+        "assets/app-icons/bds.icns",
+        "signing-identity = \"-\"",
+    ] {
+        assert!(manifest.contains(required), "missing {required}");
+    }
+
+    let cargo_config = fs::read_to_string(Path::new(CRATE_DIR).join("../../.cargo/config.toml"))
+        .expect("Cargo packaging aliases");
+    for alias in ["bundle-macos", "bundle-windows", "bundle-linux"] {
+        assert!(cargo_config.contains(alias), "missing cargo {alias}");
+    }
+
+    let main = fs::read_to_string(Path::new(CRATE_DIR).join("src/main.rs")).unwrap();
+    assert!(main.contains("assets/app-icons/bds.png"));
+
+    let build = fs::read_to_string(Path::new(CRATE_DIR).join("build.rs")).unwrap();
+    assert!(build.contains("set_icon(\"assets/app-icons/bds.ico\")"));
+}