Desktop: Bundle for Mac and Windows (#3297)

* add bundle for mac os and windows

* Fix bundle name

This name gets used as the display name of the app on mac os, shorter name looks better and is more consistent.

* preserve std out by running bin directly

* bundle placeholder on linux

* fix linux

desktop/bundle/src/common.rs

@@ -0,0 +1,66 @@
+use std::error::Error;
+use std::fs;
+use std::path::{Path, PathBuf};
+use std::process::{Command, Stdio};
+
+pub(crate) const APP_NAME: &str = "Graphite";
+
+fn profile_name() -> &'static str {
+	let mut profile = env!("CARGO_PROFILE");
+	if profile == "debug" {
+		profile = "dev";
+	}
+	profile
+}
+
+pub(crate) fn profile_path() -> PathBuf {
+	PathBuf::from(env!("CARGO_WORKSPACE_DIR")).join(format!("target/{}", env!("CARGO_PROFILE")))
+}
+
+pub(crate) fn cef_path() -> PathBuf {
+	PathBuf::from(env!("CEF_PATH"))
+}
+
+pub(crate) fn build_bin(package: &str, bin: Option<&str>) -> Result<PathBuf, Box<dyn Error>> {
+	let profile = &profile_name();
+	let mut args = vec!["build", "--package", package, "--profile", profile];
+	if let Some(bin) = bin {
+		args.push("--bin");
+		args.push(bin);
+	}
+	run_command("cargo", &args)?;
+	let profile_path = profile_path();
+	let mut bin_path = if let Some(bin) = bin { profile_path.join(bin) } else { profile_path.join(package) };
+	if cfg!(target_os = "windows") {
+		bin_path.set_extension("exe");
+	}
+	Ok(bin_path)
+}
+
+pub(crate) fn run_command(program: &str, args: &[&str]) -> Result<(), Box<dyn std::error::Error>> {
+	let status = Command::new(program).args(args).stdout(Stdio::inherit()).stderr(Stdio::inherit()).status()?;
+	if !status.success() {
+		std::process::exit(1);
+	}
+	Ok(())
+}
+
+pub(crate) fn clean_dir(dir: &Path) {
+	if dir.exists() {
+		fs::remove_dir_all(dir).unwrap();
+	}
+	fs::create_dir_all(dir).unwrap();
+}
+
+pub(crate) fn copy_dir(src: &Path, dst: &Path) {
+	fs::create_dir_all(dst).unwrap();
+	for entry in fs::read_dir(src).unwrap() {
+		let entry = entry.unwrap();
+		let dst_path = dst.join(entry.file_name());
+		if entry.file_type().unwrap().is_dir() {
+			copy_dir(&entry.path(), &dst_path);
+		} else {
+			fs::copy(entry.path(), &dst_path).unwrap();
+		}
+	}
+}