feat: access build information through cli

src/cli.rs

@@ -0,0 +1,77 @@
+use std::path::Path;
+
+static HELP: &str = "\
+--help      -h      Prints help information
+--version   -V      Prints version
+";
+
+#[derive(Debug, Default)]
+pub enum Mode {
+    #[default]
+    None,
+    Version,
+    Help,
+    #[cfg(feature = "built")]
+    BuildInfo,
+    #[cfg(windows)]
+    DragNDrop(Vec<String>),
+    Unrecognised(String),
+}
+
+pub fn parse(args: Vec<String>) -> Mode {
+    if contains(&args, ["--help", "-h"]) {
+        return Mode::Help;
+    }
+
+    if contains(&args, ["--version", "-V", "-v"]) {
+        return Mode::Version;
+    }
+
+    #[cfg(feature = "built")]
+    if contains(&args, ["--info", "-i"]) {
+        return Mode::BuildInfo;
+    }
+
+    if let Some(unrecognised) = args
+        .iter()
+        .find(|f| f.starts_with('-') && !Path::new(f).exists())
+    {
+        return Mode::Unrecognised(unrecognised.to_owned());
+    }
+
+    #[cfg(windows)]
+    if args.len() > 0 {
+        return Mode::DragNDrop(args);
+    }
+
+    Mode::None
+}
+
+pub fn print_help() {
+    print!("{}", HELP);
+
+    #[cfg(feature = "built")]
+    println!("--info      -i      Prints build information");
+}
+
+pub fn print_version() {
+    println!("{}", env!("CARGO_PKG_VERSION"));
+}
+
+#[cfg(feature = "built")]
+pub fn print_info() {
+    use crate::screen::build_info::info;
+
+    for (label, value) in info(true) {
+        println!("{label}: {value}");
+    }
+}
+
+pub fn print_unrecognised(option: String) {
+    println!("Unrecognised option '{option}'");
+    print_help();
+}
+
+fn contains<const T: usize>(args: &[String], flags: [&str; T]) -> bool {
+    args.iter().any(|f| flags.contains(&f.as_str()))
+}

src/main.rs

@@ -4,6 +4,7 @@
 #![allow(clippy::needless_lifetimes)]
 
 pub mod app;
+mod cli;
 pub mod dialog;
 pub mod event;
 pub mod font;
@@ -16,6 +17,7 @@ pub mod utils;
 pub mod widget;
 
 use app::XMODITS;
+use cli::Mode;
 use std::env;
 
 #[cfg(all(feature = "jemallocator", not(target_env = "msvc")))]
@@ -30,21 +32,17 @@ fn main() -> iced::Result {
     logger::reattach_windows_terminal();
     logger::set_panic_hook();
 
-    let version = env::args().skip(1)
-        .peekable()
-        .next()
-        .map(|a| a == "--version" || a == "-V")
-        .unwrap_or_default();
-
-    if version {
-        println!("{}", env!("CARGO_PKG_VERSION"));
-        return Ok(());
+    let mut args: Vec<_> = env::args().collect();
+    args.remove(0);
+
+    match cli::parse(args) {
+        Mode::None => XMODITS::launch().map(|_| tracing::info!("Bye :)")),
+        #[cfg(windows)]
+        Mode::DragNDrop(paths) => XMODITS::launch_simple(paths),
+        Mode::Version => Ok(cli::print_version()),
+        Mode::Help => Ok(cli::print_help()),
+        #[cfg(feature = "built")]
+        Mode::BuildInfo => Ok(cli::print_info()),
+        Mode::Unrecognised(option) => Ok(cli::print_unrecognised(option)),
     }
-
-    #[cfg(windows)]
-    if env::args().len() > 1 {
-        return XMODITS::launch_simple(env::args().skip(1));
-    }
-
-    XMODITS::launch().map(|_| tracing::info!("Bye :)"))
 }