add --version-local, --version-cdn

return respective revision numbers

res/build.rs

@@ -4,8 +4,7 @@ extern crate winres;
 #[cfg(windows)]
 fn main() {
     let mut res = winres::WindowsResource::new();
-    res.set_icon("res/icon.ico")
-       .set_language(0x0409);
+    res.set_icon("res/icon.ico").set_language(0x0409);
 
     if let Err(e) = res.compile() {
         eprintln!("{}", e);
@@ -14,5 +13,4 @@ fn main() {
 }
 
 #[cfg(unix)]
-fn main() {
-}
+fn main() {}

src/args.rs

@@ -53,6 +53,14 @@ pub struct Args {
         default_value = "https://cdn.plutonium.pw/updater/prod/info.json"
     )]
     pub cdn_url: String,
+
+    /// get local version
+    #[clap(long)]
+    pub version_local: bool,
+
+    // get cdn version
+    #[clap(long)]
+    pub version_cdn: bool,
 }
 
 pub fn get() -> Args {

src/main.rs

@@ -294,6 +294,17 @@ fn main() {
     let local_info = read_info_file(&Path::join(Path::new(&args.directory), "cdn_info.json"));
     let cdn_info = parse_info(&http::get_body_string(&args.cdn_url));
 
+    if args.version_local {
+        println!("{}", local_info.revision);
+        std::process::exit(0);
+    }
+
+    if args.version_cdn {
+        println!("{}", cdn_info.revision);
+        std::process::exit(0);
+    }
+
+    // exit code 1 if outdated, 0 if upto date
     if args.check {
         if cdn_info.revision > local_info.revision {
             std::process::exit(1);
@@ -326,6 +337,7 @@ fn main() {
         std::process::exit(0);
     }
 
+    // program wasn't closed yet, so its seems like we should run updates
     update(&args, &cdn_info, &local_info);
     std::process::exit(0);
 }