Simplify "steps" argument

src/command.rs

@@ -132,13 +132,14 @@ impl Updater {
     }
 
     fn update(&self, sys: &System, opt: &Opt) -> Result<()> {
-        let steps = match &opt.steps {
+        let steps = if opt.steps.is_empty() {
-            Some(v) => v.iter().map(|u| u.into()).collect(),
+            vec![
-            None => vec![
                 UpdateSteps::Fetch,
                 UpdateSteps::Compile,
                 UpdateSteps::Install,
-            ],
+            ]
+        } else {
+            opt.steps.iter().map(|u| u.into()).collect()
         };
 
         if steps.contains(&UpdateSteps::Fetch) {

src/lib.rs

@@ -27,9 +27,10 @@ pub struct Opt {
     pub yes: bool,
 
     #[arg(short, long)]
-    pub quiet: bool,
+    pub quiet: bool, // TODO: use clap_verbosity_flag instead
+
     #[arg(short, long)]
-    pub steps: Option<Vec<String>>,
+    pub steps: Vec<String>,
 }
 
 pub fn run(opt: &Opt) {