brew autoremove (#6)

Authored-by: Kilian Tyler <kilian@ktyler.me>
Approved-by: Thomas Schönauer <t.schoenauer@hgs-wt.at>

config.example.toml

@@ -64,6 +64,7 @@
 
 [brew]
 #greedy_cask = true
+#autoremove = true
 
 [linux]
 # Arch Package Manager to use. Allowed values: autodetect, trizen, paru, yay, pikaur, pacman, pamac.

src/config.rs

@@ -202,6 +202,7 @@ pub struct Flatpak {
 #[serde(deny_unknown_fields)]
 pub struct Brew {
     greedy_cask: Option<bool>,
+    autoremove: Option<bool>,
 }
 
 #[derive(Debug, Deserialize, Clone, Copy)]
@@ -668,6 +669,15 @@ impl Config {
             .unwrap_or(false)
     }
 
+    /// Whether Brew should autoremove
+    pub fn brew_autoremove(&self) -> bool {
+        self.config_file
+            .brew
+            .as_ref()
+            .and_then(|c| c.autoremove)
+            .unwrap_or(false)
+    }
+
     /// Whether Composer should update itself
     pub fn composer_self_update(&self) -> bool {
         self.config_file

src/steps/os/unix.rs

@@ -210,6 +210,10 @@ pub fn run_brew_formula(ctx: &ExecutionContext, variant: BrewVariant) -> Result<
         variant.execute(run_type).arg("cleanup").check_run()?;
     }
 
+    if ctx.config().brew_autoremove() {
+        variant.execute(run_type).arg("autoremove").check_run()?;
+    }
+
     Ok(())
 }