disable arch by default

Cargo.toml

@@ -27,3 +27,8 @@ path = "crates/main/main.rs"
 lto = "off"
 opt-level = "z"
 strip = true
+
+[features]
+default = []
+debian = ["pacdef_core/debian"]
+arch = ["pacdef_core/arch"]

crates/pacdef_core/Cargo.toml

@@ -32,6 +32,6 @@ alpm = { version = "2.2", optional = true }
 rust-apt = { version = "0.5", optional = true }
 
 [features]
-default = ["arch"]
+default = []
 arch = ["dep:alpm"]
 debian = ["dep:rust-apt"]

crates/pacdef_core/src/core.rs

@@ -109,11 +109,14 @@ impl Pacdef {
         to_install
     }
 
-    #[cfg(feature = "arch")]
+    #[allow(clippy::unused_self, unused_variables)]
     fn overwrite_values_from_config(&mut self, backend: &mut dyn Backend) {
-        if let Some(arch) = backend.as_any_mut().downcast_mut::<crate::backend::Arch>() {
-            arch.binary = self.config.aur_helper.clone();
-            arch.aur_rm_args = self.config.aur_rm_args.take();
+        #[cfg(feature = "arch")]
+        {
+            if let Some(arch) = backend.as_any_mut().downcast_mut::<crate::backend::Arch>() {
+                arch.binary = self.config.aur_helper.clone();
+                arch.aur_rm_args = self.config.aur_rm_args.take();
+            }
         }
     }