deb: ensure universe is enabled on Ubuntu by default

Added apt source parser, module apt

src/deb/local.rs

@@ -6,6 +6,7 @@ use std::collections::HashMap;
 use std::error::Error;
 use std::path::Path;
 
+use crate::apt;
 use crate::deb::cross;
 
 pub fn build(
@@ -29,6 +30,19 @@ pub fn build(
         cross::ensure_repositories(arch, series)?;
     }
 
+    // UBUNTU: Ensure 'universe' repository is enabled
+    let mut sources = apt::load(None)?;
+    let mut modified = false;
+    for source in &mut sources {
+        if source.uri.contains("ubuntu") && !source.components.contains(&"universe".to_string()) {
+            source.components.push("universe".to_string());
+            modified = true;
+        }
+    }
+    if modified {
+        apt::save_legacy(None, sources, "/etc/apt/sources.list")?;
+    }
+
     // Update package lists
     log::debug!("Updating package lists for local build...");
     let status = ctx