4 files changed, 10 insertions, 6 deletions
diff --git a/src/frontend/json.rs b/src/frontend/json.rs
index 63b7bbe..b6a34e5 100644
--- a/src/frontend/json.rs
+++ b/src/frontend/json.rs
@@ -10,6 +10,7 @@ use failure::Error;
 
 use crate::frontend::Frontend;
 use crate::backend::Backend;
+use crate::compare::ComparePackage;
 use librepology::v1::api::Api;
 
 pub struct JsonFrontend(Stdout);
@@ -33,7 +34,7 @@ impl Frontend for JsonFrontend {
         writeln!(outlock, "{}", output).map_err(Error::from)
     }
 
-    fn compare_packages(&self, packages: Vec<Package>, backend: &Backend, filter_repos: Vec<Repo>) -> Result<()> {
+    fn compare_packages(&self, packages: Vec<ComparePackage>, backend: &Backend, filter_repos: Vec<Repo>) -> Result<()> {
         #[derive(Serialize)]
         struct PackageComp {
             // not optimal, as we have to clone the inner variables from the package
@@ -53,8 +54,8 @@ impl Frontend for JsonFrontend {
                 .filter(|p| filter_repos.contains(p.repo()))
                 .map(|upstream_package| {
                     PackageComp {
-                        package_name: package.name().deref().clone(),
-                        local_version: package.version().deref().clone(),
+                        package_name: package.name().clone(),
+                        local_version: package.version().clone(),
                         upstream_repo: upstream_package.repo().deref().clone(),
                         upstream_version: upstream_package.version().deref().clone(),
                     }
diff --git a/src/frontend/list.rs b/src/frontend/list.rs
index b229ecd..e870ab0 100644
--- a/src/frontend/list.rs
+++ b/src/frontend/list.rs
@@ -10,6 +10,7 @@ use failure::Error;
 
 use crate::frontend::Frontend;
 use crate::backend::Backend;
+use crate::compare::ComparePackage;
 use librepology::v1::api::Api;
 
 pub struct ListFrontend(Stdout);
@@ -71,7 +72,7 @@ impl Frontend for ListFrontend {
         })
     }
 
-    fn compare_packages(&self, packages: Vec<Package>, backend: &Backend, filter_repos: Vec<Repo>) -> Result<()> {
+    fn compare_packages(&self, packages: Vec<ComparePackage>, backend: &Backend, filter_repos: Vec<Repo>) -> Result<()> {
         let mut output = self.0.lock();
 
         for package in packages {
diff --git a/src/frontend/mod.rs b/src/frontend/mod.rs
index 0027fd8..43e5b5e 100644
--- a/src/frontend/mod.rs
+++ b/src/frontend/mod.rs
@@ -7,12 +7,13 @@ use crate::config::Configuration;
 use crate::frontend::list::ListFrontend;
 use crate::frontend::json::JsonFrontend;
 use crate::frontend::table::TableFrontend;
+use crate::compare::ComparePackage;
 use crate::backend::Backend;
 
 pub trait Frontend {
     fn list_packages(&self, packages: Vec<Package>) -> Result<()>;
     fn list_problems(&self, problems: Vec<Problem>) -> Result<()>;
-    fn compare_packages(&self, packages: Vec<Package>, backend: &Backend, filter_repos: Vec<Repo>) -> Result<()>;
+    fn compare_packages(&self, packages: Vec<ComparePackage>, backend: &Backend, filter_repos: Vec<Repo>) -> Result<()>;
 }
 
 pub mod list;
diff --git a/src/frontend/table.rs b/src/frontend/table.rs
index f840482..6a30e9c 100644
--- a/src/frontend/table.rs
+++ b/src/frontend/table.rs
@@ -10,6 +10,7 @@ use prettytable::Table;
 
 use crate::frontend::Frontend;
 use crate::backend::Backend;
+use crate::compare::ComparePackage;
 use librepology::v1::api::Api;
 
 pub struct TableFrontend(Stdout);
@@ -94,7 +95,7 @@ impl Frontend for TableFrontend {
         Ok(())
     }
 
-    fn compare_packages(&self, packages: Vec<Package>, backend: &Backend, filter_repos: Vec<Repo>) -> Result<()> {
+    fn compare_packages(&self, packages: Vec<ComparePackage>, backend: &Backend, filter_repos: Vec<Repo>) -> Result<()> {
         let mut table = Table::new();
         let format = format::FormatBuilder::new()
             .column_separator('|')