From 091fd3488d65bc1ea68360f02b9ec3f6347e1bbc Mon Sep 17 00:00:00 2001
From: "Dr. Matthias Ratajczak" <m.ratajczak@hzdr.de>
Date: Mon, 30 Jan 2023 14:36:00 +0100
Subject: [PATCH] fix bug when nothing to install for a specific backend

---
 src/backend/todo_per_backend.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/backend/todo_per_backend.rs b/src/backend/todo_per_backend.rs
index c2e26d7..2495045 100644
--- a/src/backend/todo_per_backend.rs
+++ b/src/backend/todo_per_backend.rs
@@ -46,6 +46,9 @@ impl ToDoPerBackend {
         F: Fn(&'a dyn Backend, &'a [Package]) -> Result<ExitStatus>,
     {
         for (backend, packages) in &self.0 {
+            if packages.is_empty() {
+                continue;
+            }
             let exit_status = func(&**backend, packages).with_context(|| {
                 format!("{verb_continuous} packages for {}", backend.get_binary())
             })?;