From 59bc6ad6761764f7083bd5b71962a7c9f44fe418 Mon Sep 17 00:00:00 2001
From: Christian Ebner <c.ebner@proxmox.com>
Date: Tue, 26 Nov 2019 11:33:28 +0100
Subject: [PATCH] catalog_shell: check and return on empty list in order to
 avoid division by zero

Signed-off-by: Christian Ebner <c.ebner@proxmox.com>
---
 src/backup/catalog_shell.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/backup/catalog_shell.rs b/src/backup/catalog_shell.rs
index d0257204..e46e9f71 100644
--- a/src/backup/catalog_shell.rs
+++ b/src/backup/catalog_shell.rs
@@ -431,6 +431,9 @@ impl Shell {
     }
 
     fn print_list(list: &Vec<DirEntry>) -> Result<(), std::io::Error> {
+        if list.is_empty() {
+            return Ok(());
+        }
         let max = list
             .iter()
             .max_by(|x, y| x.name.len().cmp(&y.name.len()));