Merge pull request #1084 from christiangnrd/emptyversion

Prevent compiler warning without panicking

src/command_update.rs

@@ -82,10 +82,14 @@ fn update_channel(
             server_etag,
             version,
         } => {
-            // We only do this so that we use `version` on both Windows and Linux to prevent a compiler warning/error
-            assert!(!version.is_empty());
-
             if local_etag != server_etag {
+                // We only do this so that we use `version` on both Windows and Linux to prevent a compiler warning/error
+                if version.is_empty() {
+                    eprintln!(
+                        "Channel {} version is empty, you may need to manually codesign this channel if you trust the contents of this pull request.",
+                        channel
+                    );
+                }
                 eprintln!("{} channel {}", style("Updating").green().bold(), channel);
 
                 let channel_data =