From 5730f9fa7f9a03662727eae97306d6a0a1ae580d Mon Sep 17 00:00:00 2001
From: Colin Walters <walters@verbum.org>
Date: Fri, 8 Sep 2023 10:56:45 -0400
Subject: [PATCH] chunking: Ignore ostree commit layer

I was hitting a panic in this section of the code; I think
triggering it involves removing packages, but I haven't narrowed
it down more precisely.

Hopefully at some point I will try to add some more unit
testing for this...
---
 lib/src/chunking.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/src/chunking.rs b/lib/src/chunking.rs
index 657c74e6..62d2a0ab 100644
--- a/lib/src/chunking.rs
+++ b/lib/src/chunking.rs
@@ -606,6 +606,10 @@ fn basic_packing_with_prior_build<'a>(
     for bin in curr_build {
         let mut mod_bin = Vec::new();
         for pkg in bin {
+            // An empty component set can happen for the ostree commit layer; ignore that.
+            if pkg.is_empty() {
+                continue;
+            }
             mod_bin.push(name_to_component[&pkg]);
         }
         modified_build.push(mod_bin);