Distinguish initrd additions and removals

1 files changed, 7 insertions, 2 deletions

diff --git a/src/compare.rs b/src/compare.rs
index 7088886..8b59c1c 100644
--- a/src/compare.rs
+++ b/src/compare.rs
@@ -70,8 +70,13 @@ pub fn compare(left: &ArtifactManifest, right: &ArtifactManifest) -> ComparisonR
     compare_records(&left.files, &right.files, |record| &record.path, |path, change| {
         SemanticDifference::File { path: path.to_owned(), change }
     }, &mut differences);
-    if left.initrd != right.initrd {
-        differences.push(SemanticDifference::Initrd { change: Change::Changed });
+    match (&left.initrd, &right.initrd) {
+        (None, Some(_)) => differences.push(SemanticDifference::Initrd { change: Change::Added }),
+        (Some(_), None) => differences.push(SemanticDifference::Initrd { change: Change::Removed }),
+        (Some(left), Some(right)) if left != right => {
+            differences.push(SemanticDifference::Initrd { change: Change::Changed });
+        }
+        _ => {}
     }
     compare_records(&left.services, &right.services, |record| &record.name, |name, change| {
         SemanticDifference::Service { name: name.to_owned(), change }