Write manifest as soon as packages have been recorded

Author: jcgl17

mkosi/__init__.py

@@ -3947,6 +3947,7 @@ def build_image(context: Context) -> None:
 
         if manifest:
             manifest.record_packages()
+        save_manifest(context, manifest)
 
         run_selinux_relabel(context)
 
@@ -4012,7 +4013,6 @@ def build_image(context: Context) -> None:
 
     calculate_sha256sum(context)
     calculate_signature(context)
-    save_manifest(context, manifest)
 
     output_base = context.staging / context.config.output
     if not output_base.exists() or output_base.is_symlink():