Fix sh bug with package.py

sh commands after :zip were not being executed

Author: mleziva

package.py

@@ -779,6 +779,9 @@ def commands_step(path, commands):
                             )
                     else:
                         batch.append(c)
+            if batch:
+                step("sh", path, "\n".join(batch))
+                batch.clear()
 
         for claim in claims:
             if isinstance(claim, str):
@@ -1526,6 +1529,7 @@ def prepare_command(args):
     Outputs a filename and a command to run if the archive needs to be built.
     """
 
+
     log = logging.getLogger("prepare")
 
     # Load the query.