From ba4ceb08f8be53a88f649aa3a781132cbf39437c Mon Sep 17 00:00:00 2001
From: Lubomír Sedlář <lsedlar@redhat.com>
Date: Feb 04 2016 15:20:56 +0000
Subject: Format negative sizes


The size change can be a negative number. It's probably better to
display the number consistently with positive values.

Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>

---

diff --git a/compose_utils/changelog.py b/compose_utils/changelog.py
index 973afe4..53e5f1e 100644
--- a/compose_utils/changelog.py
+++ b/compose_utils/changelog.py
@@ -18,6 +18,9 @@ from kobo.threads import ThreadPool, WorkerThread
 
 
 def formatsize(size):
+    if size < 0:
+        return '-' + formatsize(-size)
+
     units = ('KiB', 'MiB', 'GiB', 'TiB')
     size = float(size)
     chosen = 'B'