From ad8e04aacbcd6681df4667d19262df9e801708a9 Mon Sep 17 00:00:00 2001
From: Neal Gompa <ngompa@fedoraproject.org>
Date: Thu, 15 Jul 2021 04:03:44 -0400
Subject: [PATCH] Revert "Remove 'zeroing out empty space' section"

This actually led to the filesystems being bigger.
The most recent Fedora Rawhide images were ~900MB instead of ~300MB.

Clearly, we need this to make it smaller.

This reverts commit d4d8bffb2cf37a3576f6ad6b6dc68c3c5c5174e1.

Signed-off-by: Neal Gompa <ngompa@fedoraproject.org>
---
 fedora-cloud-base.ks | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fedora-cloud-base.ks b/fedora-cloud-base.ks
index ab5518c..6ff9c89 100644
--- a/fedora-cloud-base.ks
+++ b/fedora-cloud-base.ks
@@ -121,6 +121,12 @@ releasever=$(rpm --eval '%{fedora}')
 basearch=$(uname -i)
 rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-$releasever-$basearch
 
+echo "Zeroing out empty space."
+# This forces the filesystem to reclaim space from deleted files
+dd bs=1M if=/dev/zero of=/var/tmp/zeros || :
+rm -f /var/tmp/zeros
+echo "(Don't worry -- that out-of-space error was expected.)"
+
 # When we build the image a networking config file gets left behind.
 # Let's clean it up.
 echo "Cleanup leftover networking configuration"