docker: debian-bootstrap.pre: print error messages to stderr
commitb5dc88ce24d2b57970f502dd666ca126f0e3ad7f
authorSascha Silbe <silbe@linux.vnet.ibm.com>
Tue, 6 Sep 2016 20:05:46 +0000 (6 22:05 +0200)
committerFam Zheng <famz@redhat.com>
Thu, 8 Sep 2016 11:56:34 +0000 (8 19:56 +0800)
tree9cd02bd47d8a1a6b341f00937f1ec7ba9179f852
parent08f4e8d23d9043af9283c957d6da7fcce7ff4d39
docker: debian-bootstrap.pre: print error messages to stderr

Send error messages where they belong so they're seen even if stdout
is redirected to /dev/null.

Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Message-Id: <1473192351-601-4-git-send-email-silbe@linux.vnet.ibm.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
tests/docker/dockerfiles/debian-bootstrap.pre