view contrib/docker/centos7 @ 29634:8421cbebc783 stable

keyword: avoid traceback when kwdemo is run outside a repo

f0564402d059 causes a fatal AttributeError if kwdemo is run outside a repo
because in the temporary repo creation repo is None and therefore cannot have a
baseui attribute.
In this case fall back to using ui.

Add test case.

FROM centos:centos7
RUN yum install -y gcc
RUN yum install -y python-devel python-docutils
RUN yum install -y make
RUN yum install -y rpm-build
RUN yum install -y gettext
RUN yum install -y tar
# For creating repo meta data
RUN yum install -y createrepo