repository: split capabilities methods into separate interface
So we can implement them without having to implement support for
every command.
Differential Revision: https://phab.mercurial-scm.org/D3255
FROM fedora:21
RUN yum install -y \
gcc \
gettext \
make \
python-devel \
python-docutils \
rpm-build
# For creating repo meta data
RUN yum install -y createrepo