hook: add a 'hashook' function to test for hook existence
Preparing the data for some hooks can be expensive. Add a function to check if
a hook exists so we can skip useless preparation if no hook is configured.
FROM centos:centos6
RUN yum install -y \
gcc \
gettext \
make \
python-devel \
python-docutils \
rpm-build \
tar
# For creating repo meta data
RUN yum install -y createrepo
# For python
RUN yum install -y \
bzip2-devel \
ncurses-devel \
openssl-devel \
readline-devel \
zlib-devel