chg: add pgid to hgclient struct
The previous patch makes the server tell the client its pgid. This patch
stores it in hgclient_t and adds a function to get it.
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