$ git clone -n https://github.com/xcp-ng-rpms/xenserver-firstboot.git /var/lib/mock/v7.99-base-736-318/root/chroot_tmpdir/scmroot/xenserver-firstboot
Cloning into '/var/lib/mock/v7.99-base-736-318/root/chroot_tmpdir/scmroot/xenserver-firstboot'...
$ git reset --hard b8a67e05aab347542d18d01feeb57d5afbfba815
Downloading SOURCES/xenserver-firstboot-1.0.9.tar.gz (13 KB)
HEAD is now at b8a67e0 Add %dist