$ git clone -n https://src.fedoraproject.org/rpms/copr-rpmbuild.git /var/lib/mock/f31-build-44011-25839/root/chroot_tmpdir/scmroot/copr-rpmbuild
Cloning into '/var/lib/mock/f31-build-44011-25839/root/chroot_tmpdir/scmroot/copr-rpmbuild'...
$ git reset --hard 5fe4821befdb3a1ea13c2e002d5fa3f912180a79
HEAD is now at 5fe4821 new release