$ git clone -n https://src.fedoraproject.org/rpms/libconfig.git /var/lib/mock/f31-build-58334-28436/root/chroot_tmpdir/scmroot/libconfig
Cloning into '/var/lib/mock/f31-build-58334-28436/root/chroot_tmpdir/scmroot/libconfig'...
$ git reset --hard 40154e5367da8dd1829bd97cd45aa2833de54c70
HEAD is now at 40154e5 fix pdf in %%files