$ git clone -n https://src.fedoraproject.org/rpms/libcomps.git /var/lib/mock/f31-build-68310-30175/root/thebuilddir/tmp/scmroot/libcomps
Cloning into '/var/lib/mock/f31-build-68310-30175/root/thebuilddir/tmp/scmroot/libcomps'...
$ git reset --hard c5d702f0e1f77127164b8b68a056e8cc9b47b76e
HEAD is now at c5d702f - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild