$ git clone -n https://src.fedoraproject.org/rpms/contractor.git /var/lib/mock/f31-build-66462-29880/root/chroot_tmpdir/scmroot/contractor
Cloning into '/var/lib/mock/f31-build-66462-29880/root/chroot_tmpdir/scmroot/contractor'...
$ git reset --hard 615cf3422840c58f77d3b88b2bc6e8e345c421a7
HEAD is now at 615cf34 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild