$ git clone -n https://src.fedoraproject.org/rpms/gecode.git /var/lib/mock/f31-build-62088-29033/root/chroot_tmpdir/scmroot/gecode
Cloning into '/var/lib/mock/f31-build-62088-29033/root/chroot_tmpdir/scmroot/gecode'...
$ git reset --hard 5b9512dcb131b54acaf8287548f883c370793ff0
HEAD is now at 5b9512d - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild