$ git clone -n https://src.fedoraproject.org/rpms/gummi.git /var/lib/mock/f31-build-86231-31663/root/thebuilddir/tmp/scmroot/gummi
Cloning into '/var/lib/mock/f31-build-86231-31663/root/thebuilddir/tmp/scmroot/gummi'...
$ git reset --hard dd881c8ecfc20317debc4c2507ff2cbe5fe54757
HEAD is now at dd881c8 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild