$ git clone -n https://src.fedoraproject.org/rpms/gnucash.git /var/lib/mock/f31-build-61658-28942/root/thebuilddir/tmp/scmroot/gnucash
Cloning into '/var/lib/mock/f31-build-61658-28942/root/thebuilddir/tmp/scmroot/gnucash'...
$ git reset --hard 6a2dd4eccd407826f74e4d75df1d31eda4e3535f
HEAD is now at 6a2dd4e - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild