$ git clone -n https://src.fedoraproject.org/rpms/seahorse.git /var/lib/mock/f29-build-4123-1010/root/thebuilddir/tmp/scmroot/seahorse
Cloning into '/var/lib/mock/f29-build-4123-1010/root/thebuilddir/tmp/scmroot/seahorse'...
$ git reset --hard e213da125b161c923a34a36a005178f8c83d473d
HEAD is now at e213da1 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild