$ git clone -n https://src.fedoraproject.org/rpms/python-gammu.git /var/lib/mock/f29-build-723-375/root/thebuilddir/tmp/scmroot/python-gammu
Cloning into '/var/lib/mock/f29-build-723-375/root/thebuilddir/tmp/scmroot/python-gammu'...
$ git reset --hard 15f779e04b25016a1efe229cf91499ca02c832bf
HEAD is now at 15f779e - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild