$ git clone -n https://src.fedoraproject.org/rpms/python-rsa.git /var/lib/mock/f45-build-32837-664/root/chroot_tmpdir/scmroot/python-rsa
Cloning into '/var/lib/mock/f45-build-32837-664/root/chroot_tmpdir/scmroot/python-rsa'...
$ git fetch origin c66b45236ac2aec33826dfd502eccbc9c1a47cdc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rsa
 * [new ref]         c66b45236ac2aec33826dfd502eccbc9c1a47cdc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c66b452 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild