$ git clone -n https://src.fedoraproject.org/rpms/python-standard-nntplib.git /var/lib/mock/f45-build-33200-667/root/chroot_tmpdir/scmroot/python-standard-nntplib
Cloning into '/var/lib/mock/f45-build-33200-667/root/chroot_tmpdir/scmroot/python-standard-nntplib'...
$ git fetch origin 357e9ab6627c1ca8ab1c8da636b364b2dea15d94:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-standard-nntplib
 * [new ref]         357e9ab6627c1ca8ab1c8da636b364b2dea15d94 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 357e9ab Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild