$ git clone -n https://src.fedoraproject.org/rpms/python-requests-download.git /var/lib/mock/f45-build-32721-661/root/chroot_tmpdir/scmroot/python-requests-download
Cloning into '/var/lib/mock/f45-build-32721-661/root/chroot_tmpdir/scmroot/python-requests-download'...
$ git fetch origin d9b5cc5f8327c6f394aef8b07084f6e1edc04099:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-requests-download
 * [new ref]         d9b5cc5f8327c6f394aef8b07084f6e1edc04099 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d9b5cc5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild