$ git clone -n https://src.fedoraproject.org/rpms/python-django-email-url.git /var/lib/mock/f45-build-30351-644/root/chroot_tmpdir/scmroot/python-django-email-url
Cloning into '/var/lib/mock/f45-build-30351-644/root/chroot_tmpdir/scmroot/python-django-email-url'...
$ git fetch origin e921d52904d0ab10ce0c946181861414ff76fa15:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-django-email-url
 * [new ref]         e921d52904d0ab10ce0c946181861414ff76fa15 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e921d52 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild