$ git clone -n https://src.fedoraproject.org/rpms/python-myrepos-utils.git /var/lib/mock/f45-build-31667-654/root/chroot_tmpdir/scmroot/python-myrepos-utils
Cloning into '/var/lib/mock/f45-build-31667-654/root/chroot_tmpdir/scmroot/python-myrepos-utils'...
$ git fetch origin 07c290479981fa6d2d0084134e54c52225f9eb86:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-myrepos-utils
 * [new ref]         07c290479981fa6d2d0084134e54c52225f9eb86 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07c2904 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild