$ git clone -n https://src.fedoraproject.org/rpms/e2tools.git /var/lib/mock/f45-build-7912-371/root/chroot_tmpdir/scmroot/e2tools
Cloning into '/var/lib/mock/f45-build-7912-371/root/chroot_tmpdir/scmroot/e2tools'...
$ git fetch origin bc0b005521d10af43947febc71f461c5cf967484:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/e2tools
 * [new ref]         bc0b005521d10af43947febc71f461c5cf967484 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc0b005 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild