$ git clone -n https://src.fedoraproject.org/rpms/libieee1284.git /var/lib/mock/f45-build-16340-485/root/chroot_tmpdir/scmroot/libieee1284
Cloning into '/var/lib/mock/f45-build-16340-485/root/chroot_tmpdir/scmroot/libieee1284'...
$ git fetch origin f99b044c9008c71e0f4059a3776fcb58abea4138:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libieee1284
 * [new ref]         f99b044c9008c71e0f4059a3776fcb58abea4138 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f99b044 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild