$ git clone -n https://src.fedoraproject.org/rpms/binutils.git /var/lib/mock/f41-build-841682-161335/root/chroot_tmpdir/scmroot/binutils
Cloning into '/var/lib/mock/f41-build-841682-161335/root/chroot_tmpdir/scmroot/binutils'...
$ git fetch origin fddf5b0c9a449a063627a8b08bf5484165726c66:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/binutils
 * [new ref]         fddf5b0c9a449a063627a8b08bf5484165726c66 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fddf5b0 Use correct fix for BZ 2301454.