$ git clone -n https://src.fedoraproject.org/rpms/hfsutils.git /var/lib/mock/f45-build-13412-450/root/chroot_tmpdir/scmroot/hfsutils
Cloning into '/var/lib/mock/f45-build-13412-450/root/chroot_tmpdir/scmroot/hfsutils'...
$ git fetch origin 8fe66a9c2fb70500d291e871b669d1c097c437d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hfsutils
 * [new ref]         8fe66a9c2fb70500d291e871b669d1c097c437d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8fe66a9 Port tclhfs.c and hfswish.c to the Tcl 9 result API