$ git clone -n https://src.fedoraproject.org/rpms/fontawesome-fonts.git /var/lib/mock/f39-build-1495355-34544/root/chroot_tmpdir/scmroot/fontawesome-fonts
Cloning into '/var/lib/mock/f39-build-1495355-34544/root/chroot_tmpdir/scmroot/fontawesome-fonts'...
$ git fetch origin 4266c880646b781d9d7617860891697254062271:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fontawesome-fonts
 * [new ref]         4266c880646b781d9d7617860891697254062271 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4266c88 Version 6.4.2