$ git clone -n https://src.fedoraproject.org/rpms/fonttools.git /var/lib/mock/f39-build-1683312-41052/root/chroot_tmpdir/scmroot/fonttools
Cloning into '/var/lib/mock/f39-build-1683312-41052/root/chroot_tmpdir/scmroot/fonttools'...
$ git fetch origin b82fc1268f5456a0496e3e0a8c71b73004e72126:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fonttools
 * [new ref]         b82fc1268f5456a0496e3e0a8c71b73004e72126 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b82fc12 Updates CI tests