$ git clone -n https://src.fedoraproject.org/rpms/ibus-typing-booster.git /var/lib/mock/f42-build-side-1-3582732-46886/root/chroot_tmpdir/scmroot/ibus-typing-booster
Cloning into '/var/lib/mock/f42-build-side-1-3582732-46886/root/chroot_tmpdir/scmroot/ibus-typing-booster'...
$ git fetch origin 88ead489ecb07fa84bb45783cb25767f7ba880b0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ibus-typing-booster
 * [new ref]         88ead489ecb07fa84bb45783cb25767f7ba880b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88ead48 Update to 2.27.68