$ git clone -n https://src.fedoraproject.org/rpms/ibus.git /var/lib/mock/f40-build-2246589-53827/root/chroot_tmpdir/scmroot/ibus
Cloning into '/var/lib/mock/f40-build-2246589-53827/root/chroot_tmpdir/scmroot/ibus'...
$ git fetch origin 27145fdaf3cea6e76fdc70358653d6d4b44f61e1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ibus
 * [new ref]         27145fdaf3cea6e76fdc70358653d6d4b44f61e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 27145fd Fix game control keys with language layout