$ git clone -n https://gitee.com/src-opencloudos-rpms/bluez.git /var/lib/mock/dist-oc9-build-248268-83684/root/chroot_tmpdir/scmroot/bluez
Cloning into '/var/lib/mock/dist-oc9-build-248268-83684/root/chroot_tmpdir/scmroot/bluez'...
$ git fetch origin e9fef57d73441663b03bbd498fffeac7cacea31c:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/bluez
 * [new ref]         e9fef57d73441663b03bbd498fffeac7cacea31c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9fef57 import bluez-5.64-7.tl4