$ git clone -n https://gitee.com/src-opencloudos-rpms/bluez.git /var/lib/mock/dist-oc8-build-134674-78841/root/chroot_tmpdir/scmroot/bluez
Cloning into '/var/lib/mock/dist-oc8-build-134674-78841/root/chroot_tmpdir/scmroot/bluez'...
$ git fetch origin 4c4879ed3faba23a007bf9904a49f134f279a498:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/bluez
 * [new ref]         4c4879ed3faba23a007bf9904a49f134f279a498 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c4879e import bluez-5.63-5.tl3