$ git clone -n https://gitee.com/src-opencloudos-rpms/tracker.git /var/lib/mock/dist-oc9-pre-build-238252-82523/root/chroot_tmpdir/scmroot/tracker
Cloning into '/var/lib/mock/dist-oc9-pre-build-238252-82523/root/chroot_tmpdir/scmroot/tracker'...
$ git fetch origin f73b2802532490aa8064ca6591c487531e37be5c:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tracker
 * [new ref]         f73b2802532490aa8064ca6591c487531e37be5c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f73b280 import tracker-3.5.3-7.tl4