$ git clone -n https://gitee.com/src-opencloudos-rpms/blktrace.git /var/lib/mock/dist-oc8-build-116953-68256/root/chroot_tmpdir/scmroot/blktrace
Cloning into '/var/lib/mock/dist-oc8-build-116953-68256/root/chroot_tmpdir/scmroot/blktrace'...
$ git fetch origin 1d8b6515c14d7261f7feecd3a6098e7ce8b043a5:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/blktrace
 * [new ref]         1d8b6515c14d7261f7feecd3a6098e7ce8b043a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d8b651 import blktrace-1.2.0-11.tl3