$ git clone -n https://gitee.com/src-opencloudos-rpms/valgrind.git /var/lib/mock/dist-oc8-build-242108-82955/root/chroot_tmpdir/scmroot/valgrind
Cloning into '/var/lib/mock/dist-oc8-build-242108-82955/root/chroot_tmpdir/scmroot/valgrind'...
$ git fetch origin b6805bb20309639b14bdc4a260b991d7cc5fa630:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/valgrind
 * [new ref]         b6805bb20309639b14bdc4a260b991d7cc5fa630 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b6805bb import valgrind-3.22.0-4.tl3