$ git clone -n https://gitee.com/douzhichong/netperf.git /var/lib/mock/dist-an23-build-481244-74252/root/chroot_tmpdir/scmroot/netperf
Cloning into '/var/lib/mock/dist-an23-build-481244-74252/root/chroot_tmpdir/scmroot/netperf'...
$ git fetch origin 8a5e3618647d29157ba8107ca56d50ca8fbc0e7e:KOJI_FETCH_HEAD
From https://gitee.com/douzhichong/netperf
 * [new ref]         8a5e3618647d29157ba8107ca56d50ca8fbc0e7e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a5e361 update netperf.spec.