$ git clone -n https://gitee.com/zhuzhustu/pv.git /var/lib/mock/dist-an23-build-524918-77908/root/chroot_tmpdir/scmroot/pv
Cloning into '/var/lib/mock/dist-an23-build-524918-77908/root/chroot_tmpdir/scmroot/pv'...
$ git fetch origin 591c7129ada211f723287159e18864278e1a8e75:KOJI_FETCH_HEAD
From https://gitee.com/zhuzhustu/pv
 * [new ref]         591c7129ada211f723287159e18864278e1a8e75 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 591c712 update pv.spec.