$ git clone -n https://gitee.com/gaohongmei/dwz.git /var/lib/mock/dist-an23-build-193572-60825/root/chroot_tmpdir/scmroot/dwz
Cloning into '/var/lib/mock/dist-an23-build-193572-60825/root/chroot_tmpdir/scmroot/dwz'...
$ git fetch origin 90917e843803dd87d91730c5ca5cdf8f121f332d:KOJI_FETCH_HEAD
From https://gitee.com/gaohongmei/dwz
 * [new ref]         90917e843803dd87d91730c5ca5cdf8f121f332d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90917e8 optimise spec file