$ git clone -n https://gitee.com/src-opencloudos-rpms/varnish.git /var/lib/mock/dist-oc9-build-51759-14595/root/chroot_tmpdir/scmroot/varnish
Cloning into '/var/lib/mock/dist-oc9-build-51759-14595/root/chroot_tmpdir/scmroot/varnish'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/varnish
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3968c4f import varnish-7.2.1-3.tl4