$ git clone -n https://gitee.com/opencloudos-stream/pdns-recursor.git /var/lib/mock/dist-oc9-epol-build-93244-59406/root/chroot_tmpdir/scmroot/pdns-recursor
Cloning into '/var/lib/mock/dist-oc9-epol-build-93244-59406/root/chroot_tmpdir/scmroot/pdns-recursor'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/pdns-recursor
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8a0a14 package init