$ git clone -n https://gitee.com/opencloudos-stream/perl-Taint-Util.git /var/lib/mock/dist-oc9-epol-build-85540-57495/root/chroot_tmpdir/scmroot/perl-Taint-Util
Cloning into '/var/lib/mock/dist-oc9-epol-build-85540-57495/root/chroot_tmpdir/scmroot/perl-Taint-Util'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-Taint-Util
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3dc5725 update