$ git clone -n https://gitee.com/opencloudos-stream/perl-Test-Future-IO-Impl.git /var/lib/mock/dist-oc9-epol-build-94242-59544/root/chroot_tmpdir/scmroot/perl-Test-Future-IO-Impl
Cloning into '/var/lib/mock/dist-oc9-epol-build-94242-59544/root/chroot_tmpdir/scmroot/perl-Test-Future-IO-Impl'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-Test-Future-IO-Impl
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8a6bcb update