$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Email-Valid.git /var/lib/mock/dist-oc9-build-129716-77941/root/chroot_tmpdir/scmroot/perl-Email-Valid
Cloning into '/var/lib/mock/dist-oc9-build-129716-77941/root/chroot_tmpdir/scmroot/perl-Email-Valid'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Email-Valid
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d13ac2 import perl-Email-Valid-1.202-8.tl4