$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Crypt-OpenSSL-RSA.git /var/lib/mock/dist-oc9-build-71088-47516/root/chroot_tmpdir/scmroot/perl-Crypt-OpenSSL-RSA
Cloning into '/var/lib/mock/dist-oc9-build-71088-47516/root/chroot_tmpdir/scmroot/perl-Crypt-OpenSSL-RSA'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Crypt-OpenSSL-RSA
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ee0e4c3 import perl-Crypt-OpenSSL-RSA-0.33-1.tl4