$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Package-Stash.git /var/lib/mock/dist-oc9-build-43782-14591/root/chroot_tmpdir/scmroot/perl-Package-Stash
Cloning into '/var/lib/mock/dist-oc9-build-43782-14591/root/chroot_tmpdir/scmroot/perl-Package-Stash'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Package-Stash
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b80c014 import perl-Package-Stash-0.40-4.tl4