$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-local-lib.git /var/lib/mock/dist-oc9-build-71233-47534/root/chroot_tmpdir/scmroot/perl-local-lib
Cloning into '/var/lib/mock/dist-oc9-build-71233-47534/root/chroot_tmpdir/scmroot/perl-local-lib'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-local-lib
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0182ff1 import perl-local-lib-2.000029-5.tl4