$ git clone -n https://gitee.com/opencloudos-stream/perl-Bit-Vector.git /var/lib/mock/dist-ocs23-build-27044-1191/root/chroot_tmpdir/scmroot/perl-Bit-Vector
Cloning into '/var/lib/mock/dist-ocs23-build-27044-1191/root/chroot_tmpdir/scmroot/perl-Bit-Vector'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-Bit-Vector
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ee8fdf5 update