$ git clone -n https://gitee.com/src-opencloudos-rpms/perl-Date-Manip.git /var/lib/mock/dist-oc9-build-247263-83554/root/chroot_tmpdir/scmroot/perl-Date-Manip
Cloning into '/var/lib/mock/dist-oc9-build-247263-83554/root/chroot_tmpdir/scmroot/perl-Date-Manip'...
$ git fetch origin 0186a67fde1464ada7010cc1606f38d15e293571:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl-Date-Manip
 * [new ref]         0186a67fde1464ada7010cc1606f38d15e293571 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0186a67 import perl-Date-Manip-6.88-8.tl4