$ git clone -n https://gitee.com/src-opencloudos-rpms/perl.git /var/lib/mock/dist-oc8-build-249479-83846/root/chroot_tmpdir/scmroot/perl
Cloning into '/var/lib/mock/dist-oc8-build-249479-83846/root/chroot_tmpdir/scmroot/perl'...
$ git fetch origin e603aaf3d5590cbbd5055d13793ae8c62e80c088:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/perl
 * [new ref]         e603aaf3d5590cbbd5055d13793ae8c62e80c088 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e603aaf import perl-5.26.3-423.tl3.1