$ git clone -n https://gitee.com/opencloudos-stream/perl-DateTime-HiRes.git /var/lib/mock/dist-ocs23-epol9-build-155231-9986/root/chroot_tmpdir/scmroot/perl-DateTime-HiRes
Cloning into '/var/lib/mock/dist-ocs23-epol9-build-155231-9986/root/chroot_tmpdir/scmroot/perl-DateTime-HiRes'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-DateTime-HiRes
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 640b1da package init