$ git clone -n https://gitee.com/opencloudos-stream/perl-B-Debug.git /var/lib/mock/dist-oc9-epol-build-64540-16665/root/chroot_tmpdir/scmroot/perl-B-Debug
Cloning into '/var/lib/mock/dist-oc9-epol-build-64540-16665/root/chroot_tmpdir/scmroot/perl-B-Debug'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-B-Debug
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0fdf290 Rebuilt for OpenCloudOS Stream 23.09