$ git clone -n https://gitee.com/opencloudos-stream/perl-Variable-Magic.git /var/lib/mock/dist-ocs23-base-build-273881-25836/root/chroot_tmpdir/scmroot/perl-Variable-Magic
Cloning into '/var/lib/mock/dist-ocs23-base-build-273881-25836/root/chroot_tmpdir/scmroot/perl-Variable-Magic'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/perl-Variable-Magic
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 134fbd9 Rebuilt for loongarch release