$ git clone -n https://gitee.com/opencloudos-stream/cpanspec.git /var/lib/mock/dist-ocs23-epol9-build-152807-9986/root/chroot_tmpdir/scmroot/cpanspec
Cloning into '/var/lib/mock/dist-ocs23-epol9-build-152807-9986/root/chroot_tmpdir/scmroot/cpanspec'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/cpanspec
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9b26f7 package init