$ git clone -n https://gitee.com/ocs-upgrade/delve.git /var/lib/mock/dist-ocs23-base-build-296758-28839/root/chroot_tmpdir/scmroot/delve
Cloning into '/var/lib/mock/dist-ocs23-base-build-296758-28839/root/chroot_tmpdir/scmroot/delve'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/delve
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0cc75e3 Upgrade to version 1.23.1