$ git clone -n https://gitee.com/ocs-upgrade/gnupg2.git /var/lib/mock/dist-ocs23-build-193563-13026/root/chroot_tmpdir/scmroot/gnupg2
Cloning into '/var/lib/mock/dist-ocs23-build-193563-13026/root/chroot_tmpdir/scmroot/gnupg2'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/gnupg2
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c9162d Upgrade to version 2.4.5