$ git clone -n https://gitee.com/wenyuzifang/cups-pk-helper_1759049643.git /var/lib/mock/dist-an23-build-471821-74118/root/chroot_tmpdir/scmroot/cups-pk-helper_1759049643
Cloning into '/var/lib/mock/dist-an23-build-471821-74118/root/chroot_tmpdir/scmroot/cups-pk-helper_1759049643'...
$ git fetch origin ddd38921374517f6ea03d8e6550e18b9d66a1e89:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/cups-pk-helper_1759049643
 * [new ref]         ddd38921374517f6ea03d8e6550e18b9d66a1e89 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ddd3892 Update code from upstream