$ git clone -n https://gitee.com/wency_cn/cups_1767838277.git /var/lib/mock/dist-an23-build-504973-74854/root/chroot_tmpdir/scmroot/cups_1767838277
Cloning into '/var/lib/mock/dist-an23-build-504973-74854/root/chroot_tmpdir/scmroot/cups_1767838277'...
$ git fetch origin 72e05efa416441c08d0b3491d722a6fe8d12f2ca:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/cups_1767838277
 * [new ref]         72e05efa416441c08d0b3491d722a6fe8d12f2ca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72e05ef Update code from upstream