$ git clone -n https://gitee.com/wenyuzifang/PackageKit.git /var/lib/mock/dist-an23-build-451411-73482/root/chroot_tmpdir/scmroot/PackageKit
Cloning into '/var/lib/mock/dist-an23-build-451411-73482/root/chroot_tmpdir/scmroot/PackageKit'...
$ git fetch origin 19df34f8b3da7b091124063b5862956298378c11:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/PackageKit
 * [new ref]         19df34f8b3da7b091124063b5862956298378c11 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19df34f Update code from upstream