$ git clone -n https://gitee.com/wenyuzifang/libgphoto2.git /var/lib/mock/dist-an23-build-485316-74348/root/chroot_tmpdir/scmroot/libgphoto2
Cloning into '/var/lib/mock/dist-an23-build-485316-74348/root/chroot_tmpdir/scmroot/libgphoto2'...
$ git fetch origin 0f87841129ae3133d82f7e8a42b5ff2e0f92922b:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/libgphoto2
 * [new ref]         0f87841129ae3133d82f7e8a42b5ff2e0f92922b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f87841 Update code from upstream