$ git clone -n https://gitee.com/wenyuzifang/abseil-cpp.git /var/lib/mock/dist-an23-build-484899-74348/root/chroot_tmpdir/scmroot/abseil-cpp
Cloning into '/var/lib/mock/dist-an23-build-484899-74348/root/chroot_tmpdir/scmroot/abseil-cpp'...
$ git fetch origin b132ab4bc017eada89a41b40b030f6f7e0a59846:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/abseil-cpp
 * [new ref]         b132ab4bc017eada89a41b40b030f6f7e0a59846 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b132ab4 Update code from upstream