$ git clone -n https://gitee.com/wenyuzifang/abseil-cpp.git /var/lib/mock/dist-an23-build-464734-73881/root/chroot_tmpdir/scmroot/abseil-cpp
Cloning into '/var/lib/mock/dist-an23-build-464734-73881/root/chroot_tmpdir/scmroot/abseil-cpp'...
$ git fetch origin befee5c6c119b9d992e2d27d8a86c5716bd3b7fc:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/abseil-cpp
 * [new ref]         befee5c6c119b9d992e2d27d8a86c5716bd3b7fc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at befee5c Update code from upstream