$ git clone -n https://gitee.com/tomcruiseqi/protobuf.git /var/lib/mock/dist-an23.3-build-461973-73791/root/chroot_tmpdir/scmroot/protobuf
Cloning into '/var/lib/mock/dist-an23.3-build-461973-73791/root/chroot_tmpdir/scmroot/protobuf'...
$ git fetch origin 59dc1e758bbb8b602421fe8755591276928ba51e:KOJI_FETCH_HEAD
From https://gitee.com/tomcruiseqi/protobuf
 * [new ref]         59dc1e758bbb8b602421fe8755591276928ba51e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 59dc1e7 Update to 31.1