$ git clone -n https://gitee.com/tomcruiseqi/protobuf.git /var/lib/mock/dist-an23.3-build-462039-73791/root/chroot_tmpdir/scmroot/protobuf
Cloning into '/var/lib/mock/dist-an23.3-build-462039-73791/root/chroot_tmpdir/scmroot/protobuf'...
$ git fetch origin 32c4cdeec643d3d728301f164466b401a6563ba1:KOJI_FETCH_HEAD
From https://gitee.com/tomcruiseqi/protobuf
 * [new ref]         32c4cdeec643d3d728301f164466b401a6563ba1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 32c4cde Update to 31.1