$ git clone -n https://gitee.com/fundawang/boost.git /var/lib/mock/dist-an23-build-189662-60753/root/chroot_tmpdir/scmroot/boost
Cloning into '/var/lib/mock/dist-an23-build-189662-60753/root/chroot_tmpdir/scmroot/boost'...
$ git fetch origin b013da98ec10537f4a9ae5c0491a8e5750ee2ace:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/boost
 * [new ref]         b013da98ec10537f4a9ae5c0491a8e5750ee2ace -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b013da9 fix build