$ git clone -n https://gitee.com/wenyuzifang/javapackages-bootstrap.git /var/lib/mock/dist-an23-build-471708-74118/root/chroot_tmpdir/scmroot/javapackages-bootstrap
Cloning into '/var/lib/mock/dist-an23-build-471708-74118/root/chroot_tmpdir/scmroot/javapackages-bootstrap'...
$ git fetch origin 220a2d6e9fff97226d260d72fb766da8330edecd:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/javapackages-bootstrap
 * [new ref]         220a2d6e9fff97226d260d72fb766da8330edecd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 220a2d6 Update code from upstream