$ git clone -n https://gitee.com/src-opencloudos-rpms/libabigail /var/lib/mock/dist-oc9-build-66854-17308/root/chroot_tmpdir/scmroot/libabigail
Cloning into '/var/lib/mock/dist-oc9-build-66854-17308/root/chroot_tmpdir/scmroot/libabigail'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libabigail
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3115f8e debrand for opencloudos