$ git clone -n https://gitee.com/src-opencloudos-rpms/fuse-overlayfs.git /var/lib/mock/dist-oc9-build-69849-47352/root/chroot_tmpdir/scmroot/fuse-overlayfs
Cloning into '/var/lib/mock/dist-oc9-build-69849-47352/root/chroot_tmpdir/scmroot/fuse-overlayfs'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/fuse-overlayfs
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9bcf453 import fuse-overlayfs-1.12-2.tl4