$ git clone -n https://gitee.com/src-opencloudos-rpms/libsigsegv.git /var/lib/mock/dist-oc9-build-70502-47440/root/chroot_tmpdir/scmroot/libsigsegv
Cloning into '/var/lib/mock/dist-oc9-build-70502-47440/root/chroot_tmpdir/scmroot/libsigsegv'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libsigsegv
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8b4ad6 import libsigsegv-2.14-4.tl4