$ git clone -n https://gitee.com/src-opencloudos-rpms/blis.git /var/lib/mock/dist-oc9-build-69526-47301/root/chroot_tmpdir/scmroot/blis
Cloning into '/var/lib/mock/dist-oc9-build-69526-47301/root/chroot_tmpdir/scmroot/blis'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/blis
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b78e70 import blis-0.9.0-1.tl4