$ git clone -n https://gitee.com/src-opencloudos-rpms/catch1.git /var/lib/mock/dist-oc9-build-63379-16463/root/chroot_tmpdir/scmroot/catch1
Cloning into '/var/lib/mock/dist-oc9-build-63379-16463/root/chroot_tmpdir/scmroot/catch1'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/catch1
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 405cc08 import catch1-1.12.2-4.tl4