$ git clone -n https://gitee.com/src-opencloudos-rpms/sdl12-compat.git /var/lib/mock/dist-oc9-build-62246-16463/root/chroot_tmpdir/scmroot/sdl12-compat
Cloning into '/var/lib/mock/dist-oc9-build-62246-16463/root/chroot_tmpdir/scmroot/sdl12-compat'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/sdl12-compat
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 231cd93 import sdl12-compat-1.2.60-3.tl4