$ git clone -n https://gitee.com/src-opencloudos-rpms/shim.git /var/lib/mock/dist-oc9-build-68126-46854/root/chroot_tmpdir/scmroot/shim
Cloning into '/var/lib/mock/dist-oc9-build-68126-46854/root/chroot_tmpdir/scmroot/shim'...
$ git fetch origin 977a7036d877ad50e5bd3e55b9189e59135a09b1:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/shim
 * [new ref]         977a7036d877ad50e5bd3e55b9189e59135a09b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 977a703 import shim-15.7-5.tl4