$ git clone -n https://gitee.com/opencloudos-stream/libev.git /var/lib/mock/dist-ocs23-loongarch64-build-141246-9712/root/chroot_tmpdir/scmroot/libev
Cloning into '/var/lib/mock/dist-ocs23-loongarch64-build-141246-9712/root/chroot_tmpdir/scmroot/libev'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libev
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 042a3a6 Rebuilt for OpenCloudOS Stream 23.09