$ git clone -n https://gitee.com/opencloudos-stream/trousers.git /home/lib/mock/dist-ocs23-loongarch64-build-186952-12842/root/chroot_tmpdir/scmroot/trousers
Cloning into '/home/lib/mock/dist-ocs23-loongarch64-build-186952-12842/root/chroot_tmpdir/scmroot/trousers'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/trousers
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c711562 Rebuilt for OpenCloudOS Stream 23.09