$ git clone -n https://gitee.com/opencloudos-stream/libserf.git /var/lib/mock/dist-ocs23-rebuild-test-0-build-181414-12095/root/chroot_tmpdir/scmroot/libserf
Cloning into '/var/lib/mock/dist-ocs23-rebuild-test-0-build-181414-12095/root/chroot_tmpdir/scmroot/libserf'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/libserf
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23f27f7 !2 【自动升级】libserf 1.3.10 Merge pull request !2 from ocs-bot/master