$ git clone -n https://gitee.com/opencloudos-stream/fluent-bit.git /var/lib/mock/dist-oc9-epol-build-90164-58744/root/chroot_tmpdir/scmroot/fluent-bit
Cloning into '/var/lib/mock/dist-oc9-epol-build-90164-58744/root/chroot_tmpdir/scmroot/fluent-bit'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/fluent-bit
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4daac72 !2 add loongarch64 to ExcludeArch Merge pull request !2 from dpd/master