$ git clone -n https://gitee.com/opencloudos-stream/ghc-setenv.git /var/lib/mock/dist-oc9-epol-build-198226-80423/root/chroot_tmpdir/scmroot/ghc-setenv
Cloning into '/var/lib/mock/dist-oc9-epol-build-198226-80423/root/chroot_tmpdir/scmroot/ghc-setenv'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ghc-setenv
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48353ff !3 Rebuilt for loongarch64 Merge pull request !3 from brucezhang/master