$ git clone -n https://gitee.com/opencloudos-stream/ghc-tar-conduit.git /var/lib/mock/dist-oc9-epol-build-222354-81002/root/chroot_tmpdir/scmroot/ghc-tar-conduit
Cloning into '/var/lib/mock/dist-oc9-epol-build-222354-81002/root/chroot_tmpdir/scmroot/ghc-tar-conduit'...
$ git fetch origin 6a6f15a9c95301c427cea2043240cfb40e715fa8:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ghc-tar-conduit
 * [new ref]         6a6f15a9c95301c427cea2043240cfb40e715fa8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a6f15a !2 Rebuilt for loongarch64 Merge pull request !2 from brucezhang/master