Don't try to push if the tree_root still is the same
If the user just read into the batched function and does not change anything, we just return the result.
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1 changed files with 20 additions and 17 deletions
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@ -630,12 +630,15 @@ module Make (Pclock : Mirage_clock.PCLOCK) = struct
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(* XXX(dinosaure): we assume that only [batch] can reset [t.committed] to [None] and
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we ensured that [batch] can not be called into [f]. So we are sure that [t'.committed]
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must be [Some _] in anyway. *)
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let[@warning "-8"] Some (tree_root_hash, _) = t'.committed in
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let[@warning "-8"] Some (new_tree_root_hash, _) = t'.committed in
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if Digestif.SHA1.equal new_tree_root_hash tree_root_hash
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then Lwt.return_ok res (* XXX(dinosaure): nothing to send! *)
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else
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let action = Option.fold ~none:(`Create t.branch) ~some:(fun _ -> `Update (t.branch, t.branch)) t.head in
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let parents = Option.value ~default:[] (Option.map (fun head -> [ head ]) t.head) in
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let committer = author ~now in
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let author = author ~now in
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let commit = Store.Value.Commit.make ~tree:tree_root_hash ~author ~committer
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let commit = Store.Value.Commit.make ~tree:new_tree_root_hash ~author ~committer
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~parents (Some "Committed by git-kv") in
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Store.write t.store (Git.Value.Commit commit) >>= fun (hash, _) ->
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t.head <- Some hash ;
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