package octez-internal-libs

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package octez-internal-libs
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An abstraction on top of the index library that exposes an API that better fits the irmin-pack use case.

Parameters

module K : Irmin.Hash.S

Signature

type t
type key = K.t
include Index.S with type value := value and type t := t and type key := key
type cache

The type for caches of index instances.

val empty_cache : unit -> cache

Construct a new empty cache of index instances.

val clear : t -> unit

clear t clears t so that there are no more bindings in it.

val replace : ?overcommit:bool -> t -> key -> value -> unit

replace t k v binds k to v in t, replacing any existing binding of k.

If overcommit is true, the operation does not triger a merge, even if the caches are full. By default overcommit is false.

val sync : t -> unit

sync t syncs a read-only index with the files on disk. Raises RW_not_allowed if called by a read-write index.

val is_merging : t -> bool

is_merging t returns true if t is running a merge. Raises RO_not_allowed if called by a read-only index.

module Checks : sig ... end

Offline fsck-like utility for checking the integrity of Index stores built using this module.

module Io = Io.Unix
val v_exn : ?flush_callback:(unit -> unit) -> ?fresh:bool -> ?readonly:bool -> ?throttle:[ `Block_writes | `Overcommit_memory ] -> ?lru_size:int -> log_size:int -> string -> t
type create_error := [
  1. | `Index_failure of string
  2. | `Io_misc of Io.misc_error
]
type write_error := [
  1. | `Index_failure of string
  2. | `Io_misc of Io.misc_error
  3. | `Ro_not_allowed
]
val v : ?flush_callback:(unit -> unit) -> ?fresh:bool -> ?readonly:bool -> ?throttle:[ `Block_writes | `Overcommit_memory ] -> ?lru_size:int -> log_size:int -> string -> (t, [> create_error ]) result
val reload : t -> (unit, [> write_error ]) result
val close : t -> (unit, [> write_error ]) result
val close_exn : t -> unit
val flush : t -> with_fsync:bool -> (unit, [> write_error ]) result
val find : t -> key -> value option
val add : ?overcommit:bool -> t -> key -> value -> unit
val merge : t -> unit
val mem : t -> key -> bool
val iter : (key -> value -> unit) -> t -> unit
val filter : t -> ((key * value) -> bool) -> unit
val try_merge : t -> unit
module Stats = Index.Stats
module Key : Index.Key.S with type t = key
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