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xferhint.mli (797B)

      1 (* Unison file synchronizer: src/xferhint.mli *)
      2 (* Copyright 1999-2020, Benjamin C. Pierce (see COPYING for details) *)
      3 
      4 (* This module maintains a cache that can be used to map
      5    an Os.fullfingerprint to a (Fspath.t * Path.t) naming a file that *may*
      6    (if we are lucky) have this fingerprint.  The cache is not guaranteed
      7    to be reliable -- the things it returns are only hints, and must be
      8    double-checked before they are used (to optimize file transfers). *)
      9 
     10 val xferbycopying: bool Prefs.t
     11 
     12 type handle
     13 
     14 (* Suggest a file that's likely to have a given fingerprint *)
     15 val lookup: Os.fullfingerprint -> (Fspath.t * Path.local * handle) option
     16 
     17 (* Add a file *)
     18 val insertEntry: Fspath.t -> Path.local -> Os.fullfingerprint -> unit
     19 
     20 (* Delete an entry *)
     21 val deleteEntry: handle -> unit