#pragma once #include "types.hh" #include "serialise.hh" namespace nix { /* dumpPath creates a Nix archive of the specified path. The format is as follows: IF path points to a REGULAR FILE: dump(path) = attrs( [ ("type", "regular") , ("contents", contents(path)) ]) IF path points to a DIRECTORY: dump(path) = attrs( [ ("type", "directory") , ("entries", concat(map(f, sort(entries(path))))) ]) where f(fn) = attrs( [ ("name", fn) , ("file", dump(path + "/" + fn)) ]) where: attrs(as) = concat(map(attr, as)) + encN(0) attrs((a, b)) = encS(a) + encS(b) encS(s) = encN(len(s)) + s + (padding until next 64-bit boundary) encN(n) = 64-bit little-endian encoding of n. contents(path) = the contents of a regular file. sort(strings) = lexicographic sort by 8-bit value (strcmp). entries(path) = the entries of a directory, without `.' and `..'. `+' denotes string concatenation. */ struct PathFi
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