105 lines
2.9 KiB
C++
105 lines
2.9 KiB
C++
#pragma once
|
|
|
|
#include <map>
|
|
#include "hash.hh"
|
|
#include "store-api.hh"
|
|
#include "types.hh"
|
|
|
|
namespace nix {
|
|
|
|
/* Extension of derivations in the Nix store. */
|
|
const string drvExtension = ".drv";
|
|
|
|
/* Abstract syntax of derivations. */
|
|
|
|
struct DerivationOutput {
|
|
Path path;
|
|
string hashAlgo; /* hash used for expected hash computation */
|
|
string hash; /* expected hash, may be null */
|
|
DerivationOutput() {}
|
|
DerivationOutput(Path path, string hashAlgo, string hash) {
|
|
this->path = path;
|
|
this->hashAlgo = hashAlgo;
|
|
this->hash = hash;
|
|
}
|
|
void parseHashInfo(bool& recursive, Hash& hash) const;
|
|
};
|
|
|
|
typedef std::map<string, DerivationOutput> DerivationOutputs;
|
|
|
|
/* For inputs that are sub-derivations, we specify exactly which
|
|
output IDs we are interested in. */
|
|
typedef std::map<Path, StringSet> DerivationInputs;
|
|
|
|
typedef std::map<string, string> StringPairs;
|
|
|
|
struct BasicDerivation {
|
|
DerivationOutputs outputs; /* keyed on symbolic IDs */
|
|
PathSet inputSrcs; /* inputs that are sources */
|
|
string platform;
|
|
Path builder;
|
|
Strings args;
|
|
StringPairs env;
|
|
|
|
virtual ~BasicDerivation(){};
|
|
|
|
/* Return the path corresponding to the output identifier `id' in
|
|
the given derivation. */
|
|
Path findOutput(const string& id) const;
|
|
|
|
bool isBuiltin() const;
|
|
|
|
/* Return true iff this is a fixed-output derivation. */
|
|
bool isFixedOutput() const;
|
|
|
|
/* Return the output paths of a derivation. */
|
|
PathSet outputPaths() const;
|
|
};
|
|
|
|
struct Derivation : BasicDerivation {
|
|
DerivationInputs inputDrvs; /* inputs that are sub-derivations */
|
|
|
|
/* Print a derivation. */
|
|
std::string unparse() const;
|
|
};
|
|
|
|
class Store;
|
|
|
|
/* Write a derivation to the Nix store, and return its path. */
|
|
Path writeDerivation(ref<Store> store, const Derivation& drv,
|
|
const string& name, RepairFlag repair = NoRepair);
|
|
|
|
/* Read a derivation from a file. */
|
|
Derivation readDerivation(const Path& drvPath);
|
|
|
|
/* Check whether a file name ends with the extension for
|
|
derivations. */
|
|
bool isDerivation(const string& fileName);
|
|
|
|
Hash hashDerivationModulo(Store& store, Derivation drv);
|
|
|
|
/* Memoisation of hashDerivationModulo(). */
|
|
typedef std::map<Path, Hash> DrvHashes;
|
|
|
|
extern DrvHashes drvHashes; // FIXME: global, not thread-safe
|
|
|
|
/* Split a string specifying a derivation and a set of outputs
|
|
(/nix/store/hash-foo!out1,out2,...) into the derivation path and
|
|
the outputs. */
|
|
typedef std::pair<string, std::set<string> > DrvPathWithOutputs;
|
|
DrvPathWithOutputs parseDrvPathWithOutputs(const string& s);
|
|
|
|
Path makeDrvPathWithOutputs(const Path& drvPath,
|
|
const std::set<string>& outputs);
|
|
|
|
bool wantOutput(const string& output, const std::set<string>& wanted);
|
|
|
|
struct Source;
|
|
struct Sink;
|
|
|
|
Source& readDerivation(Source& in, Store& store, BasicDerivation& drv);
|
|
Sink& operator<<(Sink& out, const BasicDerivation& drv);
|
|
|
|
std::string hashPlaceholder(const std::string& outputName);
|
|
|
|
} // namespace nix
|