71 lines
1.5 KiB
C++
71 lines
1.5 KiB
C++
#ifndef __DERIVATIONS_H
|
|
#define __DERIVATIONS_H
|
|
|
|
#include <map>
|
|
|
|
#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;
|
|
}
|
|
};
|
|
|
|
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 Derivation
|
|
{
|
|
DerivationOutputs outputs; /* keyed on symbolic IDs */
|
|
DerivationInputs inputDrvs; /* inputs that are sub-derivations */
|
|
PathSet inputSrcs; /* inputs that are sources */
|
|
string platform;
|
|
Path builder;
|
|
Strings args;
|
|
StringPairs env;
|
|
};
|
|
|
|
|
|
/* Write a derivation to the Nix store, and return its path. */
|
|
Path writeDerivation(const Derivation & drv, const string & name);
|
|
|
|
/* Parse a derivation. */
|
|
Derivation parseDerivation(const string & s);
|
|
|
|
/* Print a derivation. */
|
|
string unparseDerivation(const Derivation & drv);
|
|
|
|
/* Check whether a file name ends with the extensions for
|
|
derivations. */
|
|
bool isDerivation(const string & fileName);
|
|
|
|
|
|
}
|
|
|
|
|
|
#endif /* !__DERIVATIONS_H */
|