63 lines
1.4 KiB
C++
63 lines
1.4 KiB
C++
#ifndef __DERIVATIONS_H
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#define __DERIVATIONS_H
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#include "aterm.hh"
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#include "store.hh"
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/* Extension of derivations in the Nix store. */
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const string drvExtension = ".drv";
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/* Abstract syntax of derivations. */
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struct DerivationOutput
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{
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Path path;
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string hashAlgo; /* hash used for expected hash computation */
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string hash; /* expected hash, may be null */
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DerivationOutput()
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{
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}
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DerivationOutput(Path path, string hashAlgo, string hash)
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{
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this->path = path;
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this->hashAlgo = hashAlgo;
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this->hash = hash;
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}
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};
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typedef map<string, DerivationOutput> DerivationOutputs;
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typedef map<string, string> StringPairs;
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struct Derivation
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{
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DerivationOutputs outputs; /* keyed on symbolic IDs */
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PathSet inputDrvs; /* inputs that are sub-derivations */
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PathSet inputSrcs; /* inputs that are sources */
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string platform;
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Path builder;
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Strings args;
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StringPairs env;
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};
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/* Hash an aterm. */
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Hash hashTerm(ATerm t);
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/* Write a derivation to the Nix store, and return its path. */
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Path writeDerivation(const Derivation & drv, const string & name);
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/* Parse a derivation. */
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Derivation parseDerivation(ATerm t);
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/* Parse a derivation. */
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ATerm unparseDerivation(const Derivation & drv);
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/* Check whether a file name ends with the extensions for
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derivations. */
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bool isDerivation(const string & fileName);
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#endif /* !__DERIVATIONS_H */
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