#pragma once

#include "types.hh"
#include "hash.hh"

#include <map>


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, HashType & hashType, 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 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;
};


class StoreAPI;


/* Write a derivation to the Nix store, and return its path. */
Path writeDerivation(StoreAPI & store,
    const Derivation & drv, const string & name, bool repair = false);

/* Read a derivation from a file. */
Derivation readDerivation(const Path & drvPath);

/* Print a derivation. */
string unparseDerivation(const Derivation & drv);

/* Check whether a file name ends with the extensions for
   derivations. */
bool isDerivation(const string & fileName);

/* Return true iff this is a fixed-output derivation. */
bool isFixedOutputDrv(const Derivation & drv);

Hash hashDerivationModulo(StoreAPI & store, Derivation drv);

/* Memoisation of hashDerivationModulo(). */
typedef std::map<Path, Hash> DrvHashes;

extern DrvHashes drvHashes;

/* 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);

PathSet outputPaths(const Derivation & drv);

}
bd7f869262ec3&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-12-08 22:58:37 +0100'>2020-12-08</span></td><td><a href='/guix/commit/tests/opam.scm?id=799f066768bacb321ebad84c75b2bbfd269e7cd8'>import: opam: Adjust test to latest 'opam-&gt;guix-package' changes.</a><span class='msg-avail'>...<span class='msg-tooltip'>This is a followup to a8dccd4bdc1e58219d4ba08fe1649bf0b8325f44, which
broke the test.

* guix/import/opam.scm (get-opam-repository): Prevent inlining.
* tests/opam.scm ("opam-&gt;guix-package"): Mock 'get-opam-repository'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-12-08 16:40:30 +0100'>2020-12-08</span></td><td><a href='/guix/commit/tests/opam.scm?id=15ee1b8317adeb74938f3bb7f0c7cb635a818292'>guix: opam: Pass default repository to recursive importer.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/import/opam.scm (opam-&gt;guix-package): Rename #:repository key
to #:repo.
(opam-recursive-import): Pass #:repo keyword.
* tests/opam.scm (opam-&gt;guix-package): Rename #:repository to #:repo.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2020-10-02 00:44:14 +0200'>2020-10-02</span></td><td><a href='/guix/commit/tests/opam.scm?id=23dc21f05b54ef63daaea9eb301cfddbc4c82ddb'>tests: opam: Test additional syntax.</a><span class='msg-avail'>...<span class='msg-tooltip'>* tests/opam.scm (test-comment): New test.
(test-lists): Add more tests for complex list patterns.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2020-10-02 00:30:23 +0200'>2020-10-02</span></td><td><a href='/guix/commit/tests/opam.scm?id=ad05537e32173403d034a0d552092f566abd05a5'>tests: opam: Factorize tests.</a><span class='msg-avail'>...<span class='msg-tooltip'>* tests/opam.scm: Remove duplicate code.
</span></span></td><td>Julien Lepiller</td></tr>
<tr><td><span title='2020-01-17 14:22:07 +0100'>2020-01-17</span></td><td><a href='/guix/commit/tests/opam.scm?id=282f91790a5bbd0d9b3223c4bfd45b66e418c200'>import: opam: Avoid uses of '@@' in tests.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/import/opam.scm (string-pat, multiline-string, list-pat)
(dict, condition): Export.
(opam-fetch): Add optional 'repository' parameter.
(opam-&gt;guix-package): Add #:repository parameter and pass it to
'opam-fetch'.
* tests/opam.scm ("opam-&gt;guix-package"): Remove use of 'mock' and pass
TEST-REPO to 'opam-&gt;guix-package' instead.
("parse-strings", "parse-multiline-strings")
("parse-lists", "parse-dicts", "parse-conditions"): Remove uses of '@@',
which are no longer needed.
</span></span></td><td>Ludovic Courtès</td></tr>