#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);

}
content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/rdesktop.scm?id=c54f6c0b532bfadbcd94d7997ad73077d33e9220&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-12-01 09:09:23 +0200'>2024-12-01</span></td><td><a href='/guix/commit/gnu/packages/rdesktop.scm?id=1fb40a5b920fa856fe4b9ad85b7da74d75b9f769'>gnu: xrdp: Only build with nasm on necessary platforms.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/rdesktop.scm (xrdp)[native-inputs]: Only include nasm on
platforms which need it.

Change-Id: I9f390af3c12752bc0c3696910170bc994b8a5fd6
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2024-12-01 09:04:21 +0200'>2024-12-01</span></td><td><a href='/guix/commit/gnu/packages/rdesktop.scm?id=9c3feb3773ac9af09db3815b6410ce565f9cf70c'>gnu: xorgxrdp: Only build with nasm on necessary platforms.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/rdesktop.scm (xorgxrdp)[native-inputs]: Only include nasm
on platforms which need it.

Change-Id: I00778cf4b53776754525d42e0586076d4f2be61b
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2024-11-29 17:02:27 +0800'>2024-11-29</span></td><td><a href='/guix/commit/gnu/packages/rdesktop.scm?id=c5421392081944d43db18fe04eafecec521f994a'>gnu: xorgxrdp: Switch to git source.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/rdesktop.scm (xorgxrdp)[source]: Switch to git-fetch.
[native-inputs]: Add autoconf, automake and libtool.

Change-Id: I6ff0b7f76c750ab932aa3ffd5997c70479644b8d
</span></span></td><td>Zheng Junjie</td></tr>
<tr><td><span title='2024-11-29 12:47:44 +0800'>2024-11-29</span></td><td><a href='/guix/commit/gnu/packages/rdesktop.scm?id=5c69f08f2e9f1c31ea1d88c39875237208ddfa03'>gnu: xorgxrdp: Update to 0.10.2.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/rdesktop.scm (xorgxrdp): Update to 0.10.2.

Change-Id: I7b25ac3b5aba0ae44729db5d83b7280f2ae33c55
Signed-off-by: Zheng Junjie &lt;zhengjunjie@iscas.ac.cn&gt;
</span></span></td><td>Andy Tai</td></tr>
<tr><td><span title='2024-11-29 12:46:57 +0800'>2024-11-29</span></td><td><a href='/guix/commit/gnu/packages/rdesktop.scm?id=40ab9e8495a76722478510ea391ce74f54985b50'>gnu: xrdp: Update to 0.10.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/rdesktop.scm (xrdp): Update to 0.10.1.

Change-Id: I876d2ba9deeaed721c7300537221848f4392b2d0
Signed-off-by: Zheng Junjie &lt;zhengjunjie@iscas.ac.cn&gt;
</span></span></td><td>Andy Tai</td></tr>
<tr><td><span title='2024-07-11 15:58:24 -0500'>2024-07-11</span></td><td><a href='/guix/commit/gnu/packages/rdesktop.scm?id=7e9a6836cd529e7d5f6fe7ee0167b09c989ee72e'>gnu: xrdp: update to 0.10.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/rdesktop.scm (xrdp): Update to 0.10.0.
  [native-inputs]: Add cmocka.

Change-Id: Ifdf6e8759753d49a8f169aac128a943be71f2958
Signed-off-by: jgart &lt;jgart@dismail.de&gt;
</span></span></td><td>Andy Tai</td></tr>