#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);

}
35143c6fad&amp;showmsg=1'>packages</a>/<a href='/guix/log/gnu/packages/textutils.scm?id=0105b8624dbba539677ebbfd0dc0bd35143c6fad&amp;showmsg=1'>textutils.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/textutils.scm?id=0105b8624dbba539677ebbfd0dc0bd35143c6fad'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2020-10-13 19:01:33 +0200'>2020-10-13</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/textutils.scm?id=b4d7d41b222e6b8d8e85980e0da85785c86c0966'>gnu: dos2unix: Cross-compile.</a></td><td>Tobias Geerinckx-Rice</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/textutils.scm (dos2unix)[arguments]: Use CC-FOR-TARGET.


</td></tr>
<tr class='logheader'><td><span title='2020-10-13 19:01:33 +0200'>2020-10-13</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/textutils.scm?id=e2d33f9e33b817490768fc723761c6a29e34cb9a'>gnu: dos2unix: Update to 7.4.2.</a></td><td>Tobias Geerinckx-Rice</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/textutils.scm (dos2unix): Update to 7.4.2.


</td></tr>
<tr class='logheader'><td><span title='2020-09-24 20:06:41 +0300'>2020-09-24</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/textutils.scm?id=3d0c0ae661ccafcab030f27a77179c772039f682'>gnu: java-rsyntaxtextarea: Don't use unstable tarball.</a></td><td>Efraim Flashner</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/textutils.scm (java-rsyntaxtextarea)[source]: Download
using git-fetch.


</td></tr>
<tr class='logheader'><td><span title='2020-08-13 16:09:41 +0200'>2020-08-13</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/textutils.scm?id=3a176be045c262047892806e3db6335b43d49c1d'>gnu: aha: Cross-compile.</a></td><td>Tobias Geerinckx-Rice</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/textutils.scm (aha)[arguments]: Use CC-FOR-TARGET.


</td></tr>
<tr class='logheader'><td><span title='2020-08-13 16:09:41 +0200'>2020-08-13</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/textutils.scm?id=7d98468cecdf026182c30ced63a44bbbfb361847'>gnu: aha: Update to 0.5.1.</a></td><td>Tobias Geerinckx-Rice</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/textutils.scm (aha): Update to 0.5.1.


</td></tr>
<tr class='logheader'><td><span title='2020-08-12 21:26:40 +0200'>2020-08-12</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/textutils.scm?id=73092df4686074572e79a54946d9b62f495f58a7'>gnu: libgtextutils: Hide default GCC.</a></td><td>Ricardo Wurmus</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/textutils.scm (libgtextutils)[arguments]: Add phase
hide-default-gcc.


</td></tr>