#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);

}
ass='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/services/docker.scm?id=ed5e6c7502571e67624637bd6dab3ae651bd5844&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-11-30 01:08:55 +0100'>2021-11-30</span></td><td><a href='/guix/commit/gnu/services/docker.scm?id=892f1b7273d57b25940700877a02618fe826cc08'>services: Accept &lt;inferior-package&gt;s in lieu of &lt;package&gt;s.</a><span class='msg-avail'>...</span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-11-17 23:05:56 +0100'>2021-11-17</span></td><td><a href='/guix/commit/gnu/services/docker.scm?id=4ace6455063297e6de84a9a2477150a6ce9416d8'>services: docker: Add 'environment-variables' configuration field.</a><span class='msg-avail'>...</span></td><td>Alexey Abramov</td></tr>
<tr><td><span title='2021-07-29 11:32:48 -0400'>2021-07-29</span></td><td><a href='/guix/commit/gnu/services/docker.scm?id=a85ec0bf69df9ec3333a214feff54d4e58b15bec'>services: Migrate to &lt;setuid-program&gt;.</a><span class='msg-avail'>...</span></td><td>Brice Waegeneire</td></tr>
<tr><td><span title='2021-05-08 01:04:31 -0400'>2021-05-08</span></td><td><a href='/guix/commit/gnu/services/docker.scm?id=a9a67da573222715ea3152eacdfb5d3840dccd9a'>services: docker: Disable configuration serialization.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-10-17 00:43:24 +0300'>2020-10-17</span></td><td><a href='/guix/commit/gnu/services/docker.scm?id=6a5a477df46a0329cc867c4780b59cdf4340d034'>services: docker: Fix missing containerd-shim binary.</a><span class='msg-avail'>...</span></td><td>Oleg Pykhalov</td></tr>
<tr><td><span title='2020-09-23 23:40:29 +0300'>2020-09-23</span></td><td><a href='/guix/commit/gnu/services/docker.scm?id=cd4bb173e041fa961b05fb101f214d506182db84'>services: docker: Fix configuration.</a><span class='msg-avail'>...</span></td><td>Oleg Pykhalov</td></tr>
<tr><td><span title='2020-09-21 15:04:14 +0300'>2020-09-21</span></td><td><a href='/guix/commit/gnu/services/docker.scm?id=e04b90607ac903359c90c9bad1b67fb7ce2f0eb6'>services: Docker: Fix typo in configuration.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2020-09-21 13:18:25 +0300'>2020-09-21</span></td><td><a href='/guix/commit/gnu/services/docker.scm?id=f0a09310e6ff2ed63770cb585c551ba94ce4a9d0'>services: docker: Fix enable-proxy? option.</a><span class='msg-avail'>...</span></td><td>Jesse Dowell</td></tr>
<tr><td><span title='2020-09-15 01:10:55 +0300'>2020-09-15</span></td><td><a href='/guix/commit/gnu/services/docker.scm?id=f6dfe42129d005662d91e1acb1c75eafe7b9b33e'>services: docker: Fix service definition.</a><span class='msg-avail'>...</span></td><td>Oleg Pykhalov</td></tr>
<tr><td><span title='2020-09-14 23:22:34 +0300'>2020-09-14</span></td><td><a href='/guix/commit/gnu/services/docker.scm?id=a404716d411cf7cd49ff02e3100f0bbf6622d6d5'>services: docker: Fix service definition.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2020-09-14 17:21:16 +0300'>2020-09-14</span></td><td><a href='/guix/commit/gnu/services/docker.scm?id=8422a67dc16af4dd5eb82180463aa7a0b362d5b9'>services: docker: Make docker command available.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2020-08-16 11:07:50 +0200'>2020-08-16</span></td><td><a href='/guix/commit/gnu/services/docker.scm?id=2b68a96422575b14e54c9a7e3d0033f6231a6b4d'>services: docker: Add 'enable-iptables?' argument.</a><span class='msg-avail'>...</span></td><td>Alexey Abramov</td></tr>
<tr><td><span title='2020-06-03 11:31:07 -0400'>2020-06-03</span></td><td><a href='/guix/commit/gnu/services/docker.scm?id=7c9be7b7cb71103d8a382a254e8c7a20ce7adce0'>gnu: services: docker: Add a debug? parameter.</a><span class='msg-avail'>...</span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-04-27 14:14:47 +0200'>2020-04-27</span></td><td><a href='/guix/commit/gnu/services/docker.scm?id=2ef4d273d13faccbc9e11a74cfdbd0a9f4f1c898'>file-systems: mount the PID cgroup filesystem.</a><span class='msg-avail'>...</span></td><td>Jakub Kądziołka</td></tr>
<tr><td><span title='2019-06-07 09:57:19 +0200'>2019-06-07</span></td><td><a href='/guix/commit/gnu/services/docker.scm?id=08814aec6ae75adcd059c5235c90ad26e5d5607e'>services: Add Singularity.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>