1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
#pragma once
///@file
#include "eval.hh"
#include "path.hh"
#include <string>
#include <map>
namespace nix {
struct DrvInfo
{
public:
typedef std::map<std::string, std::optional<StorePath>> Outputs;
private:
EvalState * state;
std::string name;
std::string system;
std::optional<std::optional<StorePath>> drvPath;
std::optional<StorePath> outPath;
std::string outputName;
Outputs outputs;
/**
* Set if we get an AssertionError
*/
bool failed = false;
Bindings * attrs = nullptr, * meta = nullptr;
Bindings * getMeta();
bool checkMeta(Value & v);
public:
/**
* path towards the derivation
*/
std::string attrPath;
DrvInfo(EvalState & state) : state(&state) { };
DrvInfo(EvalState & state, std::string attrPath, Bindings * attrs);
DrvInfo(EvalState & state, ref<Store> store, const std::string & drvPathWithOutputs);
std::string queryName();
std::string querySystem();
std::optional<StorePath> queryDrvPath();
StorePath requireDrvPath();
StorePath queryOutPath();
std::string queryOutputName();
/**
* Return the unordered map of output names to (optional) output paths.
* The "outputs to install" are determined by `meta.outputsToInstall`.
*/
Outputs queryOutputs(bool withPaths = true, bool onlyOutputsToInstall = false);
StringSet queryMetaNames();
Value * queryMeta(const std::string & name);
std::string queryMetaString(const std::string & name);
NixInt queryMetaInt(const std::string & name, NixInt def);
NixFloat queryMetaFloat(const std::string & name, NixFloat def);
bool queryMetaBool(const std::string & name, bool def);
void setMeta(const std::string & name, Value * v);
/*
MetaInfo queryMetaInfo(EvalState & state) const;
MetaValue queryMetaInfo(EvalState & state, const string & name) const;
*/
void setName(const std::string & s) { name = s; }
void setDrvPath(StorePath path) { drvPath = {{std::move(path)}}; }
void setOutPath(StorePath path) { outPath = {{std::move(path)}}; }
void setFailed() { failed = true; };
bool hasFailed() { return failed; };
};
#if HAVE_BOEHMGC
typedef std::list<DrvInfo, traceable_allocator<DrvInfo>> DrvInfos;
#else
typedef std::list<DrvInfo> DrvInfos;
#endif
/**
* If value `v` denotes a derivation, return a DrvInfo object
* describing it. Otherwise return nothing.
*/
std::optional<DrvInfo> getDerivation(EvalState & state,
Value & v, bool ignoreAssertionFailures);
void getDerivations(EvalState & state, Value & v, const std::string & pathPrefix,
Bindings & autoArgs, DrvInfos & drvs,
bool ignoreAssertionFailures);
}
|
