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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
#include "worker.hh"
#include "substitution-goal.hh"
#include "derivation-goal.hh"
#include "local-store.hh"
namespace nix {
void Store::buildPaths(const std::vector<DerivedPath> & reqs, BuildMode buildMode, std::shared_ptr<Store> evalStore)
{
Worker worker(*this, evalStore ? *evalStore : *this);
Goals goals;
for (const auto & br : reqs) {
std::visit(overloaded {
[&](const DerivedPath::Built & bfd) {
goals.insert(worker.makeDerivationGoal(bfd.drvPath, bfd.outputs, buildMode));
},
[&](const DerivedPath::Opaque & bo) {
goals.insert(worker.makePathSubstitutionGoal(bo.path, buildMode == bmRepair ? Repair : NoRepair));
},
}, br.raw());
}
worker.run(goals);
StorePathSet failed;
std::optional<Error> ex;
for (auto & i : goals) {
if (i->ex) {
if (ex)
logError(i->ex->info());
else
ex = i->ex;
}
if (i->exitCode != Goal::ecSuccess) {
if (auto i2 = dynamic_cast<DerivationGoal *>(i.get())) failed.insert(i2->drvPath);
else if (auto i2 = dynamic_cast<PathSubstitutionGoal *>(i.get())) failed.insert(i2->storePath);
}
}
if (failed.size() == 1 && ex) {
ex->status = worker.exitStatus();
throw *ex;
} else if (!failed.empty()) {
if (ex) logError(ex->info());
throw Error(worker.exitStatus(), "build of %s failed", showPaths(failed));
}
}
BuildResult Store::buildDerivation(const StorePath & drvPath, const BasicDerivation & drv,
BuildMode buildMode)
{
Worker worker(*this, *this);
auto goal = worker.makeBasicDerivationGoal(drvPath, drv, {}, buildMode);
BuildResult result;
try {
worker.run(Goals{goal});
result = goal->getResult();
} catch (Error & e) {
result.status = BuildResult::MiscFailure;
result.errorMsg = e.msg();
}
// XXX: Should use `goal->queryPartialDerivationOutputMap()` once it's
// extended to return the full realisation for each output
auto staticDrvOutputs = drv.outputsAndOptPaths(*this);
auto outputHashes = staticOutputHashes(*this, drv);
for (auto & [outputName, staticOutput] : staticDrvOutputs) {
auto outputId = DrvOutput{outputHashes.at(outputName), outputName};
if (staticOutput.second)
result.builtOutputs.insert_or_assign(
outputId,
Realisation{ outputId, *staticOutput.second}
);
if (settings.isExperimentalFeatureEnabled("ca-derivations") && !derivationHasKnownOutputPaths(drv.type())) {
auto realisation = this->queryRealisation(outputId);
if (realisation)
result.builtOutputs.insert_or_assign(
outputId,
*realisation
);
}
}
return result;
}
void Store::ensurePath(const StorePath & path)
{
/* If the path is already valid, we're done. */
if (isValidPath(path)) return;
Worker worker(*this, *this);
GoalPtr goal = worker.makePathSubstitutionGoal(path);
Goals goals = {goal};
worker.run(goals);
if (goal->exitCode != Goal::ecSuccess) {
if (goal->ex) {
goal->ex->status = worker.exitStatus();
throw *goal->ex;
} else
throw Error(worker.exitStatus(), "path '%s' does not exist and cannot be created", printStorePath(path));
}
}
void LocalStore::repairPath(const StorePath & path)
{
Worker worker(*this, *this);
GoalPtr goal = worker.makePathSubstitutionGoal(path, Repair);
Goals goals = {goal};
worker.run(goals);
if (goal->exitCode != Goal::ecSuccess) {
/* Since substituting the path didn't work, if we have a valid
deriver, then rebuild the deriver. */
auto info = queryPathInfo(path);
if (info->deriver && isValidPath(*info->deriver)) {
goals.clear();
goals.insert(worker.makeDerivationGoal(*info->deriver, StringSet(), bmRepair));
worker.run(goals);
} else
throw Error(worker.exitStatus(), "cannot repair path '%s'", printStorePath(path));
}
}
}
|
