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
|
#include "lix/libstore/globals.hh"
#include "lix/libstore/store-api.hh"
#include "lix/libstore/build-result.hh"
#include "lix/libutil/async.hh"
#include <iostream>
using namespace nix;
int main (int argc, char **argv)
{
try {
if (argc != 2) {
std::cerr << "Usage: " << argv[0] << " store/path/to/something.drv\n";
return 1;
}
AsyncIoRoot aio;
std::string drvPath = argv[1];
initLibStore();
auto store = aio.blockOn(nix::openStore());
// build the derivation
std::vector<DerivedPath> paths {
DerivedPath::Built {
.drvPath = makeConstantStorePath(store->parseStorePath(drvPath)),
.outputs = OutputsSpec::Names{"out"}
}
};
const auto results = aio.blockOn(store->buildPathsWithResults(paths, bmNormal, store));
for (const auto & result : results) {
for (const auto & [outputName, realisation] : result.builtOutputs) {
std::cout << store->printStorePath(realisation.outPath) << "\n";
}
}
return 0;
} catch (const std::exception & e) { // NOLINT(lix-foreign-exceptions)
std::cerr << "Error: " << e.what() << "\n";
return 1;
}
}
|