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#include "path-with-outputs.hh"
#include "store-api.hh"
#include <regex>
namespace nix {
std::string StorePathWithOutputs::to_string(const Store & store) const
{
return outputs.empty()
? store.printStorePath(path)
: store.printStorePath(path) + "!" + concatStringsSep(",", outputs);
}
DerivedPath StorePathWithOutputs::toDerivedPath() const
{
if (!outputs.empty()) {
return DerivedPath::Built { path, OutputsSpec::Names { outputs } };
} else if (path.isDerivation()) {
assert(outputs.empty());
return DerivedPath::Built { path, OutputsSpec::All { } };
} else {
return DerivedPath::Opaque { path };
}
}
std::vector<DerivedPath> toDerivedPaths(const std::vector<StorePathWithOutputs> ss)
{
std::vector<DerivedPath> reqs;
for (auto & s : ss) reqs.push_back(s.toDerivedPath());
return reqs;
}
std::variant<StorePathWithOutputs, StorePath> StorePathWithOutputs::tryFromDerivedPath(const DerivedPath & p)
{
return std::visit(overloaded {
[&](const DerivedPath::Opaque & bo) -> std::variant<StorePathWithOutputs, StorePath> {
if (bo.path.isDerivation()) {
// drv path gets interpreted as "build", not "get drv file itself"
return bo.path;
}
return StorePathWithOutputs { bo.path };
},
[&](const DerivedPath::Built & bfd) -> std::variant<StorePathWithOutputs, StorePath> {
return StorePathWithOutputs {
.path = bfd.drvPath,
// Use legacy encoding of wildcard as empty set
.outputs = std::visit(overloaded {
[&](const OutputsSpec::All &) -> StringSet {
return {};
},
[&](const OutputsSpec::Names & outputs) {
return static_cast<StringSet>(outputs);
},
}, bfd.outputs.raw()),
};
},
}, p.raw());
}
std::pair<std::string_view, StringSet> parsePathWithOutputs(std::string_view s)
{
size_t n = s.find("!");
return n == s.npos
? std::make_pair(s, std::set<std::string>())
: std::make_pair(s.substr(0, n),
tokenizeString<std::set<std::string>>(s.substr(n + 1), ","));
}
StorePathWithOutputs parsePathWithOutputs(const Store & store, std::string_view pathWithOutputs)
{
auto [path, outputs] = parsePathWithOutputs(pathWithOutputs);
return StorePathWithOutputs { store.parseStorePath(path), std::move(outputs) };
}
StorePathWithOutputs followLinksToStorePathWithOutputs(const Store & store, std::string_view pathWithOutputs)
{
auto [path, outputs] = parsePathWithOutputs(pathWithOutputs);
return StorePathWithOutputs { store.followLinksToStorePath(path), std::move(outputs) };
}
}
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