forked from lix-project/lix
Improve OutputsSpec
slightly
A few little changes preparing for the rest.
This commit is contained in:
parent
a3ba80357d
commit
a8f45b5e5a
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@ -1,5 +1,6 @@
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#include "globals.hh"
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#include "installables.hh"
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#include "outputs-spec.hh"
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#include "util.hh"
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#include "command.hh"
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#include "attr-path.hh"
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@ -796,7 +797,7 @@ std::vector<std::shared_ptr<Installable>> SourceExprCommand::parseInstallables(
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}
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for (auto & s : ss) {
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auto [prefix, outputsSpec] = parseOutputsSpec(s);
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auto [prefix, outputsSpec] = OutputsSpec::parse(s);
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result.push_back(
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std::make_shared<InstallableAttrPath>(
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state, *this, vFile,
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@ -244,7 +244,7 @@ std::tuple<FlakeRef, std::string, OutputsSpec> parseFlakeRefWithFragmentAndOutpu
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bool allowMissing,
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bool isFlake)
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{
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auto [prefix, outputsSpec] = parseOutputsSpec(url);
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auto [prefix, outputsSpec] = OutputsSpec::parse(url);
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auto [flakeRef, fragment] = parseFlakeRefWithFragment(prefix, baseDir, allowMissing, isFlake);
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return {std::move(flakeRef), fragment, outputsSpec};
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}
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@ -1,3 +1,4 @@
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#include "util.hh"
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#include "outputs-spec.hh"
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#include "nlohmann/json.hpp"
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@ -5,7 +6,7 @@
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namespace nix {
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std::pair<std::string, OutputsSpec> parseOutputsSpec(const std::string & s)
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std::pair<std::string, OutputsSpec> OutputsSpec::parse(std::string s)
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{
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static std::regex regex(R"((.*)\^((\*)|([a-z]+(,[a-z]+)*)))");
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@ -19,18 +20,19 @@ std::pair<std::string, OutputsSpec> parseOutputsSpec(const std::string & s)
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return {match[1], tokenizeString<OutputNames>(match[4].str(), ",")};
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}
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std::string printOutputsSpec(const OutputsSpec & outputsSpec)
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std::string OutputsSpec::to_string() const
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{
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if (std::get_if<DefaultOutputs>(&outputsSpec))
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return "";
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if (std::get_if<AllOutputs>(&outputsSpec))
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return "^*";
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if (auto outputNames = std::get_if<OutputNames>(&outputsSpec))
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return "^" + concatStringsSep(",", *outputNames);
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assert(false);
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return std::visit(overloaded {
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[&](const OutputsSpec::Default &) -> std::string {
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return "";
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},
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[&](const OutputsSpec::All &) -> std::string {
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return "*";
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},
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[&](const OutputsSpec::Names & outputNames) -> std::string {
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return "^" + concatStringsSep(",", outputNames);
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},
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}, raw());
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}
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void to_json(nlohmann::json & json, const OutputsSpec & outputsSpec)
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@ -1,9 +1,8 @@
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#pragma once
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#include <set>
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#include <variant>
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#include "util.hh"
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#include "nlohmann/json_fwd.hpp"
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namespace nix {
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@ -18,13 +17,26 @@ struct DefaultOutputs {
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bool operator < (const DefaultOutputs & _) const { return false; }
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};
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typedef std::variant<DefaultOutputs, AllOutputs, OutputNames> OutputsSpec;
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typedef std::variant<DefaultOutputs, AllOutputs, OutputNames> _OutputsSpecRaw;
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/* Parse a string of the form 'prefix^output1,...outputN' or
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'prefix^*', returning the prefix and the outputs spec. */
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std::pair<std::string, OutputsSpec> parseOutputsSpec(const std::string & s);
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struct OutputsSpec : _OutputsSpecRaw {
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using Raw = _OutputsSpecRaw;
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using Raw::Raw;
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std::string printOutputsSpec(const OutputsSpec & outputsSpec);
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using Names = OutputNames;
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using All = AllOutputs;
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using Default = DefaultOutputs;
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inline const Raw & raw() const {
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return static_cast<const Raw &>(*this);
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}
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/* Parse a string of the form 'prefix^output1,...outputN' or
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'prefix^*', returning the prefix and the outputs spec. */
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static std::pair<std::string, OutputsSpec> parse(std::string s);
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std::string to_string() const;
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};
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void to_json(nlohmann::json &, const OutputsSpec &);
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void from_json(const nlohmann::json &, OutputsSpec &);
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@ -2,7 +2,6 @@
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#include "path.hh"
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#include "derived-path.hh"
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#include "nlohmann/json_fwd.hpp"
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namespace nix {
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@ -4,40 +4,40 @@
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namespace nix {
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TEST(parseOutputsSpec, basic)
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TEST(OutputsSpec_parse, basic)
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{
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{
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auto [prefix, outputsSpec] = parseOutputsSpec("foo");
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auto [prefix, outputsSpec] = OutputsSpec::parse("foo");
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ASSERT_EQ(prefix, "foo");
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ASSERT_TRUE(std::get_if<DefaultOutputs>(&outputsSpec));
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}
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{
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auto [prefix, outputsSpec] = parseOutputsSpec("foo^*");
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auto [prefix, outputsSpec] = OutputsSpec::parse("foo^*");
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ASSERT_EQ(prefix, "foo");
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ASSERT_TRUE(std::get_if<AllOutputs>(&outputsSpec));
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}
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{
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auto [prefix, outputsSpec] = parseOutputsSpec("foo^out");
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auto [prefix, outputsSpec] = OutputsSpec::parse("foo^out");
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ASSERT_EQ(prefix, "foo");
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ASSERT_TRUE(std::get<OutputNames>(outputsSpec) == OutputNames({"out"}));
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}
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{
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auto [prefix, outputsSpec] = parseOutputsSpec("foo^out,bin");
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auto [prefix, outputsSpec] = OutputsSpec::parse("foo^out,bin");
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ASSERT_EQ(prefix, "foo");
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ASSERT_TRUE(std::get<OutputNames>(outputsSpec) == OutputNames({"out", "bin"}));
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}
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{
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auto [prefix, outputsSpec] = parseOutputsSpec("foo^bar^out,bin");
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auto [prefix, outputsSpec] = OutputsSpec::parse("foo^bar^out,bin");
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ASSERT_EQ(prefix, "foo^bar");
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ASSERT_TRUE(std::get<OutputNames>(outputsSpec) == OutputNames({"out", "bin"}));
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}
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{
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auto [prefix, outputsSpec] = parseOutputsSpec("foo^&*()");
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auto [prefix, outputsSpec] = OutputsSpec::parse("foo^&*()");
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ASSERT_EQ(prefix, "foo^&*()");
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ASSERT_TRUE(std::get_if<DefaultOutputs>(&outputsSpec));
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}
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@ -44,7 +44,7 @@ struct ProfileElement
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std::string describe() const
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{
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if (source)
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return fmt("%s#%s%s", source->originalRef, source->attrPath, printOutputsSpec(source->outputs));
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return fmt("%s#%s%s", source->originalRef, source->attrPath, source->outputs.to_string());
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StringSet names;
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for (auto & path : storePaths)
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names.insert(DrvName(path.name()).name);
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@ -553,8 +553,8 @@ struct CmdProfileList : virtual EvalCommand, virtual StoreCommand, MixDefaultPro
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for (size_t i = 0; i < manifest.elements.size(); ++i) {
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auto & element(manifest.elements[i]);
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logger->cout("%d %s %s %s", i,
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element.source ? element.source->originalRef.to_string() + "#" + element.source->attrPath + printOutputsSpec(element.source->outputs) : "-",
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element.source ? element.source->resolvedRef.to_string() + "#" + element.source->attrPath + printOutputsSpec(element.source->outputs) : "-",
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element.source ? element.source->originalRef.to_string() + "#" + element.source->attrPath + element.source->outputs.to_string() : "-",
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element.source ? element.source->resolvedRef.to_string() + "#" + element.source->attrPath + element.source->outputs.to_string() : "-",
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concatStringsSep(" ", store->printStorePathSet(element.storePaths)));
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}
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}
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