forked from lix-project/lix
90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
#include "eval.hh"
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#include "command.hh"
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#include "common-args.hh"
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#include "shared.hh"
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#include "store-api.hh"
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#include "local-fs-store.hh"
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#include <nlohmann/json.hpp>
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using namespace nix;
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struct CmdBuild : InstallablesCommand, MixDryRun, MixJSON, MixProfile
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{
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Path outLink = "result";
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BuildMode buildMode = bmNormal;
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CmdBuild()
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{
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addFlag({
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.longName = "out-link",
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.shortName = 'o',
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.description = "Use *path* as prefix for the symlinks to the build results. It defaults to `result`.",
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.labels = {"path"},
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.handler = {&outLink},
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.completer = completePath
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});
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addFlag({
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.longName = "no-link",
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.description = "Do not create symlinks to the build results.",
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.handler = {&outLink, Path("")},
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});
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addFlag({
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.longName = "rebuild",
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.description = "Rebuild an already built package and compare the result to the existing store paths.",
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.handler = {&buildMode, bmCheck},
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});
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}
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std::string description() override
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{
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return "build a derivation or fetch a store path";
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}
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std::string doc() override
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{
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return
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#include "build.md"
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;
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}
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void run(ref<Store> store) override
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{
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auto buildables = Installable::build(
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getEvalStore(), store,
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dryRun ? Realise::Derivation : Realise::Outputs,
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installables, buildMode);
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if (json) logger->cout("%s", derivedPathsWithHintsToJSON(buildables, store).dump());
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if (dryRun) return;
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if (outLink != "")
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if (auto store2 = store.dynamic_pointer_cast<LocalFSStore>())
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for (const auto & [_i, buildable] : enumerate(buildables)) {
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auto i = _i;
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std::visit(overloaded {
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[&](const BuiltPath::Opaque & bo) {
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std::string symlink = outLink;
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if (i) symlink += fmt("-%d", i);
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store2->addPermRoot(bo.path, absPath(symlink));
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},
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[&](const BuiltPath::Built & bfd) {
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for (auto & output : bfd.outputs) {
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std::string symlink = outLink;
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if (i) symlink += fmt("-%d", i);
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if (output.first != "out") symlink += fmt("-%s", output.first);
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store2->addPermRoot(output.second, absPath(symlink));
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}
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},
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}, buildable.raw());
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}
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updateProfile(buildables);
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}
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};
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static auto rCmdBuild = registerCommand<CmdBuild>("build");
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