forked from lix-project/lix
8d9f7048cd
In particular, this now works: $ nix path-info --eval-store auto --store https://cache.nixos.org nixpkgs#hello Previously this would fail as it would try to upload the hello .drv to cache.nixos.org. Now the .drv is instantiated in the local store, and then we check for the existence of the outputs in cache.nixos.org.
90 lines
2.7 KiB
C++
90 lines
2.7 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 = build(
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getEvalStore(), store,
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dryRun ? Realise::Nothing : 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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[&](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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[&](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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