206bbb5dc9
Currently only builds by attribute from <nixpkgs> or the specified file, e.g. "nix build hello".
47 lines
942 B
C++
47 lines
942 B
C++
#include "command.hh"
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#include "common-args.hh"
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#include "installables.hh"
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#include "shared.hh"
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#include "store-api.hh"
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using namespace nix;
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struct CmdBuild : StoreCommand, MixDryRun, MixInstallables
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{
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CmdBuild()
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{
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}
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std::string name() override
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{
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return "build";
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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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void run(ref<Store> store) override
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{
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auto elems = evalInstallables(store);
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PathSet pathsToBuild;
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for (auto & elem : elems) {
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if (elem.isDrv)
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pathsToBuild.insert(elem.drvPath);
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else
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pathsToBuild.insert(elem.outPaths.begin(), elem.outPaths.end());
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}
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printMissing(store, pathsToBuild);
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if (dryRun) return;
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store->buildPaths(pathsToBuild);
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}
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};
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static RegisterCommand r1(make_ref<Command, CmdBuild>());
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