diff options
Diffstat (limited to 'third_party/nix/src/nix/build.cc')
-rw-r--r-- | third_party/nix/src/nix/build.cc | 110 |
1 files changed, 49 insertions, 61 deletions
diff --git a/third_party/nix/src/nix/build.cc b/third_party/nix/src/nix/build.cc index b329ac38ac2b..e23f63199fa2 100644 --- a/third_party/nix/src/nix/build.cc +++ b/third_party/nix/src/nix/build.cc @@ -5,68 +5,56 @@ using namespace nix; -struct CmdBuild : MixDryRun, InstallablesCommand -{ - Path outLink = "result"; - - CmdBuild() - { - mkFlag() - .longName("out-link") - .shortName('o') - .description("path of the symlink to the build result") - .labels({"path"}) - .dest(&outLink); - - mkFlag() - .longName("no-link") - .description("do not create a symlink to the build result") - .set(&outLink, Path("")); - } - - std::string name() override - { - return "build"; - } - - std::string description() override - { - return "build a derivation or fetch a store path"; - } - - Examples examples() override - { - return { - Example{ - "To build and run GNU Hello from NixOS 17.03:", - "nix build -f channel:nixos-17.03 hello; ./result/bin/hello" - }, - Example{ - "To build the build.x86_64-linux attribute from release.nix:", - "nix build -f release.nix build.x86_64-linux" - }, - }; - } - - void run(ref<Store> store) override - { - auto buildables = build(store, dryRun ? DryRun : Build, installables); - - if (dryRun) return; - - for (size_t i = 0; i < buildables.size(); ++i) { - auto & b(buildables[i]); - - if (outLink != "") - for (auto & output : b.outputs) - if (auto store2 = store.dynamic_pointer_cast<LocalFSStore>()) { - std::string symlink = outLink; - if (i) symlink += fmt("-%d", i); - if (output.first != "out") symlink += fmt("-%s", output.first); - store2->addPermRoot(output.second, absPath(symlink), true); - } - } +struct CmdBuild : MixDryRun, InstallablesCommand { + Path outLink = "result"; + + CmdBuild() { + mkFlag() + .longName("out-link") + .shortName('o') + .description("path of the symlink to the build result") + .labels({"path"}) + .dest(&outLink); + + mkFlag() + .longName("no-link") + .description("do not create a symlink to the build result") + .set(&outLink, Path("")); + } + + std::string name() override { return "build"; } + + std::string description() override { + return "build a derivation or fetch a store path"; + } + + Examples examples() override { + return { + Example{"To build and run GNU Hello from NixOS 17.03:", + "nix build -f channel:nixos-17.03 hello; ./result/bin/hello"}, + Example{"To build the build.x86_64-linux attribute from release.nix:", + "nix build -f release.nix build.x86_64-linux"}, + }; + } + + void run(ref<Store> store) override { + auto buildables = build(store, dryRun ? DryRun : Build, installables); + + if (dryRun) return; + + for (size_t i = 0; i < buildables.size(); ++i) { + auto& b(buildables[i]); + + if (outLink != "") + for (auto& output : b.outputs) + if (auto store2 = store.dynamic_pointer_cast<LocalFSStore>()) { + std::string symlink = outLink; + if (i) symlink += fmt("-%d", i); + if (output.first != "out") symlink += fmt("-%s", output.first); + store2->addPermRoot(output.second, absPath(symlink), true); + } } + } }; static RegisterCommand r1(make_ref<CmdBuild>()); |