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26cf0c674f
'nix run' will try to run $out/bin/<name>, where <name> is the derivation name (excluding the version). This often works well: $ nix run nixpkgs#hello Hello, world! $ nix run nix -- --version nix (Nix) 2.4pre20200626_adf2fbb $ nix run patchelf -- --version patchelf 0.11.20200623.e61654b $ nix run nixpkgs#firefox -- --version Mozilla Firefox 77.0.1 $ nix run nixpkgs#gimp -- --version GNU Image Manipulation Program version 2.10.14 though not always: $ nix run nixpkgs#git error: unable to execute '/nix/store/kp7wp760l4gryq9s36x481b2x4rfklcy-git-2.25.4/bin/git-minimal': No such file or directory
46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
#include "installables.hh"
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#include "store-api.hh"
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#include "eval-inline.hh"
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#include "eval-cache.hh"
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#include "names.hh"
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namespace nix {
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App Installable::toApp(EvalState & state)
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{
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auto [cursor, attrPath] = getCursor(state, true);
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auto type = cursor->getAttr("type")->getString();
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if (type == "app") {
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auto [program, context] = cursor->getAttr("program")->getStringWithContext();
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if (!state.store->isInStore(program))
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throw Error("app program '%s' is not in the Nix store", program);
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std::vector<StorePathWithOutputs> context2;
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for (auto & [path, name] : context)
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context2.push_back({state.store->parseStorePath(path), {name}});
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return App {
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.context = std::move(context2),
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.program = program,
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};
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}
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else if (type == "derivation") {
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auto drvPath = cursor->forceDerivation();
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auto outPath = cursor->getAttr(state.sOutPath)->getString();
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auto outputName = cursor->getAttr(state.sOutputName)->getString();
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auto name = cursor->getAttr(state.sName)->getString();
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return App {
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.context = { { drvPath, {outputName} } },
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.program = outPath + "/bin/" + DrvName(name).name,
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};
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}
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else
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throw Error("attribute '%s' has unsupported type '%s'", attrPath, type);
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}
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}
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