7bd9898d5c
This is useful when the program name doesn't match the package name (e.g. ripgrep vs rg). Fixes #4498.
60 lines
1.7 KiB
C++
60 lines
1.7 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);
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auto type = cursor->getAttr("type")->getString();
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auto checkProgram = [&](const Path & program)
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{
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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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};
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if (type == "app") {
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auto [program, context] = cursor->getAttr("program")->getStringWithContext();
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checkProgram(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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auto aMeta = cursor->maybeGetAttr("meta");
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auto aMainProgram = aMeta ? aMeta->maybeGetAttr("mainProgram") : nullptr;
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auto mainProgram =
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aMainProgram
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? aMainProgram->getString()
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: DrvName(name).name;
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auto program = outPath + "/bin/" + mainProgram;
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checkProgram(program);
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return App {
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.context = { { drvPath, {outputName} } },
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.program = program,
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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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