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nix flake check: Check apps

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This commit is contained in:
Eelco Dolstra 2019-06-17 17:59:57 +02:00
parent 3b2ebd029c
commit 9d1207c02c
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GPG key ID: 8170B4726D7198DE
4 changed files with 47 additions and 21 deletions
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14
src/libexpr/primops.cc
View file

@ -51,21 +51,20 @@ void EvalState::realiseContext(const PathSet & context)
PathSet drvs;
for (auto & i : context) {
std::pair<string, string> decoded = decodeContext(i);
Path ctx = decoded.first;
auto [ctx, outputName] = decodeContext(i);
assert(store->isStorePath(ctx));
if (!store->isValidPath(ctx))
throw InvalidPathError(ctx);
if (!decoded.second.empty() && nix::isDerivation(ctx)) {
drvs.insert(decoded.first + "!" + decoded.second);
if (!outputName.empty() && nix::isDerivation(ctx)) {
drvs.insert(ctx + "!" + outputName);
/* Add the output of this derivation to the allowed
paths. */
if (allowedPaths) {
auto drv = store->derivationFromPath(decoded.first);
DerivationOutputs::iterator i = drv.outputs.find(decoded.second);
auto drv = store->derivationFromPath(ctx);
DerivationOutputs::iterator i = drv.outputs.find(outputName);
if (i == drv.outputs.end())
throw Error("derivation '%s' does not have an output named '%s'", decoded.first, decoded.second);
throw Error("derivation '%s' does not have an output named '%s'", ctx, outputName);
allowedPaths->insert(i->second.path);
}
}
@ -80,6 +79,7 @@ void EvalState::realiseContext(const PathSet & context)
PathSet willBuild, willSubstitute, unknown;
unsigned long long downloadSize, narSize;
store->queryMissing(drvs, willBuild, willSubstitute, unknown, downloadSize, narSize);
store->buildPaths(drvs);
}

2
src/nix/command.hh
View file

@ -43,6 +43,8 @@ struct App
PathSet context;
Path program;
// FIXME: add args, sandbox settings, metadata, ...
App(EvalState & state, Value & vApp);
};
struct Installable

29
src/nix/flake.cc
View file

@ -7,6 +7,7 @@
#include "flake/flake.hh"
#include "get-drvs.hh"
#include "store-api.hh"
#include "derivations.hh"
#include <nlohmann/json.hpp>
#include <queue>
@ -301,13 +302,27 @@ struct CmdFlakeCheck : FlakeCommand, MixJSON
// FIXME: check meta attributes
return drvInfo->queryDrvPath();
} catch (Error & e) {
e.addPrefix(fmt("while checking flake output attribute '" ANSI_BOLD "%s" ANSI_NORMAL "':\n", attrPath));
e.addPrefix(fmt("while checking the derivation '" ANSI_BOLD "%s" ANSI_NORMAL "':\n", attrPath));
throw;
}
};
PathSet drvPaths;
auto checkApp = [&](const std::string & attrPath, Value & v) {
try {
auto app = App(*state, v);
for (auto & i : app.context) {
auto [drvPath, outputName] = decodeContext(i);
if (!outputName.empty() && nix::isDerivation(drvPath))
drvPaths.insert(drvPath + "!" + outputName);
}
} catch (Error & e) {
e.addPrefix(fmt("while checking the app definition '" ANSI_BOLD "%s" ANSI_NORMAL "':\n", attrPath));
throw;
}
};
{
Activity act(*logger, lvlInfo, actUnknown, "evaluating flake");
@ -337,9 +352,19 @@ struct CmdFlakeCheck : FlakeCommand, MixJSON
name + "." + (std::string) aCheck.name, *aCheck.value);
}
else if (name == "apps") {
state->forceAttrs(vProvide);
for (auto & aCheck : *vProvide.attrs)
checkApp(
name + "." + (std::string) aCheck.name, *aCheck.value);
}
else if (name == "defaultPackage" || name == "devShell")
checkDerivation(name, vProvide);
else if (name == "defaultApp")
checkApp(name, vProvide);
} catch (Error & e) {
e.addPrefix(fmt("while checking flake output '" ANSI_BOLD "%s" ANSI_NORMAL "':\n", name));
throw;
@ -347,7 +372,7 @@ struct CmdFlakeCheck : FlakeCommand, MixJSON
});
}
if (build) {
if (build && !drvPaths.empty()) {
Activity act(*logger, lvlInfo, actUnknown, "running flake checks");
store->buildPaths(drvPaths);
}

23
src/nix/installables.cc
View file

@ -69,26 +69,25 @@ Buildable Installable::toBuildable()
return std::move(buildables[0]);
}
App Installable::toApp(EvalState & state)
App::App(EvalState & state, Value & vApp)
{
auto v = toValue(state);
state.forceAttrs(vApp);
state.forceAttrs(*v);
auto aType = v->attrs->need(state.sType);
auto aType = vApp.attrs->need(state.sType);
if (state.forceStringNoCtx(*aType.value, *aType.pos) != "app")
throw Error("value does not have type 'app', at %s", *aType.pos);
App app;
auto aProgram = v->attrs->need(state.symbols.create("program"));
app.program = state.forceString(*aProgram.value, app.context, *aProgram.pos);
auto aProgram = vApp.attrs->need(state.symbols.create("program"));
program = state.forceString(*aProgram.value, context, *aProgram.pos);
// FIXME: check that 'program' is in the closure of 'context'.
if (!state.store->isInStore(app.program))
throw Error("app program '%s' is not in the Nix store", app.program);
if (!state.store->isInStore(program))
throw Error("app program '%s' is not in the Nix store", program);
}
return app;
App Installable::toApp(EvalState & state)
{
return App(state, *toValue(state));
}
struct InstallableStorePath : Installable