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Use the lock file

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This commit is contained in:
Eelco Dolstra 2019-04-16 16:18:47 +02:00
parent 3c28cb1b8f
commit 260527a90c
2 changed files with 15 additions and 10 deletions
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20
src/libexpr/primops/flake.cc
View file

@ -106,7 +106,7 @@ nlohmann::json flakeEntryToJson(const LockFile::FlakeEntry & entry)
for (auto & x : entry.nonFlakeEntries) for (auto & x : entry.nonFlakeEntries)
json["nonFlakeRequires"][x.first]["uri"] = x.second.to_string(); json["nonFlakeRequires"][x.first]["uri"] = x.second.to_string();
for (auto & x : entry.flakeEntries) for (auto & x : entry.flakeEntries)
json["requires"][x.first] = flakeEntryToJson(x.second); json["requires"][x.first.to_string()] = flakeEntryToJson(x.second);
return json; return json;
} }
@ -119,7 +119,7 @@ void writeLockFile(const LockFile & lockFile, const Path & path)
json["nonFlakeRequires"][x.first]["uri"] = x.second.to_string(); json["nonFlakeRequires"][x.first]["uri"] = x.second.to_string();
json["requires"] = nlohmann::json::object(); json["requires"] = nlohmann::json::object();
for (auto & x : lockFile.flakeEntries) for (auto & x : lockFile.flakeEntries)
json["requires"][x.first] = flakeEntryToJson(x.second); json["requires"][x.first.to_string()] = flakeEntryToJson(x.second);
createDirs(dirOf(path)); createDirs(dirOf(path));
writeFile(path, json.dump(4)); // '4' = indentation in json file writeFile(path, json.dump(4)); // '4' = indentation in json file
} }
@ -312,10 +312,6 @@ Flake getFlake(EvalState & state, const FlakeRef & flakeRef, bool impureIsAllowe
} else } else
throw Error("flake lacks attribute 'provides'"); throw Error("flake lacks attribute 'provides'");
Path lockFile = sourceInfo.storePath + "/flake.lock"; // FIXME: symlink attack
flake.lockFile = readLockFile(lockFile);
return flake; return flake;
} }
@ -355,13 +351,23 @@ Dependencies resolveFlake(EvalState & state, const FlakeRef & topRef,
{ {
Flake flake = getFlake(state, topRef, Flake flake = getFlake(state, topRef,
registryAccess == AllowRegistry || (registryAccess == AllowRegistryAtTop && isTopFlake)); registryAccess == AllowRegistry || (registryAccess == AllowRegistryAtTop && isTopFlake));
LockFile lockFile;
if (isTopFlake)
lockFile = readLockFile(flake.sourceInfo.storePath + "/flake.lock"); // FIXME: symlink attack
Dependencies deps(flake); Dependencies deps(flake);
for (auto & nonFlakeInfo : flake.nonFlakeRequires) for (auto & nonFlakeInfo : flake.nonFlakeRequires)
deps.nonFlakeDeps.push_back(getNonFlake(state, nonFlakeInfo.second, nonFlakeInfo.first)); deps.nonFlakeDeps.push_back(getNonFlake(state, nonFlakeInfo.second, nonFlakeInfo.first));
for (auto & newFlakeRef : flake.requires) for (auto newFlakeRef : flake.requires) {
auto i = lockFile.flakeEntries.find(newFlakeRef);
if (i != lockFile.flakeEntries.end()) newFlakeRef = i->second.ref;
// FIXME: propagate lockFile downwards
deps.flakeDeps.push_back(resolveFlake(state, newFlakeRef, registryAccess, false)); deps.flakeDeps.push_back(resolveFlake(state, newFlakeRef, registryAccess, false));
}
return deps; return deps;
} }

5
src/libexpr/primops/flake.hh
View file

@ -18,12 +18,12 @@ struct LockFile
struct FlakeEntry struct FlakeEntry
{ {
FlakeRef ref; FlakeRef ref;
std::map<FlakeId, FlakeEntry> flakeEntries; std::map<FlakeRef, FlakeEntry> flakeEntries;
std::map<FlakeId, FlakeRef> nonFlakeEntries; std::map<FlakeId, FlakeRef> nonFlakeEntries;
FlakeEntry(const FlakeRef & flakeRef) : ref(flakeRef) {}; FlakeEntry(const FlakeRef & flakeRef) : ref(flakeRef) {};
}; };
std::map<FlakeId, FlakeEntry> flakeEntries; std::map<FlakeRef, FlakeEntry> flakeEntries;
std::map<FlakeId, FlakeRef> nonFlakeEntries; std::map<FlakeId, FlakeRef> nonFlakeEntries;
}; };
@ -54,7 +54,6 @@ struct Flake
std::string description; std::string description;
FlakeSourceInfo sourceInfo; FlakeSourceInfo sourceInfo;
std::vector<FlakeRef> requires; std::vector<FlakeRef> requires;
LockFile lockFile;
std::map<FlakeAlias, FlakeRef> nonFlakeRequires; std::map<FlakeAlias, FlakeRef> nonFlakeRequires;
Value * vProvides; // FIXME: gc Value * vProvides; // FIXME: gc
Flake(const FlakeRef & flakeRef, FlakeSourceInfo && sourceInfo) Flake(const FlakeRef & flakeRef, FlakeSourceInfo && sourceInfo)