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Add operator << for LockFile

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Useful for debugging.
This commit is contained in:
Eelco Dolstra 2019-05-31 20:10:56 +02:00
parent b971e406de
commit 9169046e64
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GPG key ID: 8170B4726D7198DE
1 changed files with 8 additions and 2 deletions
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10
src/libexpr/primops/flake.cc
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@ -121,7 +121,7 @@ nlohmann::json flakeEntryToJson(const LockFile::FlakeEntry & entry)
return json; return json;
} }
void writeLockFile(const LockFile & lockFile, const Path & path) std::ostream & operator <<(std::ostream & stream, const LockFile & lockFile)
{ {
nlohmann::json json; nlohmann::json json;
json["version"] = 1; json["version"] = 1;
@ -133,8 +133,14 @@ void writeLockFile(const LockFile & lockFile, const Path & path)
json["inputs"] = nlohmann::json::object(); json["inputs"] = nlohmann::json::object();
for (auto & x : lockFile.flakeEntries) for (auto & x : lockFile.flakeEntries)
json["inputs"][x.first.to_string()] = flakeEntryToJson(x.second); json["inputs"][x.first.to_string()] = flakeEntryToJson(x.second);
stream << json.dump(4); // '4' = indentation in json file
return stream;
}
void writeLockFile(const LockFile & lockFile, const Path & path)
{
createDirs(dirOf(path)); createDirs(dirOf(path));
writeFile(path, json.dump(4) + "\n"); // '4' = indentation in json file writeFile(path, fmt("%s\n", lockFile));
} }
Path getUserRegistryPath() Path getUserRegistryPath()