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https://github.com/privatevoid-net/nix-super.git
synced 2024-11-10 00:08:07 +02:00
Fix lock file generation
Before: "requires": { "nixpkgs": { "uri": "nixpkgs" } }, After: "requires": { "nixpkgs": { "uri": "github:edolstra/nixpkgs/f10e8a02eb7fa2b4a070f30cf87f4efcc7f3186d" } },
This commit is contained in:
parent
8c4e759efd
commit
3d0e81051f
4 changed files with 42 additions and 35 deletions
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@ -188,13 +188,6 @@ static FlakeRef lookupFlake(EvalState & state, const FlakeRef & flakeRef,
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return flakeRef;
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}
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struct FlakeSourceInfo
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{
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Path storePath;
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std::optional<Hash> rev;
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std::optional<uint64_t> revCount;
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};
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static FlakeSourceInfo fetchFlake(EvalState & state, const FlakeRef flakeRef, bool impureIsAllowed = false)
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{
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FlakeRef fRef = lookupFlake(state, flakeRef,
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@ -226,9 +219,11 @@ static FlakeSourceInfo fetchFlake(EvalState & state, const FlakeRef flakeRef, bo
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if (result.etag->size() != 42 || (*result.etag)[0] != '"' || (*result.etag)[41] != '"')
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throw Error("ETag header '%s' from '%s' is not a Git revision", *result.etag, url);
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FlakeSourceInfo info;
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FlakeSourceInfo info(fRef);
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info.storePath = result.path;
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info.rev = Hash(std::string(*result.etag, 1, result.etag->size() - 2), htSHA1);
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info.flakeRef.rev = info.rev;
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info.flakeRef.ref = {};
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return info;
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}
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@ -237,10 +232,12 @@ static FlakeSourceInfo fetchFlake(EvalState & state, const FlakeRef flakeRef, bo
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else if (auto refData = std::get_if<FlakeRef::IsGit>(&fRef.data)) {
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auto gitInfo = exportGit(state.store, refData->uri, fRef.ref,
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fRef.rev ? fRef.rev->to_string(Base16, false) : "", "source");
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FlakeSourceInfo info;
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FlakeSourceInfo info(fRef);
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info.storePath = gitInfo.storePath;
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info.rev = Hash(gitInfo.rev, htSHA1);
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info.revCount = gitInfo.revCount;
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info.flakeRef.rev = info.rev;
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// FIXME: ensure info.flakeRef.ref is set.
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return info;
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}
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@ -248,10 +245,11 @@ static FlakeSourceInfo fetchFlake(EvalState & state, const FlakeRef flakeRef, bo
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if (!pathExists(refData->path + "/.git"))
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throw Error("flake '%s' does not reference a Git repository", refData->path);
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auto gitInfo = exportGit(state.store, refData->path, {}, "", "source");
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FlakeSourceInfo info;
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FlakeSourceInfo info(fRef);
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info.storePath = gitInfo.storePath;
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info.rev = Hash(gitInfo.rev, htSHA1);
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info.revCount = gitInfo.revCount;
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info.flakeRef.rev = info.rev;
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return info;
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}
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@ -265,24 +263,21 @@ Flake getFlake(EvalState & state, const FlakeRef & flakeRef, bool impureIsAllowe
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debug("got flake source '%s' with revision %s",
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sourceInfo.storePath, sourceInfo.rev.value_or(Hash(htSHA1)).to_string(Base16, false));
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auto flakePath = sourceInfo.storePath;
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state.store->assertStorePath(flakePath);
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state.store->assertStorePath(sourceInfo.storePath);
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if (state.allowedPaths)
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state.allowedPaths->insert(flakePath);
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state.allowedPaths->insert(sourceInfo.storePath);
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Flake flake(flakeRef);
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Flake flake(flakeRef, std::move(sourceInfo));
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if (std::get_if<FlakeRef::IsGitHub>(&flakeRef.data)) {
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if (sourceInfo.rev)
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// FIXME: ehm?
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if (flake.sourceInfo.rev)
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flake.ref = FlakeRef(flakeRef.baseRef().to_string()
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+ "/" + sourceInfo.rev->to_string(Base16, false));
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+ "/" + flake.sourceInfo.rev->to_string(Base16, false));
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}
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flake.path = flakePath;
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flake.revCount = sourceInfo.revCount;
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Value vInfo;
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state.evalFile(flakePath + "/flake.nix", vInfo); // FIXME: symlink attack
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state.evalFile(sourceInfo.storePath + "/flake.nix", vInfo); // FIXME: symlink attack
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state.forceAttrs(vInfo);
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@ -317,7 +312,7 @@ Flake getFlake(EvalState & state, const FlakeRef & flakeRef, bool impureIsAllowe
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} else
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throw Error("flake lacks attribute 'provides'");
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const Path lockFile = flakePath + "/flake.lock"; // FIXME: symlink attack
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Path lockFile = sourceInfo.storePath + "/flake.lock"; // FIXME: symlink attack
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flake.lockFile = readLockFile(lockFile);
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@ -373,7 +368,7 @@ Dependencies resolveFlake(EvalState & state, const FlakeRef & topRef,
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LockFile::FlakeEntry dependenciesToFlakeEntry(const Dependencies & deps)
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{
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LockFile::FlakeEntry entry(deps.flake.ref);
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LockFile::FlakeEntry entry(deps.flake.sourceInfo.flakeRef);
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for (auto & deps : deps.flakeDeps)
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entry.flakeEntries.insert_or_assign(deps.flake.id, dependenciesToFlakeEntry(deps));
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@ -396,7 +391,10 @@ static LockFile makeLockFile(EvalState & evalState, FlakeRef & flakeRef)
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void updateLockFile(EvalState & state, const Path & path)
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{
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FlakeRef flakeRef = FlakeRef("file://" + path); // FIXME: ugly
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// FIXME: don't copy 'path' to the store (especially since we
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// dirty it immediately afterwards).
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FlakeRef flakeRef = FlakeRef(path); // FIXME: ugly
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auto lockFile = makeLockFile(state, flakeRef);
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writeLockFile(lockFile, path + "/flake.lock");
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@ -427,11 +425,12 @@ void callFlake(EvalState & state, const Dependencies & flake, Value & v)
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mkString(*state.allocAttr(v, state.sDescription), flake.flake.description);
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state.store->isValidPath(flake.flake.path);
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mkString(*state.allocAttr(v, state.sOutPath), flake.flake.path, {flake.flake.path});
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auto & path = flake.flake.sourceInfo.storePath;
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state.store->isValidPath(path);
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mkString(*state.allocAttr(v, state.sOutPath), path, {path});
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if (flake.flake.revCount)
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mkInt(*state.allocAttr(v, state.symbols.create("revCount")), *flake.flake.revCount);
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if (flake.flake.sourceInfo.revCount)
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mkInt(*state.allocAttr(v, state.symbols.create("revCount")), *flake.flake.sourceInfo.revCount);
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auto vProvides = state.allocAttr(v, state.symbols.create("provides"));
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mkApp(*vProvides, *flake.flake.vProvides, v);
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@ -37,20 +37,28 @@ std::shared_ptr<FlakeRegistry> readRegistry(const Path &);
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void writeRegistry(const FlakeRegistry &, const Path &);
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struct FlakeSourceInfo
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{
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FlakeRef flakeRef;
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Path storePath;
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std::optional<Hash> rev;
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std::optional<uint64_t> revCount;
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// date
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FlakeSourceInfo(const FlakeRef & flakeRef) : flakeRef(flakeRef) { }
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};
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struct Flake
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{
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FlakeId id;
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FlakeRef ref;
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std::string description;
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Path path;
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std::optional<uint64_t> revCount;
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FlakeSourceInfo sourceInfo;
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std::vector<FlakeRef> requires;
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LockFile lockFile;
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std::map<FlakeAlias, FlakeRef> nonFlakeRequires;
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Value * vProvides; // FIXME: gc
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// date
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// content hash
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Flake(const FlakeRef flakeRef) : ref(flakeRef) {};
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Flake(const FlakeRef & flakeRef, FlakeSourceInfo && sourceInfo)
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: ref(flakeRef), sourceInfo(sourceInfo) {};
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};
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struct NonFlake
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@ -123,7 +123,7 @@ std::string FlakeRef::to_string() const
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string = refData->alias;
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else if (auto refData = std::get_if<FlakeRef::IsGitHub>(&data)) {
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assert(!ref || !rev);
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assert(!(ref && rev));
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string = "github:" + refData->owner + "/" + refData->repo;
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}
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@ -40,13 +40,13 @@ void printFlakeInfo(Flake & flake, bool json) {
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if (json) {
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nlohmann::json j;
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j["id"] = flake.id;
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j["location"] = flake.path;
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j["location"] = flake.sourceInfo.storePath;
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j["description"] = flake.description;
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std::cout << j.dump(4) << std::endl;
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} else {
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std::cout << "ID: " << flake.id << "\n";
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std::cout << "Description: " << flake.description << "\n";
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std::cout << "Location: " << flake.path << "\n";
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std::cout << "Location: " << flake.sourceInfo.storePath << "\n";
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}
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}
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