forked from lix-project/lix
111 lines
2.8 KiB
C++
111 lines
2.8 KiB
C++
#pragma once
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#include "types.hh"
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#include "flakeref.hh"
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#include "lockfile.hh"
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namespace nix {
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struct Value;
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class EvalState;
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namespace flake {
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static const size_t FLAG_REGISTRY = 0;
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static const size_t USER_REGISTRY = 1;
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static const size_t GLOBAL_REGISTRY = 2;
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struct FlakeRegistry
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{
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std::map<FlakeRef, FlakeRef> entries;
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};
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typedef std::vector<std::shared_ptr<FlakeRegistry>> Registries;
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std::shared_ptr<FlakeRegistry> readRegistry(const Path &);
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void writeRegistry(const FlakeRegistry &, const Path &);
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Path getUserRegistryPath();
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enum HandleLockFile : unsigned int
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{ AllPure // Everything is handled 100% purely
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, TopRefUsesRegistries // The top FlakeRef uses the registries, apart from that, everything happens 100% purely
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, UpdateLockFile // Update the existing lockfile and write it to file
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, UseUpdatedLockFile // `UpdateLockFile` without writing to file
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, RecreateLockFile // Recreate the lockfile from scratch and write it to file
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, UseNewLockFile // `RecreateLockFile` without writing to file
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};
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struct SourceInfo
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{
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// Immutable flakeref that this source tree was obtained from.
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FlakeRef resolvedRef;
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Path storePath;
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// Number of ancestors of the most recent commit.
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std::optional<uint64_t> revCount;
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// NAR hash of the store path.
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Hash narHash;
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// A stable timestamp of this source tree. For Git and GitHub
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// flakes, the commit date (not author date!) of the most recent
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// commit.
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std::optional<time_t> lastModified;
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SourceInfo(const FlakeRef & resolvRef) : resolvedRef(resolvRef) {};
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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 originalRef;
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std::string description;
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SourceInfo sourceInfo;
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std::vector<FlakeRef> inputs;
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std::map<FlakeAlias, FlakeRef> nonFlakeInputs;
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Value * vOutputs; // FIXME: gc
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unsigned int epoch;
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Flake(const FlakeRef & origRef, const SourceInfo & sourceInfo)
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: originalRef(origRef), sourceInfo(sourceInfo) {};
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};
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struct NonFlake
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{
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FlakeRef originalRef;
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SourceInfo sourceInfo;
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NonFlake(const FlakeRef & origRef, const SourceInfo & sourceInfo)
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: originalRef(origRef), sourceInfo(sourceInfo) {};
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};
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Flake getFlake(EvalState &, const FlakeRef &, bool impureIsAllowed);
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struct ResolvedFlake
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{
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Flake flake;
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LockFile lockFile;
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ResolvedFlake(Flake && flake, LockFile && lockFile)
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: flake(flake), lockFile(lockFile) {}
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};
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ResolvedFlake resolveFlake(EvalState &, const FlakeRef &, HandleLockFile);
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void callFlake(EvalState & state,
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const Flake & flake,
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const FlakeInputs & inputs,
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Value & v);
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void callFlake(EvalState & state,
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const ResolvedFlake & resFlake,
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Value & v);
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void updateLockFile(EvalState &, const FlakeRef & flakeRef, bool recreateLockFile);
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void gitCloneFlake(FlakeRef flakeRef, EvalState &, Registries, const Path & destDir);
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}
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}
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