forked from lix-project/lix
c67407172d
If 'input.<name>.uri' changes, then the entry in the lockfile for input <name> should be considered stale. Also print some messages when lock file entries are added/updated.
86 lines
1.9 KiB
C++
86 lines
1.9 KiB
C++
#pragma once
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#include "flakeref.hh"
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#include <nlohmann/json.hpp>
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namespace nix {
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class Store;
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}
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namespace nix::flake {
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struct LockedInput;
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/* Lock file information about the dependencies of a flake. */
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struct LockedInputs
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{
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std::map<FlakeId, LockedInput> inputs;
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LockedInputs() {};
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LockedInputs(const nlohmann::json & json);
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nlohmann::json toJson() const;
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/* A lock file is dirty if it contains a dirty flakeref
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(i.e. reference to a dirty working tree). */
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bool isDirty() const;
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};
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/* Lock file information about a flake input. */
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struct LockedInput : LockedInputs
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{
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FlakeRef ref, originalRef;
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Hash narHash;
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LockedInput(const FlakeRef & ref, const FlakeRef & originalRef, const Hash & narHash)
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: ref(ref), originalRef(originalRef), narHash(narHash)
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{
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assert(ref.isImmutable());
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};
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LockedInput(const nlohmann::json & json);
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bool operator ==(const LockedInput & other) const
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{
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return
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ref == other.ref
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&& narHash == other.narHash
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&& inputs == other.inputs;
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}
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nlohmann::json toJson() const;
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Path computeStorePath(Store & store) const;
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};
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/* An entire lock file. Note that this cannot be a FlakeInput for the
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top-level flake, because then the lock file would need to contain
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the hash of the top-level flake, but committing the lock file
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would invalidate that hash. */
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struct LockFile : LockedInputs
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{
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bool operator ==(const LockFile & other) const
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{
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return inputs == other.inputs;
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}
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LockFile() {}
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LockFile(const nlohmann::json & json) : LockedInputs(json) {}
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LockFile(LockedInput && dep)
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{
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inputs = std::move(dep.inputs);
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}
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nlohmann::json toJson() const;
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static LockFile read(const Path & path);
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void write(const Path & path) const;
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};
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std::ostream & operator <<(std::ostream & stream, const LockFile & lockFile);
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}
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