lix/src/libexpr/primops/flake.hh

140 lines
4 KiB
C++
Raw Normal View History

2019-02-12 17:23:11 +00:00
#include "types.hh"
#include "flakeref.hh"
#include <variant>
namespace nix {
2019-04-30 09:03:31 +00:00
static const size_t FLAG_REGISTRY = 0;
static const size_t USER_REGISTRY = 1;
static const size_t GLOBAL_REGISTRY = 2;
struct Value;
class EvalState;
2019-02-12 17:23:11 +00:00
struct FlakeRegistry
{
2019-04-08 17:03:00 +00:00
std::map<FlakeRef, FlakeRef> entries;
2019-02-12 17:23:11 +00:00
};
2019-03-29 15:18:25 +00:00
struct LockFile
{
2019-05-01 15:01:03 +00:00
struct NonFlakeEntry
{
FlakeRef ref;
Hash contentHash;
NonFlakeEntry(const FlakeRef & flakeRef, const Hash & hash) : ref(flakeRef), contentHash(hash) {};
bool operator ==(const NonFlakeEntry & other) const
{
return ref == other.ref && contentHash == other.contentHash;
}
2019-05-01 15:01:03 +00:00
};
2019-03-29 15:18:25 +00:00
struct FlakeEntry
{
FlakeRef ref;
2019-05-01 15:01:03 +00:00
Hash contentHash;
2019-04-16 14:18:47 +00:00
std::map<FlakeRef, FlakeEntry> flakeEntries;
2019-05-01 15:01:03 +00:00
std::map<FlakeAlias, NonFlakeEntry> nonFlakeEntries;
FlakeEntry(const FlakeRef & flakeRef, const Hash & hash) : ref(flakeRef), contentHash(hash) {};
bool operator ==(const FlakeEntry & other) const
{
return
ref == other.ref
&& contentHash == other.contentHash
&& flakeEntries == other.flakeEntries
&& nonFlakeEntries == other.nonFlakeEntries;
}
2019-03-29 15:18:25 +00:00
};
2019-04-16 14:18:47 +00:00
std::map<FlakeRef, FlakeEntry> flakeEntries;
std::map<FlakeAlias, NonFlakeEntry> nonFlakeEntries;
bool operator ==(const LockFile & other) const
{
return
flakeEntries == other.flakeEntries
&& nonFlakeEntries == other.nonFlakeEntries;
}
2019-03-29 15:18:25 +00:00
};
2019-03-21 08:30:16 +00:00
typedef std::vector<std::shared_ptr<FlakeRegistry>> Registries;
2019-03-10 06:05:05 +00:00
Path getUserRegistryPath();
enum HandleLockFile
{ AllPure // Everything is handled 100% purely
, TopRefUsesRegistries // The top FlakeRef uses the registries, apart from that, everything happens 100% purely
, UpdateLockFile // Update the existing lockfile and write it to file
, UseUpdatedLockFile // `UpdateLockFile` without writing to file
, RecreateLockFile // Recreate the lockfile from scratch and write it to file
, UseNewLockFile // `RecreateLockFile` without writing to file
};
void makeFlakeValue(EvalState &, const FlakeRef &, HandleLockFile, Value &);
2019-03-21 08:30:16 +00:00
std::shared_ptr<FlakeRegistry> readRegistry(const Path &);
2019-03-10 06:05:05 +00:00
2019-04-16 12:27:54 +00:00
void writeRegistry(const FlakeRegistry &, const Path &);
struct SourceInfo
{
FlakeRef resolvedRef;
Path storePath;
std::optional<uint64_t> revCount;
// date
SourceInfo(const FlakeRef & resolvRef) : resolvedRef(resolvRef) {};
};
2019-02-21 05:53:01 +00:00
struct Flake
{
FlakeId id;
FlakeRef originalRef;
FlakeRef resolvedRef;
2019-02-21 05:53:01 +00:00
std::string description;
std::optional<uint64_t> revCount;
Path storePath;
2019-05-01 15:01:03 +00:00
Hash hash; // content hash
2019-02-21 05:53:01 +00:00
std::vector<FlakeRef> requires;
2019-03-21 08:30:16 +00:00
std::map<FlakeAlias, FlakeRef> nonFlakeRequires;
2019-02-21 05:53:01 +00:00
Value * vProvides; // FIXME: gc
// date
// content hash
Flake(const FlakeRef & origRef, const SourceInfo & sourceInfo) : originalRef(origRef),
resolvedRef(sourceInfo.resolvedRef), revCount(sourceInfo.revCount), storePath(sourceInfo.storePath) {};
};
struct NonFlake
{
2019-03-21 08:30:16 +00:00
FlakeAlias alias;
FlakeRef originalRef;
FlakeRef resolvedRef;
std::optional<uint64_t> revCount;
Hash hash;
Path storePath;
// date
NonFlake(const FlakeRef & origRef, const SourceInfo & sourceInfo) : originalRef(origRef),
resolvedRef(sourceInfo.resolvedRef), revCount(sourceInfo.revCount), storePath(sourceInfo.storePath) {};
2019-02-21 05:53:01 +00:00
};
2019-04-16 06:21:52 +00:00
std::shared_ptr<FlakeRegistry> getGlobalRegistry();
2019-03-29 15:18:25 +00:00
Flake getFlake(EvalState &, const FlakeRef &, bool impureIsAllowed);
2019-04-19 12:23:35 +00:00
struct ResolvedFlake
{
2019-03-29 15:18:25 +00:00
Flake flake;
std::map<FlakeRef, ResolvedFlake> flakeDeps; // The key in this map, is the originalRef as written in flake.nix
2019-03-29 15:18:25 +00:00
std::vector<NonFlake> nonFlakeDeps;
2019-04-19 12:23:35 +00:00
ResolvedFlake(const Flake & flake) : flake(flake) {}
};
ResolvedFlake resolveFlake(EvalState &, const FlakeRef &, HandleLockFile);
2019-04-16 12:27:54 +00:00
2019-05-01 09:38:48 +00:00
void updateLockFile(EvalState &, const FlakeUri &, bool recreateLockFile);
2019-03-21 08:30:16 +00:00
2019-03-21 08:30:16 +00:00
void gitCloneFlake (std::string flakeUri, EvalState &, Registries, Path);
2019-02-12 17:23:11 +00:00
}