nix-super/src/libstore/store-dir-config.hh
Eelco Dolstra eab2919119 Use SourcePath in more places
Now that SourcePath uses a SourceAccessor instead of an InputAccessor,
we can use it in function signatures instead of passing a
SourceAccessor and CanonPath separately.
2024-05-06 19:05:42 +02:00

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#pragma once
#include "path.hh"
#include "hash.hh"
#include "content-address.hh"
#include "globals.hh"
#include "config.hh"
#include <map>
#include <string>
#include <variant>
namespace nix {
struct SourcePath;
MakeError(BadStorePath, Error);
struct StoreDirConfig : public Config
{
using Config::Config;
StoreDirConfig() = delete;
virtual ~StoreDirConfig() = default;
const PathSetting storeDir_{this, settings.nixStore,
"store",
R"(
Logical location of the Nix store, usually
`/nix/store`. Note that you can only copy store paths
between stores if they have the same `store` setting.
)"};
const Path storeDir = storeDir_;
// pure methods
StorePath parseStorePath(std::string_view path) const;
std::optional<StorePath> maybeParseStorePath(std::string_view path) const;
std::string printStorePath(const StorePath & path) const;
/**
* Deprecated
*
* \todo remove
*/
StorePathSet parseStorePathSet(const PathSet & paths) const;
PathSet printStorePathSet(const StorePathSet & path) const;
/**
* Display a set of paths in human-readable form (i.e., between quotes
* and separated by commas).
*/
std::string showPaths(const StorePathSet & paths);
/**
* @return true if path is in the Nix store (but not the Nix
* store itself).
*/
bool isInStore(PathView path) const;
/**
* @return true if path is a store path, i.e. a direct child of the
* Nix store.
*/
bool isStorePath(std::string_view path) const;
/**
* Split a path like /nix/store/<hash>-<name>/<bla> into
* /nix/store/<hash>-<name> and /<bla>.
*/
std::pair<StorePath, Path> toStorePath(PathView path) const;
/**
* Constructs a unique store path name.
*/
StorePath makeStorePath(std::string_view type,
std::string_view hash, std::string_view name) const;
StorePath makeStorePath(std::string_view type,
const Hash & hash, std::string_view name) const;
StorePath makeOutputPath(std::string_view id,
const Hash & hash, std::string_view name) const;
StorePath makeFixedOutputPath(std::string_view name, const FixedOutputInfo & info) const;
StorePath makeFixedOutputPathFromCA(std::string_view name, const ContentAddressWithReferences & ca) const;
/**
* Read-only variant of addToStore(). It returns the store
* path for the given file sytem object.
*/
std::pair<StorePath, Hash> computeStorePath(
std::string_view name,
const SourcePath & path,
ContentAddressMethod method = FileIngestionMethod::Recursive,
HashAlgorithm hashAlgo = HashAlgorithm::SHA256,
const StorePathSet & references = {},
PathFilter & filter = defaultPathFilter) const;
};
}