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-rw-r--r--src/libexpr/flake/lockfile.hh2
-rw-r--r--src/libfetchers/fetchers.hh2
-rw-r--r--src/libstore/dummy-store.cc18
-rw-r--r--src/libstore/http-binary-cache-store.cc24
-rw-r--r--src/libstore/legacy-ssh-store.cc15
-rw-r--r--src/libstore/local-binary-cache-store.cc23
-rw-r--r--src/libstore/remote-store.cc10
-rw-r--r--src/libstore/remote-store.hh3
-rw-r--r--src/libstore/s3-binary-cache-store.cc15
-rw-r--r--src/libstore/ssh-store.cc14
-rw-r--r--src/libstore/store-api.cc55
-rw-r--r--src/libstore/store-api.hh31
-rw-r--r--src/libstore/store.hh9
-rw-r--r--src/nix/describe-stores.cc30
-rw-r--r--src/nix/develop.cc2
-rw-r--r--src/nix/diff-closures.cc2
-rw-r--r--src/nix/installables.hh2
17 files changed, 140 insertions, 117 deletions
diff --git a/src/libexpr/flake/lockfile.hh b/src/libexpr/flake/lockfile.hh
index 5e7cfda3e..9ec8b39c3 100644
--- a/src/libexpr/flake/lockfile.hh
+++ b/src/libexpr/flake/lockfile.hh
@@ -6,7 +6,7 @@
namespace nix {
class Store;
-struct StorePath;
+class StorePath;
}
namespace nix::flake {
diff --git a/src/libfetchers/fetchers.hh b/src/libfetchers/fetchers.hh
index be71b786b..89b1e6e7d 100644
--- a/src/libfetchers/fetchers.hh
+++ b/src/libfetchers/fetchers.hh
@@ -23,7 +23,7 @@ struct InputScheme;
struct Input
{
- friend class InputScheme;
+ friend struct InputScheme;
std::shared_ptr<InputScheme> scheme; // note: can be null
Attrs attrs;
diff --git a/src/libstore/dummy-store.cc b/src/libstore/dummy-store.cc
index 7a5744bc1..a677e201e 100644
--- a/src/libstore/dummy-store.cc
+++ b/src/libstore/dummy-store.cc
@@ -2,17 +2,15 @@
namespace nix {
-static std::string uriScheme = "dummy://";
-
struct DummyStore : public Store
{
- DummyStore(const Params & params)
+ DummyStore(const std::string uri, const Params & params)
: Store(params)
{ }
string getUri() override
{
- return uriScheme;
+ return uriPrefixes()[0] + "://";
}
void queryPathInfoUncached(const StorePath & path,
@@ -21,6 +19,10 @@ struct DummyStore : public Store
callback(nullptr);
}
+ static std::vector<std::string> uriPrefixes() {
+ return {"dummy"};
+ }
+
std::optional<StorePath> queryPathFromHashPart(const std::string & hashPart) override
{ unsupported("queryPathFromHashPart"); }
@@ -48,12 +50,6 @@ struct DummyStore : public Store
{ unsupported("buildDerivation"); }
};
-static RegisterStoreImplementation regStore([](
- const std::string & uri, const Store::Params & params)
- -> std::shared_ptr<Store>
-{
- if (uri != uriScheme) return nullptr;
- return std::make_shared<DummyStore>(params);
-});
+[[maybe_unused]] static RegisterStoreImplementation<DummyStore> regStore();
}
diff --git a/src/libstore/http-binary-cache-store.cc b/src/libstore/http-binary-cache-store.cc
index 1733239fb..6c3a16faf 100644
--- a/src/libstore/http-binary-cache-store.cc
+++ b/src/libstore/http-binary-cache-store.cc
@@ -24,7 +24,8 @@ private:
public:
HttpBinaryCacheStore(
- const Params & params, const Path & _cacheUri)
+ const Path & _cacheUri,
+ const Params & params)
: BinaryCacheStore(params)
, cacheUri(_cacheUri)
{
@@ -55,6 +56,13 @@ public:
}
}
+ static std::vector<std::string> uriPrefixes()
+ {
+ static bool forceHttp = getEnv("_NIX_FORCE_HTTP") == "1";
+ auto ret = std::vector<std::string>({"http", "https"});
+ if (forceHttp) ret.push_back("file");
+ return ret;
+ }
protected:
void maybeDisable()
@@ -162,18 +170,6 @@ protected:
};
-static RegisterStoreImplementation regStore([](
- const std::string & uri, const Store::Params & params)
- -> std::shared_ptr<Store>
-{
- static bool forceHttp = getEnv("_NIX_FORCE_HTTP") == "1";
- if (std::string(uri, 0, 7) != "http://" &&
- std::string(uri, 0, 8) != "https://" &&
- (!forceHttp || std::string(uri, 0, 7) != "file://"))
- return 0;
- auto store = std::make_shared<HttpBinaryCacheStore>(params, uri);
- store->init();
- return store;
-});
+[[maybe_unused]] static RegisterStoreImplementation<HttpBinaryCacheStore> regStore();
}
diff --git a/src/libstore/legacy-ssh-store.cc b/src/libstore/legacy-ssh-store.cc
index dc03313f0..72f28a82d 100644
--- a/src/libstore/legacy-ssh-store.cc
+++ b/src/libstore/legacy-ssh-store.cc
@@ -9,8 +9,6 @@
namespace nix {
-static std::string uriScheme = "ssh://";
-
struct LegacySSHStore : public Store
{
const Setting<int> maxConnections{this, 1, "max-connections", "maximum number of concurrent SSH connections"};
@@ -37,6 +35,9 @@ struct LegacySSHStore : public Store
SSHMaster master;
+ static std::vector<std::string> uriPrefixes() { return {"ssh"}; }
+
+
LegacySSHStore(const string & host, const Params & params)
: Store(params)
, host(host)
@@ -84,7 +85,7 @@ struct LegacySSHStore : public Store
string getUri() override
{
- return uriScheme + host;
+ return uriPrefixes()[0] + "://" + host;
}
void queryPathInfoUncached(const StorePath & path,
@@ -325,12 +326,6 @@ public:
}
};
-static RegisterStoreImplementation regStore([](
- const std::string & uri, const Store::Params & params)
- -> std::shared_ptr<Store>
-{
- if (std::string(uri, 0, uriScheme.size()) != uriScheme) return 0;
- return std::make_shared<LegacySSHStore>(std::string(uri, uriScheme.size()), params);
-});
+[[maybe_unused]] static RegisterStoreImplementation<LegacySSHStore> regStore();
}
diff --git a/src/libstore/local-binary-cache-store.cc b/src/libstore/local-binary-cache-store.cc
index 87d8334d7..752838d3f 100644
--- a/src/libstore/local-binary-cache-store.cc
+++ b/src/libstore/local-binary-cache-store.cc
@@ -13,7 +13,8 @@ private:
public:
LocalBinaryCacheStore(
- const Params & params, const Path & binaryCacheDir)
+ const Path & binaryCacheDir,
+ const Params & params)
: BinaryCacheStore(params)
, binaryCacheDir(binaryCacheDir)
{
@@ -26,6 +27,8 @@ public:
return "file://" + binaryCacheDir;
}
+ static std::vector<std::string> uriPrefixes();
+
protected:
bool fileExists(const std::string & path) override;
@@ -85,16 +88,14 @@ bool LocalBinaryCacheStore::fileExists(const std::string & path)
return pathExists(binaryCacheDir + "/" + path);
}
-static RegisterStoreImplementation regStore([](
- const std::string & uri, const Store::Params & params)
- -> std::shared_ptr<Store>
+std::vector<std::string> LocalBinaryCacheStore::uriPrefixes()
{
- if (getEnv("_NIX_FORCE_HTTP_BINARY_CACHE_STORE") == "1" ||
- std::string(uri, 0, 7) != "file://")
- return 0;
- auto store = std::make_shared<LocalBinaryCacheStore>(params, std::string(uri, 7));
- store->init();
- return store;
-});
+ if (getEnv("_NIX_FORCE_HTTP_BINARY_CACHE_STORE") == "1")
+ return {};
+ else
+ return {"file"};
+}
+
+[[maybe_unused]] static RegisterStoreImplementation<LocalBinaryCacheStore> regStore();
}
diff --git a/src/libstore/remote-store.cc b/src/libstore/remote-store.cc
index dc61951d3..824b6b140 100644
--- a/src/libstore/remote-store.cc
+++ b/src/libstore/remote-store.cc
@@ -982,14 +982,6 @@ std::exception_ptr RemoteStore::Connection::processStderr(Sink * sink, Source *
return nullptr;
}
-static std::string uriScheme = "unix://";
-
-static RegisterStoreImplementation regStore([](
- const std::string & uri, const Store::Params & params)
- -> std::shared_ptr<Store>
-{
- if (std::string(uri, 0, uriScheme.size()) != uriScheme) return 0;
- return std::make_shared<UDSRemoteStore>(std::string(uri, uriScheme.size()), params);
-});
+[[maybe_unused]] static RegisterStoreImplementation<UDSRemoteStore> regStore();
}
diff --git a/src/libstore/remote-store.hh b/src/libstore/remote-store.hh
index 6f05f2197..07cd5daf8 100644
--- a/src/libstore/remote-store.hh
+++ b/src/libstore/remote-store.hh
@@ -150,6 +150,9 @@ public:
std::string getUri() override;
+ static std::vector<std::string> uriPrefixes()
+ { return {"unix"}; }
+
bool sameMachine() override
{ return true; }
diff --git a/src/libstore/s3-binary-cache-store.cc b/src/libstore/s3-binary-cache-store.cc
index a0a446bd3..1bf4d5955 100644
--- a/src/libstore/s3-binary-cache-store.cc
+++ b/src/libstore/s3-binary-cache-store.cc
@@ -193,7 +193,8 @@ struct S3BinaryCacheStoreImpl : public S3BinaryCacheStore
S3Helper s3Helper;
S3BinaryCacheStoreImpl(
- const Params & params, const std::string & bucketName)
+ const std::string & bucketName,
+ const Params & params)
: S3BinaryCacheStore(params)
, bucketName(bucketName)
, s3Helper(profile, region, scheme, endpoint)
@@ -426,17 +427,11 @@ struct S3BinaryCacheStoreImpl : public S3BinaryCacheStore
return paths;
}
+ static std::vector<std::string> uriPrefixes() { return {"s3"}; }
+
};
-static RegisterStoreImplementation regStore([](
- const std::string & uri, const Store::Params & params)
- -> std::shared_ptr<Store>
-{
- if (std::string(uri, 0, 5) != "s3://") return 0;
- auto store = std::make_shared<S3BinaryCacheStoreImpl>(params, std::string(uri, 5));
- store->init();
- return store;
-});
+[[maybe_unused]] static RegisterStoreImplementation<S3BinaryCacheStoreImpl> regStore();
}
diff --git a/src/libstore/ssh-store.cc b/src/libstore/ssh-store.cc
index 6cb97c1f1..02208ee82 100644
--- a/src/libstore/ssh-store.cc
+++ b/src/libstore/ssh-store.cc
@@ -8,8 +8,6 @@
namespace nix {
-static std::string uriScheme = "ssh-ng://";
-
class SSHStore : public RemoteStore
{
public:
@@ -32,9 +30,11 @@ public:
{
}
+ static std::vector<std::string> uriPrefixes() { return {"ssh-ng"}; }
+
std::string getUri() override
{
- return uriScheme + host;
+ return uriPrefixes()[0] + "://" + host;
}
bool sameMachine() override
@@ -76,12 +76,6 @@ ref<RemoteStore::Connection> SSHStore::openConnection()
return conn;
}
-static RegisterStoreImplementation regStore([](
- const std::string & uri, const Store::Params & params)
- -> std::shared_ptr<Store>
-{
- if (std::string(uri, 0, uriScheme.size()) != uriScheme) return 0;
- return std::make_shared<SSHStore>(std::string(uri, uriScheme.size()), params);
-});
+[[maybe_unused]] static RegisterStoreImplementation<SSHStore> regStore();
}
diff --git a/src/libstore/store-api.cc b/src/libstore/store-api.cc
index b3877487c..4a46b5160 100644
--- a/src/libstore/store-api.cc
+++ b/src/libstore/store-api.cc
@@ -1009,6 +1009,11 @@ Derivation Store::readDerivation(const StorePath & drvPath)
}
}
+std::shared_ptr<Config> Store::getConfig()
+{
+ return shared_from_this();
+}
+
}
@@ -1019,9 +1024,6 @@ Derivation Store::readDerivation(const StorePath & drvPath)
namespace nix {
-
-RegisterStoreImplementation::Implementations * RegisterStoreImplementation::implementations = 0;
-
/* Split URI into protocol+hierarchy part and its parameter set. */
std::pair<std::string, Store::Params> splitUriAndParams(const std::string & uri_)
{
@@ -1035,24 +1037,6 @@ std::pair<std::string, Store::Params> splitUriAndParams(const std::string & uri_
return {uri, params};
}
-ref<Store> openStore(const std::string & uri_,
- const Store::Params & extraParams)
-{
- auto [uri, uriParams] = splitUriAndParams(uri_);
- auto params = extraParams;
- params.insert(uriParams.begin(), uriParams.end());
-
- for (auto fun : *RegisterStoreImplementation::implementations) {
- auto store = fun(uri, params);
- if (store) {
- store->warnUnknownSettings();
- return ref<Store>(store);
- }
- }
-
- throw Error("don't know how to open Nix store '%s'", uri);
-}
-
static bool isNonUriPath(const std::string & spec) {
return
// is not a URL
@@ -1080,10 +1064,7 @@ StoreType getStoreType(const std::string & uri, const std::string & stateDir)
}
}
-
-static RegisterStoreImplementation regStore([](
- const std::string & uri, const Store::Params & params)
- -> std::shared_ptr<Store>
+std::shared_ptr<Store> openFromNonUri(const std::string & uri, const Store::Params & params)
{
switch (getStoreType(uri, get(params, "state").value_or(settings.nixStateDir))) {
case tDaemon:
@@ -1098,8 +1079,30 @@ static RegisterStoreImplementation regStore([](
default:
return nullptr;
}
-});
+}
+
+ref<Store> openStore(const std::string & uri_,
+ const Store::Params & extraParams)
+{
+ auto [uri, uriParams] = splitUriAndParams(uri_);
+ auto params = extraParams;
+ params.insert(uriParams.begin(), uriParams.end());
+
+ if (auto store = openFromNonUri(uri, params)) {
+ store->warnUnknownSettings();
+ return ref<Store>(store);
+ }
+
+ for (auto implem : *implementations) {
+ auto store = implem.open(uri, params);
+ if (store) {
+ store->warnUnknownSettings();
+ return ref<Store>(store);
+ }
+ }
+ throw Error("don't know how to open Nix store '%s'", uri);
+}
std::list<ref<Store>> getDefaultSubstituters()
{
diff --git a/src/libstore/store-api.hh b/src/libstore/store-api.hh
index 8b42aa6d2..28365542d 100644
--- a/src/libstore/store-api.hh
+++ b/src/libstore/store-api.hh
@@ -33,6 +33,7 @@ MakeError(SubstituteGone, Error);
MakeError(SubstituterDisabled, Error);
MakeError(BadStorePath, Error);
+MakeError(InvalidStoreURI, Error);
class FSAccessor;
class NarInfoDiskCache;
@@ -199,6 +200,8 @@ protected:
Store(const Params & params);
+ std::shared_ptr<Config> getConfig();
+
public:
virtual ~Store() { }
@@ -744,25 +747,31 @@ StoreType getStoreType(const std::string & uri = settings.storeUri.get(),
‘substituters’ option and various legacy options. */
std::list<ref<Store>> getDefaultSubstituters();
+struct StoreFactory
+{
+ std::vector<std::string> uriPrefixes;
+ std::function<std::shared_ptr<Store> (const std::string & uri, const Store::Params & params)> open;
+};
+typedef std::vector<StoreFactory> Implementations;
+static Implementations * implementations = new Implementations;
-/* Store implementation registration. */
-typedef std::function<std::shared_ptr<Store>(
- const std::string & uri, const Store::Params & params)> OpenStore;
-
+template<typename T>
struct RegisterStoreImplementation
{
- typedef std::vector<OpenStore> Implementations;
- static Implementations * implementations;
-
- RegisterStoreImplementation(OpenStore fun)
+ RegisterStoreImplementation()
{
- if (!implementations) implementations = new Implementations;
- implementations->push_back(fun);
+ StoreFactory factory{
+ .uriPrefixes = T::uriPrefixes(),
+ .open =
+ ([](const std::string & uri, const Store::Params & params)
+ -> std::shared_ptr<Store>
+ { return std::make_shared<T>(uri, params); })
+ };
+ implementations->push_back(factory);
}
};
-
/* Display a set of paths in human-readable form (i.e., between quotes
and separated by commas). */
string showPaths(const PathSet & paths);
diff --git a/src/libstore/store.hh b/src/libstore/store.hh
new file mode 100644
index 000000000..bc73963f3
--- /dev/null
+++ b/src/libstore/store.hh
@@ -0,0 +1,9 @@
+#pragma once
+
+namespace nix {
+
+template<typename T> class BasicStore;
+class StoreConfig;
+typedef BasicStore<StoreConfig> Store;
+
+}
diff --git a/src/nix/describe-stores.cc b/src/nix/describe-stores.cc
new file mode 100644
index 000000000..d84378316
--- /dev/null
+++ b/src/nix/describe-stores.cc
@@ -0,0 +1,30 @@
+#include "command.hh"
+#include "common-args.hh"
+#include "shared.hh"
+#include "store-api.hh"
+
+#include <nlohmann/json.hpp>
+
+using namespace nix;
+
+struct CmdDescribeStores : Command, MixJSON
+{
+ std::string description() override
+ {
+ return "show registered store types and their available options";
+ }
+
+ Category category() override { return catUtility; }
+
+ void run() override
+ {
+
+ if (json) {
+ auto availableStores = *implementations;
+ } else {
+ throw Error("Only json is available for describe-stores");
+ }
+ }
+};
+
+static auto r1 = registerCommand<CmdDescribeStores>("describe-stores");
diff --git a/src/nix/develop.cc b/src/nix/develop.cc
index a2ce9c8c1..f29fa71d2 100644
--- a/src/nix/develop.cc
+++ b/src/nix/develop.cc
@@ -392,7 +392,7 @@ struct CmdDevelop : Common, MixEnvironment
auto bashInstallable = std::make_shared<InstallableFlake>(
state,
- std::move(installable->nixpkgsFlakeRef()),
+ installable->nixpkgsFlakeRef(),
Strings{"bashInteractive"},
Strings{"legacyPackages." + settings.thisSystem.get() + "."},
lockFlags);
diff --git a/src/nix/diff-closures.cc b/src/nix/diff-closures.cc
index 4199dae0f..0dc99d05e 100644
--- a/src/nix/diff-closures.cc
+++ b/src/nix/diff-closures.cc
@@ -81,7 +81,7 @@ void printClosureDiff(
auto beforeSize = totalSize(beforeVersions);
auto afterSize = totalSize(afterVersions);
auto sizeDelta = (int64_t) afterSize - (int64_t) beforeSize;
- auto showDelta = abs(sizeDelta) >= 8 * 1024;
+ auto showDelta = std::abs(sizeDelta) >= 8 * 1024;
std::set<std::string> removed, unchanged;
for (auto & [version, _] : beforeVersions)
diff --git a/src/nix/installables.hh b/src/nix/installables.hh
index 41c75a4ed..c7c2f8981 100644
--- a/src/nix/installables.hh
+++ b/src/nix/installables.hh
@@ -69,7 +69,7 @@ struct Installable
virtual FlakeRef nixpkgsFlakeRef() const
{
- return std::move(FlakeRef::fromAttrs({{"type","indirect"}, {"id", "nixpkgs"}}));
+ return FlakeRef::fromAttrs({{"type","indirect"}, {"id", "nixpkgs"}});
}
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 03:19:10 +0000