4202a3bc4e
Useful when we're using a daemon with a chroot store, e.g. $ NIX_DAEMON_SOCKET_PATH=/tmp/chroot/nix/var/nix/daemon-socket/socket nix-daemon --store /tmp/chroot Then the client can now connect with $ nix build --store unix:///tmp/chroot/nix/var/nix/daemon-socket/socket?root=/tmp/chroot nixpkgs#hello
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
#pragma once
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#include "store-api.hh"
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namespace nix {
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struct LocalFSStoreConfig : virtual StoreConfig
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{
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using StoreConfig::StoreConfig;
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// FIXME: the (StoreConfig*) cast works around a bug in gcc that causes
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// it to omit the call to the Setting constructor. Clang works fine
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// either way.
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const PathSetting rootDir{(StoreConfig*) this, true, "",
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"root", "directory prefixed to all other paths"};
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const PathSetting stateDir{(StoreConfig*) this, false,
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rootDir != "" ? rootDir + "/nix/var/nix" : settings.nixStateDir,
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"state", "directory where Nix will store state"};
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const PathSetting logDir{(StoreConfig*) this, false,
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rootDir != "" ? rootDir + "/nix/var/log/nix" : settings.nixLogDir,
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"log", "directory where Nix will store state"};
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const PathSetting realStoreDir{(StoreConfig*) this, false,
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rootDir != "" ? rootDir + "/nix/store" : storeDir, "real",
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"physical path to the Nix store"};
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};
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class LocalFSStore : public virtual LocalFSStoreConfig, public virtual Store
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{
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public:
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const static string drvsLogDir;
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LocalFSStore(const Params & params);
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void narFromPath(const StorePath & path, Sink & sink) override;
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ref<FSAccessor> getFSAccessor() override;
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/* Register a permanent GC root. */
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Path addPermRoot(const StorePath & storePath, const Path & gcRoot);
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virtual Path getRealStoreDir() { return realStoreDir; }
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Path toRealPath(const Path & storePath) override
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{
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assert(isInStore(storePath));
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return getRealStoreDir() + "/" + std::string(storePath, storeDir.size() + 1);
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}
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std::shared_ptr<std::string> getBuildLog(const StorePath & path) override;
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};
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}
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