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64519cfd65
SHA-256 outputs of fixed-output derivations. I.e. they now produce
the same store path:
$ nix-store --add x
/nix/store/j2fq9qxvvxgqymvpszhs773ncci45xsj-x
$ nix-store --add-fixed --recursive sha256 x
/nix/store/j2fq9qxvvxgqymvpszhs773ncci45xsj-x
the latter being the same as the path that a derivation
derivation {
name = "x";
outputHashAlgo = "sha256";
outputHashMode = "recursive";
outputHash = "...";
...
};
produces.
This does change the output path for such fixed-output derivations.
Fortunately they are quite rare. The most common use is fetchsvn
calls with SHA-256 hashes. (There are a handful of those is
Nixpkgs, mostly unstable development packages.)
* Documented the computation of store paths (in store-api.cc).
92 lines
1.7 KiB
C++
92 lines
1.7 KiB
C++
#ifndef __REMOTE_STORE_H
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#define __REMOTE_STORE_H
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#include <string>
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#include "store-api.hh"
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namespace nix {
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class Pipe;
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class Pid;
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struct FdSink;
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struct FdSource;
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class RemoteStore : public StoreAPI
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{
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public:
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RemoteStore();
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~RemoteStore();
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/* Implementations of abstract store API methods. */
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bool isValidPath(const Path & path);
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PathSet queryValidPaths();
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Hash queryPathHash(const Path & path);
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void queryReferences(const Path & path, PathSet & references);
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void queryReferrers(const Path & path, PathSet & referrers);
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Path queryDeriver(const Path & path);
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bool hasSubstitutes(const Path & path);
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bool querySubstitutablePathInfo(const Path & path,
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SubstitutablePathInfo & info);
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Path addToStore(const Path & srcPath,
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bool recursive = true, string hashAlgo = "sha256",
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PathFilter & filter = defaultPathFilter);
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Path addTextToStore(const string & name, const string & s,
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const PathSet & references);
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void exportPath(const Path & path, bool sign,
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Sink & sink);
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Path importPath(bool requireSignature, Source & source);
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void buildDerivations(const PathSet & drvPaths);
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void ensurePath(const Path & path);
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void addTempRoot(const Path & path);
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void addIndirectRoot(const Path & path);
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void syncWithGC();
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Roots findRoots();
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void collectGarbage(const GCOptions & options, GCResults & results);
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private:
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AutoCloseFD fdSocket;
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FdSink to;
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FdSource from;
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Pid child;
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unsigned int daemonVersion;
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void processStderr(Sink * sink = 0, Source * source = 0);
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void forkSlave();
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void connectToDaemon();
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void setOptions();
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};
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}
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#endif /* !__REMOTE_STORE_H */
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