forked from lix-project/lix
nix-store -r: do substitutions in parallel
I.e. when multiple non-derivation arguments are passed to ‘nix-store -r’ to be substituted, do them in parallel.
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parent
42f5a2fc29
commit
1aba0bf0fa
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@ -53,7 +53,7 @@ static void prim_import(EvalState & state, Value * * args, Value & v)
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try {
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try {
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/* !!! If using a substitute, we only need to fetch
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/* !!! If using a substitute, we only need to fetch
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the selected output of this derivation. */
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the selected output of this derivation. */
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store->buildDerivations(singleton<PathSet>(ctx));
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store->buildPaths(singleton<PathSet>(ctx));
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} catch (Error & e) {
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} catch (Error & e) {
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throw ImportError(e.msg());
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throw ImportError(e.msg());
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}
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}
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@ -2275,6 +2275,8 @@ public:
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/* Callback used by the worker to write to the log. */
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/* Callback used by the worker to write to the log. */
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void handleChildOutput(int fd, const string & data);
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void handleChildOutput(int fd, const string & data);
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void handleEOF(int fd);
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void handleEOF(int fd);
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Path getStorePath() { return storePath; }
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};
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};
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@ -2938,7 +2940,7 @@ unsigned int Worker::exitStatus()
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//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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void LocalStore::buildDerivations(const PathSet & drvPaths)
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void LocalStore::buildPaths(const PathSet & drvPaths)
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{
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{
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startNest(nest, lvlDebug,
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startNest(nest, lvlDebug,
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format("building %1%") % showPaths(drvPaths));
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format("building %1%") % showPaths(drvPaths));
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@ -2947,7 +2949,10 @@ void LocalStore::buildDerivations(const PathSet & drvPaths)
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Goals goals;
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Goals goals;
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foreach (PathSet::const_iterator, i, drvPaths)
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foreach (PathSet::const_iterator, i, drvPaths)
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goals.insert(worker.makeDerivationGoal(*i));
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if (isDerivation(*i))
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goals.insert(worker.makeDerivationGoal(*i));
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else
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goals.insert(worker.makeSubstitutionGoal(*i));
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worker.run(goals);
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worker.run(goals);
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@ -2955,8 +2960,8 @@ void LocalStore::buildDerivations(const PathSet & drvPaths)
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foreach (Goals::iterator, i, goals)
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foreach (Goals::iterator, i, goals)
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if ((*i)->getExitCode() == Goal::ecFailed) {
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if ((*i)->getExitCode() == Goal::ecFailed) {
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DerivationGoal * i2 = dynamic_cast<DerivationGoal *>(i->get());
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DerivationGoal * i2 = dynamic_cast<DerivationGoal *>(i->get());
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assert(i2);
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if (i2) failed.insert(i2->getDrvPath());
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failed.insert(i2->getDrvPath());
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else failed.insert(dynamic_cast<SubstitutionGoal *>(i->get())->getStorePath());
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}
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}
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if (!failed.empty())
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if (!failed.empty())
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@ -150,7 +150,7 @@ public:
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Paths importPaths(bool requireSignature, Source & source);
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Paths importPaths(bool requireSignature, Source & source);
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void buildDerivations(const PathSet & drvPaths);
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void buildPaths(const PathSet & paths);
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void ensurePath(const Path & path);
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void ensurePath(const Path & path);
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@ -397,10 +397,10 @@ Paths RemoteStore::importPaths(bool requireSignature, Source & source)
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}
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}
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void RemoteStore::buildDerivations(const PathSet & drvPaths)
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void RemoteStore::buildPaths(const PathSet & drvPaths)
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{
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{
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openConnection();
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openConnection();
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writeInt(wopBuildDerivations, to);
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writeInt(wopBuildPaths, to);
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writeStrings(drvPaths, to);
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writeStrings(drvPaths, to);
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processStderr();
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processStderr();
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readInt(from);
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readInt(from);
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@ -60,7 +60,7 @@ public:
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Paths importPaths(bool requireSignature, Source & source);
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Paths importPaths(bool requireSignature, Source & source);
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void buildDerivations(const PathSet & drvPaths);
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void buildPaths(const PathSet & paths);
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void ensurePath(const Path & path);
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void ensurePath(const Path & path);
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@ -172,13 +172,15 @@ public:
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the Nix store. */
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the Nix store. */
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virtual Paths importPaths(bool requireSignature, Source & source) = 0;
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virtual Paths importPaths(bool requireSignature, Source & source) = 0;
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/* Ensure that the output paths of the derivation are valid. If
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/* For each path, if it's a derivation, build it. Building a
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derivation means ensuring that the output paths are valid. If
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they are already valid, this is a no-op. Otherwise, validity
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they are already valid, this is a no-op. Otherwise, validity
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can be reached in two ways. First, if the output paths is
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can be reached in two ways. First, if the output paths is
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substitutable, then build the path that way. Second, the
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substitutable, then build the path that way. Second, the
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output paths can be created by running the builder, after
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output paths can be created by running the builder, after
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recursively building any sub-derivations. */
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recursively building any sub-derivations. For inputs that are
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virtual void buildDerivations(const PathSet & drvPaths) = 0;
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not derivations, substitute them. */
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virtual void buildPaths(const PathSet & paths) = 0;
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/* Ensure that a path is valid. If it is not currently valid, it
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/* Ensure that a path is valid. If it is not currently valid, it
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may be made valid by running a substitute (if defined for the
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may be made valid by running a substitute (if defined for the
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@ -22,7 +22,7 @@ typedef enum {
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wopQueryReferrers = 6,
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wopQueryReferrers = 6,
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wopAddToStore = 7,
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wopAddToStore = 7,
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wopAddTextToStore = 8,
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wopAddTextToStore = 8,
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wopBuildDerivations = 9,
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wopBuildPaths = 9,
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wopEnsurePath = 10,
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wopEnsurePath = 10,
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wopAddTempRoot = 11,
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wopAddTempRoot = 11,
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wopAddIndirectRoot = 12,
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wopAddIndirectRoot = 12,
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@ -695,7 +695,7 @@ static void opSet(Globals & globals,
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PathSet paths = singleton<PathSet>(drv.queryDrvPath(globals.state));
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PathSet paths = singleton<PathSet>(drv.queryDrvPath(globals.state));
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printMissing(*store, paths);
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printMissing(*store, paths);
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if (globals.dryRun) return;
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if (globals.dryRun) return;
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store->buildDerivations(paths);
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store->buildPaths(paths);
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}
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}
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else {
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else {
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printMissing(*store, singleton<PathSet>(drv.queryOutPath(globals.state)));
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printMissing(*store, singleton<PathSet>(drv.queryOutPath(globals.state)));
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@ -45,7 +45,7 @@ bool createUserEnv(EvalState & state, DrvInfos & elems,
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drvsToBuild.insert(i->queryDrvPath(state));
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drvsToBuild.insert(i->queryDrvPath(state));
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debug(format("building user environment dependencies"));
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debug(format("building user environment dependencies"));
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store->buildDerivations(drvsToBuild);
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store->buildPaths(drvsToBuild);
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/* Construct the whole top level derivation. */
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/* Construct the whole top level derivation. */
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PathSet references;
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PathSet references;
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@ -132,7 +132,7 @@ bool createUserEnv(EvalState & state, DrvInfos & elems,
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/* Realise the resulting store expression. */
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/* Realise the resulting store expression. */
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debug("building user environment");
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debug("building user environment");
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store->buildDerivations(singleton<PathSet>(topLevelDrv.queryDrvPath(state)));
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store->buildPaths(singleton<PathSet>(topLevelDrv.queryDrvPath(state)));
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/* Switch the current user environment to the output path. */
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/* Switch the current user environment to the output path. */
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PathLocks lock;
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PathLocks lock;
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@ -62,7 +62,7 @@ static Path useDeriver(Path path)
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static PathSet realisePath(const Path & path)
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static PathSet realisePath(const Path & path)
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{
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{
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if (isDerivation(path)) {
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if (isDerivation(path)) {
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store->buildDerivations(singleton<PathSet>(path));
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store->buildPaths(singleton<PathSet>(path));
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Derivation drv = derivationFromPath(*store, path);
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Derivation drv = derivationFromPath(*store, path);
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PathSet outputs;
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PathSet outputs;
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@ -101,13 +101,11 @@ static void opRealise(Strings opFlags, Strings opArgs)
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if (dryRun) return;
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if (dryRun) return;
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/* Build all derivations at the same time to exploit parallelism. */
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/* Build all paths at the same time to exploit parallelism. */
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PathSet drvPaths;
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PathSet paths(opArgs.begin(), opArgs.end());
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foreach (Strings::iterator, i, opArgs)
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store->buildPaths(paths);
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if (isDerivation(*i)) drvPaths.insert(*i);
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store->buildDerivations(drvPaths);
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foreach (Strings::iterator, i, opArgs) {
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foreach (Paths::iterator, i, opArgs) {
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PathSet paths = realisePath(*i);
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PathSet paths = realisePath(*i);
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foreach (PathSet::iterator, j, paths)
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foreach (PathSet::iterator, j, paths)
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cout << format("%1%\n") % *j;
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cout << format("%1%\n") % *j;
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@ -415,10 +415,10 @@ static void performOp(unsigned int clientVersion,
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break;
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break;
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}
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}
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case wopBuildDerivations: {
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case wopBuildPaths: {
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PathSet drvs = readStorePaths<PathSet>(from);
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PathSet drvs = readStorePaths<PathSet>(from);
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startWork();
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startWork();
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store->buildDerivations(drvs);
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store->buildPaths(drvs);
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stopWork();
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stopWork();
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writeInt(1, to);
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writeInt(1, to);
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break;
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break;
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