diff options
Diffstat (limited to 'src/nix-store/nix-store.cc')
| -rw-r--r-- | src/nix-store/nix-store.cc | 290 |
1 files changed, 142 insertions, 148 deletions
diff --git a/src/nix-store/nix-store.cc b/src/nix-store/nix-store.cc index 434aefba488f..2d2437c75265 100644 --- a/src/nix-store/nix-store.cc +++ b/src/nix-store/nix-store.cc @@ -69,13 +69,13 @@ static PathSet realisePath(Path path, bool build = true) rootNr++; if (p.second.empty()) - foreach (DerivationOutputs::iterator, i, drv.outputs) p.second.insert(i->first); + for (auto & i : drv.outputs) p.second.insert(i.first); PathSet outputs; - foreach (StringSet::iterator, j, p.second) { - DerivationOutputs::iterator i = drv.outputs.find(*j); + for (auto & j : p.second) { + DerivationOutputs::iterator i = drv.outputs.find(j); if (i == drv.outputs.end()) - throw Error(format("derivation ‘%1%’ does not have an output named ‘%2%’") % p.first % *j); + throw Error(format("derivation ‘%1%’ does not have an output named ‘%2%’") % p.first % j); Path outPath = i->second.path; if (gcRoot == "") printGCWarning(); @@ -113,16 +113,16 @@ static void opRealise(Strings opFlags, Strings opArgs) BuildMode buildMode = bmNormal; bool ignoreUnknown = false; - foreach (Strings::iterator, i, opFlags) - if (*i == "--dry-run") dryRun = true; - else if (*i == "--repair") buildMode = bmRepair; - else if (*i == "--check") buildMode = bmCheck; - else if (*i == "--ignore-unknown") ignoreUnknown = true; - else throw UsageError(format("unknown flag ‘%1%’") % *i); + for (auto & i : opFlags) + if (i == "--dry-run") dryRun = true; + else if (i == "--repair") buildMode = bmRepair; + else if (i == "--check") buildMode = bmCheck; + else if (i == "--ignore-unknown") ignoreUnknown = true; + else throw UsageError(format("unknown flag ‘%1%’") % i); Paths paths; - foreach (Strings::iterator, i, opArgs) { - DrvPathWithOutputs p = parseDrvPathWithOutputs(*i); + for (auto & i : opArgs) { + DrvPathWithOutputs p = parseDrvPathWithOutputs(i); paths.push_back(makeDrvPathWithOutputs(followLinksToStorePath(p.first), p.second)); } @@ -133,8 +133,8 @@ static void opRealise(Strings opFlags, Strings opArgs) if (ignoreUnknown) { Paths paths2; - foreach (Paths::iterator, i, paths) - if (unknown.find(*i) == unknown.end()) paths2.push_back(*i); + for (auto & i : paths) + if (unknown.find(i) == unknown.end()) paths2.push_back(i); paths = paths2; unknown = PathSet(); } @@ -148,11 +148,11 @@ static void opRealise(Strings opFlags, Strings opArgs) store->buildPaths(PathSet(paths.begin(), paths.end()), buildMode); if (!ignoreUnknown) - foreach (Paths::iterator, i, paths) { - PathSet paths = realisePath(*i, false); + for (auto & i : paths) { + PathSet paths = realisePath(i, false); if (!noOutput) - foreach (PathSet::iterator, j, paths) - cout << format("%1%\n") % *j; + for (auto & j : paths) + cout << format("%1%\n") % j; } } @@ -173,10 +173,9 @@ static void opAddFixed(Strings opFlags, Strings opArgs) { bool recursive = false; - for (Strings::iterator i = opFlags.begin(); - i != opFlags.end(); ++i) - if (*i == "--recursive") recursive = true; - else throw UsageError(format("unknown flag ‘%1%’") % *i); + for (auto & i : opFlags) + if (i == "--recursive") recursive = true; + else throw UsageError(format("unknown flag ‘%1%’") % i); if (opArgs.empty()) throw UsageError("first argument must be hash algorithm"); @@ -194,10 +193,9 @@ static void opPrintFixedPath(Strings opFlags, Strings opArgs) { bool recursive = false; - for (Strings::iterator i = opFlags.begin(); - i != opFlags.end(); ++i) - if (*i == "--recursive") recursive = true; - else throw UsageError(format("unknown flag ‘%1%’") % *i); + for (auto i : opFlags) + if (i == "--recursive") recursive = true; + else throw UsageError(format("unknown flag ‘%1%’") % i); if (opArgs.size() != 3) throw UsageError(format("‘--print-fixed-path’ requires three arguments")); @@ -219,8 +217,8 @@ static PathSet maybeUseOutputs(const Path & storePath, bool useOutput, bool forc if (useOutput && isDerivation(storePath)) { Derivation drv = derivationFromPath(*store, storePath); PathSet outputs; - foreach (DerivationOutputs::iterator, i, drv.outputs) - outputs.insert(i->second.path); + for (auto & i : drv.outputs) + outputs.insert(i.second.path); return outputs; } else return singleton<PathSet>(storePath); @@ -257,8 +255,8 @@ static void printTree(const Path & path, Paths sorted = topoSortPaths(*store, references); reverse(sorted.begin(), sorted.end()); - foreach (Paths::iterator, i, sorted) { - Paths::iterator j = i; ++j; + for (auto i = sorted.begin(); i != sorted.end(); ++i) { + auto j = i; ++j; printTree(*i, tailPad + treeConn, j == sorted.end() ? tailPad + treeNull : tailPad + treeLine, done); @@ -279,34 +277,34 @@ static void opQuery(Strings opFlags, Strings opArgs) bool forceRealise = false; string bindingName; - foreach (Strings::iterator, i, opFlags) { + for (auto & i : opFlags) { QueryType prev = query; - if (*i == "--outputs") query = qOutputs; - else if (*i == "--requisites" || *i == "-R") query = qRequisites; - else if (*i == "--references") query = qReferences; - else if (*i == "--referrers" || *i == "--referers") query = qReferrers; - else if (*i == "--referrers-closure" || *i == "--referers-closure") query = qReferrersClosure; - else if (*i == "--deriver" || *i == "-d") query = qDeriver; - else if (*i == "--binding" || *i == "-b") { + if (i == "--outputs") query = qOutputs; + else if (i == "--requisites" || i == "-R") query = qRequisites; + else if (i == "--references") query = qReferences; + else if (i == "--referrers" || i == "--referers") query = qReferrers; + else if (i == "--referrers-closure" || i == "--referers-closure") query = qReferrersClosure; + else if (i == "--deriver" || i == "-d") query = qDeriver; + else if (i == "--binding" || i == "-b") { if (opArgs.size() == 0) throw UsageError("expected binding name"); bindingName = opArgs.front(); opArgs.pop_front(); query = qBinding; } - else if (*i == "--hash") query = qHash; - else if (*i == "--size") query = qSize; - else if (*i == "--tree") query = qTree; - else if (*i == "--graph") query = qGraph; - else if (*i == "--xml") query = qXml; - else if (*i == "--resolve") query = qResolve; - else if (*i == "--roots") query = qRoots; - else if (*i == "--use-output" || *i == "-u") useOutput = true; - else if (*i == "--force-realise" || *i == "--force-realize" || *i == "-f") forceRealise = true; - else if (*i == "--include-outputs") includeOutputs = true; - else throw UsageError(format("unknown flag ‘%1%’") % *i); + else if (i == "--hash") query = qHash; + else if (i == "--size") query = qSize; + else if (i == "--tree") query = qTree; + else if (i == "--graph") query = qGraph; + else if (i == "--xml") query = qXml; + else if (i == "--resolve") query = qResolve; + else if (i == "--roots") query = qRoots; + else if (i == "--use-output" || i == "-u") useOutput = true; + else if (i == "--force-realise" || i == "--force-realize" || i == "-f") forceRealise = true; + else if (i == "--include-outputs") includeOutputs = true; + else throw UsageError(format("unknown flag ‘%1%’") % i); if (prev != qDefault && prev != query) - throw UsageError(format("query type ‘%1%’ conflicts with earlier flag") % *i); + throw UsageError(format("query type ‘%1%’ conflicts with earlier flag") % i); } if (query == qDefault) query = qOutputs; @@ -316,12 +314,12 @@ static void opQuery(Strings opFlags, Strings opArgs) switch (query) { case qOutputs: { - foreach (Strings::iterator, i, opArgs) { - *i = followLinksToStorePath(*i); - if (forceRealise) realisePath(*i); - Derivation drv = derivationFromPath(*store, *i); - foreach (DerivationOutputs::iterator, j, drv.outputs) - cout << format("%1%\n") % j->second.path; + for (auto & i : opArgs) { + i = followLinksToStorePath(i); + if (forceRealise) realisePath(i); + Derivation drv = derivationFromPath(*store, i); + for (auto & j : drv.outputs) + cout << format("%1%\n") % j.second.path; } break; } @@ -331,13 +329,13 @@ static void opQuery(Strings opFlags, Strings opArgs) case qReferrers: case qReferrersClosure: { PathSet paths; - foreach (Strings::iterator, i, opArgs) { - PathSet ps = maybeUseOutputs(followLinksToStorePath(*i), useOutput, forceRealise); - foreach (PathSet::iterator, j, ps) { - if (query == qRequisites) computeFSClosure(*store, *j, paths, false, includeOutputs); - else if (query == qReferences) store->queryReferences(*j, paths); - else if (query == qReferrers) store->queryReferrers(*j, paths); - else if (query == qReferrersClosure) computeFSClosure(*store, *j, paths, true); + for (auto & i : opArgs) { + PathSet ps = maybeUseOutputs(followLinksToStorePath(i), useOutput, forceRealise); + for (auto & j : ps) { + if (query == qRequisites) computeFSClosure(*store, j, paths, false, includeOutputs); + else if (query == qReferences) store->queryReferences(j, paths); + else if (query == qReferrers) store->queryReferrers(j, paths); + else if (query == qReferrersClosure) computeFSClosure(*store, j, paths, true); } } Paths sorted = topoSortPaths(*store, paths); @@ -348,16 +346,16 @@ static void opQuery(Strings opFlags, Strings opArgs) } case qDeriver: - foreach (Strings::iterator, i, opArgs) { - Path deriver = store->queryDeriver(followLinksToStorePath(*i)); + for (auto & i : opArgs) { + Path deriver = store->queryDeriver(followLinksToStorePath(i)); cout << format("%1%\n") % (deriver == "" ? "unknown-deriver" : deriver); } break; case qBinding: - foreach (Strings::iterator, i, opArgs) { - Path path = useDeriver(followLinksToStorePath(*i)); + for (auto & i : opArgs) { + Path path = useDeriver(followLinksToStorePath(i)); Derivation drv = derivationFromPath(*store, path); StringPairs::iterator j = drv.env.find(bindingName); if (j == drv.env.end()) @@ -369,10 +367,10 @@ static void opQuery(Strings opFlags, Strings opArgs) case qHash: case qSize: - foreach (Strings::iterator, i, opArgs) { - PathSet paths = maybeUseOutputs(followLinksToStorePath(*i), useOutput, forceRealise); - foreach (PathSet::iterator, j, paths) { - ValidPathInfo info = store->queryPathInfo(*j); + for (auto & i : opArgs) { + PathSet paths = maybeUseOutputs(followLinksToStorePath(i), useOutput, forceRealise); + for (auto & j : paths) { + ValidPathInfo info = store->queryPathInfo(j); if (query == qHash) { assert(info.hash.type == htSHA256); cout << format("sha256:%1%\n") % printHash32(info.hash); @@ -384,15 +382,15 @@ static void opQuery(Strings opFlags, Strings opArgs) case qTree: { PathSet done; - foreach (Strings::iterator, i, opArgs) - printTree(followLinksToStorePath(*i), "", "", done); + for (auto & i : opArgs) + printTree(followLinksToStorePath(i), "", "", done); break; } case qGraph: { PathSet roots; - foreach (Strings::iterator, i, opArgs) { - PathSet paths = maybeUseOutputs(followLinksToStorePath(*i), useOutput, forceRealise); + for (auto & i : opArgs) { + PathSet paths = maybeUseOutputs(followLinksToStorePath(i), useOutput, forceRealise); roots.insert(paths.begin(), paths.end()); } printDotGraph(roots); @@ -401,8 +399,8 @@ static void opQuery(Strings opFlags, Strings opArgs) case qXml: { PathSet roots; - foreach (Strings::iterator, i, opArgs) { - PathSet paths = maybeUseOutputs(followLinksToStorePath(*i), useOutput, forceRealise); + for (auto & i : opArgs) { + PathSet paths = maybeUseOutputs(followLinksToStorePath(i), useOutput, forceRealise); roots.insert(paths.begin(), paths.end()); } printXmlGraph(roots); @@ -410,23 +408,23 @@ static void opQuery(Strings opFlags, Strings opArgs) } case qResolve: { - foreach (Strings::iterator, i, opArgs) - cout << format("%1%\n") % followLinksToStorePath(*i); + for (auto & i : opArgs) + cout << format("%1%\n") % followLinksToStorePath(i); break; } case qRoots: { PathSet referrers; - foreach (Strings::iterator, i, opArgs) { - PathSet paths = maybeUseOutputs(followLinksToStorePath(*i), useOutput, forceRealise); - foreach (PathSet::iterator, j, paths) - computeFSClosure(*store, *j, referrers, true, + for (auto & i : opArgs) { + PathSet paths = maybeUseOutputs(followLinksToStorePath(i), useOutput, forceRealise); + for (auto & j : paths) + computeFSClosure(*store, j, referrers, true, settings.gcKeepOutputs, settings.gcKeepDerivations); } Roots roots = store->findRoots(); - foreach (Roots::iterator, i, roots) - if (referrers.find(i->second) != referrers.end()) - cout << format("%1%\n") % i->first; + for (auto & i : roots) + if (referrers.find(i.second) != referrers.end()) + cout << format("%1%\n") % i.first; break; } @@ -439,8 +437,8 @@ static void opQuery(Strings opFlags, Strings opArgs) static string shellEscape(const string & s) { string r; - foreach (string::const_iterator, i, s) - if (*i == '\'') r += "'\\''"; else r += *i; + for (auto & i : s) + if (i == '\'') r += "'\\''"; else r += i; return r; } @@ -455,15 +453,17 @@ static void opPrintEnv(Strings opFlags, Strings opArgs) /* Print each environment variable in the derivation in a format that can be sourced by the shell. */ - foreach (StringPairs::iterator, i, drv.env) - cout << format("export %1%; %1%='%2%'\n") % i->first % shellEscape(i->second); + for (auto & i : drv.env) + cout << format("export %1%; %1%='%2%'\n") % i.first % shellEscape(i.second); /* Also output the arguments. This doesn't preserve whitespace in arguments. */ cout << "export _args; _args='"; - foreach (Strings::iterator, i, drv.args) { - if (i != drv.args.begin()) cout << ' '; - cout << shellEscape(*i); + bool first = true; + for (auto & i : drv.args) { + if (!first) cout << ' '; + first = false; + cout << shellEscape(i); } cout << "'\n"; } @@ -475,8 +475,8 @@ static void opReadLog(Strings opFlags, Strings opArgs) RunPager pager; - foreach (Strings::iterator, i, opArgs) { - Path path = useDeriver(followLinksToStorePath(*i)); + for (auto & i : opArgs) { + Path path = useDeriver(followLinksToStorePath(i)); string baseName = baseNameOf(path); bool found = false; @@ -547,8 +547,8 @@ static void opDumpDB(Strings opFlags, Strings opArgs) if (!opArgs.empty()) throw UsageError("no arguments expected"); PathSet validPaths = store->queryAllValidPaths(); - foreach (PathSet::iterator, i, validPaths) - cout << store->makeValidityRegistration(singleton<PathSet>(*i), true, true); + for (auto & i : validPaths) + cout << store->makeValidityRegistration(singleton<PathSet>(i), true, true); } @@ -590,11 +590,10 @@ static void opRegisterValidity(Strings opFlags, Strings opArgs) bool reregister = false; // !!! maybe this should be the default bool hashGiven = false; - for (Strings::iterator i = opFlags.begin(); - i != opFlags.end(); ++i) - if (*i == "--reregister") reregister = true; - else if (*i == "--hash-given") hashGiven = true; - else throw UsageError(format("unknown flag ‘%1%’") % *i); + for (auto & i : opFlags) + if (i == "--reregister") reregister = true; + else if (i == "--hash-given") hashGiven = true; + else throw UsageError(format("unknown flag ‘%1%’") % i); if (!opArgs.empty()) throw UsageError("no arguments expected"); @@ -606,15 +605,12 @@ static void opCheckValidity(Strings opFlags, Strings opArgs) { bool printInvalid = false; - for (Strings::iterator i = opFlags.begin(); - i != opFlags.end(); ++i) - if (*i == "--print-invalid") printInvalid = true; - else throw UsageError(format("unknown flag ‘%1%’") % *i); + for (auto & i : opFlags) + if (i == "--print-invalid") printInvalid = true; + else throw UsageError(format("unknown flag ‘%1%’") % i); - for (Strings::iterator i = opArgs.begin(); - i != opArgs.end(); ++i) - { - Path path = followLinksToStorePath(*i); + for (auto & i : opArgs) { + Path path = followLinksToStorePath(i); if (!store->isValidPath(path)) { if (printInvalid) cout << format("%1%\n") % path; @@ -634,7 +630,7 @@ static void opGC(Strings opFlags, Strings opArgs) GCResults results; /* Do what? */ - foreach (Strings::iterator, i, opFlags) + for (auto i = opFlags.begin(); i != opFlags.end(); ++i) if (*i == "--print-roots") printRoots = true; else if (*i == "--print-live") options.action = GCOptions::gcReturnLive; else if (*i == "--print-dead") options.action = GCOptions::gcReturnDead; @@ -649,8 +645,8 @@ static void opGC(Strings opFlags, Strings opArgs) if (printRoots) { Roots roots = store->findRoots(); - foreach (Roots::iterator, i, roots) - cout << i->first << " -> " << i->second << std::endl; + for (auto & i : roots) + cout << i.first << " -> " << i.second << std::endl; } else { @@ -658,8 +654,8 @@ static void opGC(Strings opFlags, Strings opArgs) store->collectGarbage(options, results); if (options.action != GCOptions::gcDeleteDead) - foreach (PathSet::iterator, i, results.paths) - cout << *i << std::endl; + for (auto & i : results.paths) + cout << i << std::endl; } } @@ -672,12 +668,12 @@ static void opDelete(Strings opFlags, Strings opArgs) GCOptions options; options.action = GCOptions::gcDeleteSpecific; - foreach (Strings::iterator, i, opFlags) - if (*i == "--ignore-liveness") options.ignoreLiveness = true; - else throw UsageError(format("unknown flag ‘%1%’") % *i); + for (auto & i : opFlags) + if (i == "--ignore-liveness") options.ignoreLiveness = true; + else throw UsageError(format("unknown flag ‘%1%’") % i); - foreach (Strings::iterator, i, opArgs) - options.pathsToDelete.insert(followLinksToStorePath(*i)); + for (auto & i : opArgs) + options.pathsToDelete.insert(followLinksToStorePath(i)); GCResults results; PrintFreed freed(true, results); @@ -713,10 +709,9 @@ static void opRestore(Strings opFlags, Strings opArgs) static void opExport(Strings opFlags, Strings opArgs) { bool sign = false; - for (Strings::iterator i = opFlags.begin(); - i != opFlags.end(); ++i) - if (*i == "--sign") sign = true; - else throw UsageError(format("unknown flag ‘%1%’") % *i); + for (auto & i : opFlags) + if (i == "--sign") sign = true; + else throw UsageError(format("unknown flag ‘%1%’") % i); FdSink sink(STDOUT_FILENO); Paths sorted = topoSortPaths(*store, PathSet(opArgs.begin(), opArgs.end())); @@ -728,17 +723,17 @@ static void opExport(Strings opFlags, Strings opArgs) static void opImport(Strings opFlags, Strings opArgs) { bool requireSignature = false; - foreach (Strings::iterator, i, opFlags) - if (*i == "--require-signature") requireSignature = true; - else throw UsageError(format("unknown flag ‘%1%’") % *i); + for (auto & i : opFlags) + if (i == "--require-signature") requireSignature = true; + else throw UsageError(format("unknown flag ‘%1%’") % i); if (!opArgs.empty()) throw UsageError("no arguments expected"); FdSource source(STDIN_FILENO); Paths paths = store->importPaths(requireSignature, source); - foreach (Paths::iterator, i, paths) - cout << format("%1%\n") % *i << std::flush; + for (auto & i : paths) + cout << format("%1%\n") % i << std::flush; } @@ -762,11 +757,10 @@ static void opVerify(Strings opFlags, Strings opArgs) bool checkContents = false; bool repair = false; - for (Strings::iterator i = opFlags.begin(); - i != opFlags.end(); ++i) - if (*i == "--check-contents") checkContents = true; - else if (*i == "--repair") repair = true; - else throw UsageError(format("unknown flag ‘%1%’") % *i); + for (auto & i : opFlags) + if (i == "--check-contents") checkContents = true; + else if (i == "--repair") repair = true; + else throw UsageError(format("unknown flag ‘%1%’") % i); if (store->verifyStore(checkContents, repair)) { printMsg(lvlError, "warning: not all errors were fixed"); @@ -783,8 +777,8 @@ static void opVerifyPath(Strings opFlags, Strings opArgs) int status = 0; - foreach (Strings::iterator, i, opArgs) { - Path path = followLinksToStorePath(*i); + for (auto & i : opArgs) { + Path path = followLinksToStorePath(i); printMsg(lvlTalkative, format("checking path ‘%1%’...") % path); ValidPathInfo info = store->queryPathInfo(path); HashResult current = hashPath(info.hash.type, path); @@ -807,8 +801,8 @@ static void opRepairPath(Strings opFlags, Strings opArgs) if (!opFlags.empty()) throw UsageError("no flags expected"); - foreach (Strings::iterator, i, opArgs) { - Path path = followLinksToStorePath(*i); + for (auto & i : opArgs) { + Path path = followLinksToStorePath(i); ensureLocalStore().repairPath(path); } } @@ -828,8 +822,8 @@ static void opQueryFailedPaths(Strings opFlags, Strings opArgs) if (!opArgs.empty() || !opFlags.empty()) throw UsageError("no arguments expected"); PathSet failed = store->queryFailedPaths(); - foreach (PathSet::iterator, i, failed) - cout << format("%1%\n") % *i; + for (auto & i : failed) + cout << format("%1%\n") % i; } @@ -845,9 +839,9 @@ static void opClearFailedPaths(Strings opFlags, Strings opArgs) static void opServe(Strings opFlags, Strings opArgs) { bool writeAllowed = false; - foreach (Strings::iterator, i, opFlags) - if (*i == "--write") writeAllowed = true; - else throw UsageError(format("unknown flag ‘%1%’") % *i); + for (auto & i : opFlags) + if (i == "--write") writeAllowed = true; + else throw UsageError(format("unknown flag ‘%1%’") % i); if (!opArgs.empty()) throw UsageError("no arguments expected"); @@ -919,10 +913,10 @@ static void opServe(Strings opFlags, Strings opArgs) case cmdQueryPathInfos: { PathSet paths = readStorePaths<PathSet>(in); // !!! Maybe we want a queryPathInfos? - foreach (PathSet::iterator, i, paths) { - if (!store->isValidPath(*i)) + for (auto & i : paths) { + if (!store->isValidPath(i)) continue; - ValidPathInfo info = store->queryPathInfo(*i); + ValidPathInfo info = store->queryPathInfo(i); writeString(info.path, out); writeString(info.deriver, out); writeStrings(info.references, out); @@ -1012,8 +1006,8 @@ static void opServe(Strings opFlags, Strings opArgs) static void opGenerateBinaryCacheKey(Strings opFlags, Strings opArgs) { - foreach (Strings::iterator, i, opFlags) - throw UsageError(format("unknown flag ‘%1%’") % *i); + for (auto & i : opFlags) + throw UsageError(format("unknown flag ‘%1%’") % i); if (opArgs.size() != 3) throw UsageError("three arguments expected"); auto i = opArgs.begin(); |