mirror of
https://github.com/NixOS/nix
synced 2025-07-03 06:11:46 +02:00
Refactor settings processing
Put all Nix configuration flags in a Settings object.
This commit is contained in:
Eelco Dolstra
parent
d50d7a2874
commit
97421eb5ec
19 changed files with 596 additions and 552 deletions
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@ -47,7 +47,7 @@ LocalStore & ensureLocalStore()
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static Path useDeriver(Path path)
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{
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{
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if (!isDerivation(path)) {
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path = store->queryDeriver(path);
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if (path == "")
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@ -89,18 +89,18 @@ static PathSet realisePath(const Path & path)
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static void opRealise(Strings opFlags, Strings opArgs)
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{
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bool dryRun = false;
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foreach (Strings::iterator, i, opFlags)
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if (*i == "--dry-run") dryRun = true;
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else throw UsageError(format("unknown flag `%1%'") % *i);
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foreach (Strings::iterator, i, opArgs)
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*i = followLinksToStorePath(*i);
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printMissing(*store, PathSet(opArgs.begin(), opArgs.end()));
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if (dryRun) return;
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/* Build all paths at the same time to exploit parallelism. */
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PathSet paths(opArgs.begin(), opArgs.end());
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store->buildPaths(paths);
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@ -128,7 +128,7 @@ static void opAdd(Strings opFlags, Strings opArgs)
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static void opAddFixed(Strings opFlags, Strings opArgs)
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{
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bool recursive = false;
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for (Strings::iterator i = opFlags.begin();
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i != opFlags.end(); ++i)
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if (*i == "--recursive") recursive = true;
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@ -136,7 +136,7 @@ static void opAddFixed(Strings opFlags, Strings opArgs)
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if (opArgs.empty())
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throw UsageError("first argument must be hash algorithm");
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HashType hashAlgo = parseHashType(opArgs.front());
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opArgs.pop_front();
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@ -149,7 +149,7 @@ static void opAddFixed(Strings opFlags, Strings opArgs)
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static void opPrintFixedPath(Strings opFlags, Strings opArgs)
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{
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bool recursive = false;
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for (Strings::iterator i = opFlags.begin();
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i != opFlags.end(); ++i)
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if (*i == "--recursive") recursive = true;
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@ -157,7 +157,7 @@ static void opPrintFixedPath(Strings opFlags, Strings opArgs)
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if (opArgs.size() != 3)
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throw UsageError(format("`--print-fixed-path' requires three arguments"));
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Strings::iterator i = opArgs.begin();
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HashType hashAlgo = parseHashType(*i++);
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string hash = *i++;
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@ -205,12 +205,12 @@ static void printTree(const Path & path,
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PathSet references;
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store->queryReferences(path, references);
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#if 0
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#if 0
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for (PathSet::iterator i = drv.inputSrcs.begin();
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i != drv.inputSrcs.end(); ++i)
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cout << format("%1%%2%\n") % (tailPad + treeConn) % *i;
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#endif
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#endif
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/* Topologically sort under the relation A < B iff A \in
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closure(B). That is, if derivation A is an (possibly indirect)
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@ -266,7 +266,7 @@ static void opQuery(Strings opFlags, Strings opArgs)
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else throw UsageError(format("unknown flag `%1%'") % *i);
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switch (query) {
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case qOutputs: {
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foreach (Strings::iterator, i, opArgs) {
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*i = followLinksToStorePath(*i);
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@ -293,7 +293,7 @@ static void opQuery(Strings opFlags, Strings opArgs)
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}
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}
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Paths sorted = topoSortPaths(*store, paths);
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for (Paths::reverse_iterator i = sorted.rbegin();
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for (Paths::reverse_iterator i = sorted.rbegin();
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i != sorted.rend(); ++i)
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cout << format("%s\n") % *i;
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break;
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@ -328,7 +328,7 @@ static void opQuery(Strings opFlags, Strings opArgs)
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if (query == qHash) {
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assert(info.hash.type == htSHA256);
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cout << format("sha256:%1%\n") % printHash32(info.hash);
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} else if (query == qSize)
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} else if (query == qSize)
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cout << format("%1%\n") % info.narSize;
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}
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}
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@ -340,7 +340,7 @@ static void opQuery(Strings opFlags, Strings opArgs)
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printTree(followLinksToStorePath(*i), "", "", done);
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break;
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}
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case qGraph: {
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PathSet roots;
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foreach (Strings::iterator, i, opArgs) {
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@ -366,7 +366,7 @@ static void opQuery(Strings opFlags, Strings opArgs)
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cout << format("%1%\n") % followLinksToStorePath(*i);
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break;
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}
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case qRoots: {
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PathSet referrers;
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foreach (Strings::iterator, i, opArgs) {
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@ -380,7 +380,7 @@ static void opQuery(Strings opFlags, Strings opArgs)
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cout << format("%1%\n") % i->first;
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break;
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}
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default:
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abort();
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}
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@ -426,9 +426,9 @@ static void opReadLog(Strings opFlags, Strings opArgs)
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foreach (Strings::iterator, i, opArgs) {
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Path path = useDeriver(followLinksToStorePath(*i));
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Path logPath = (format("%1%/%2%/%3%") %
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nixLogDir % drvsLogDir % baseNameOf(path)).str();
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settings.nixLogDir % drvsLogDir % baseNameOf(path)).str();
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Path logBz2Path = logPath + ".bz2";
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if (pathExists(logPath)) {
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@ -454,7 +454,7 @@ static void opReadLog(Strings opFlags, Strings opArgs)
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} while (err != BZ_STREAM_END);
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BZ2_bzReadClose(&err, bz);
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}
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else throw Error(format("build log of derivation `%1%' is not available") % path);
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}
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}
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@ -474,7 +474,7 @@ static void opDumpDB(Strings opFlags, Strings opArgs)
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static void registerValidity(bool reregister, bool hashGiven, bool canonicalise)
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{
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ValidPathInfos infos;
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while (1) {
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ValidPathInfo info = decodeValidPathInfo(cin, hashGiven);
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if (info.path == "") break;
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@ -508,7 +508,7 @@ static void opRegisterValidity(Strings opFlags, Strings opArgs)
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{
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bool reregister = false; // !!! maybe this should be the default
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bool hashGiven = false;
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for (Strings::iterator i = opFlags.begin();
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i != opFlags.end(); ++i)
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if (*i == "--reregister") reregister = true;
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@ -524,7 +524,7 @@ static void opRegisterValidity(Strings opFlags, Strings opArgs)
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static void opCheckValidity(Strings opFlags, Strings opArgs)
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{
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bool printInvalid = false;
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for (Strings::iterator i = opFlags.begin();
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i != opFlags.end(); ++i)
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if (*i == "--print-invalid") printInvalid = true;
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@ -551,13 +551,13 @@ static string showBytes(unsigned long long bytes, unsigned long long blocks)
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}
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struct PrintFreed
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struct PrintFreed
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{
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bool show;
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const GCResults & results;
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PrintFreed(bool show, const GCResults & results)
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: show(show), results(results) { }
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~PrintFreed()
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~PrintFreed()
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{
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if (show)
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cout << format("%1% store paths deleted, %2% freed\n")
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@ -572,9 +572,9 @@ static void opGC(Strings opFlags, Strings opArgs)
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bool printRoots = false;
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GCOptions options;
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options.action = GCOptions::gcDeleteDead;
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GCResults results;
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/* Do what? */
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foreach (Strings::iterator, i, opFlags)
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if (*i == "--print-roots") printRoots = true;
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@ -613,14 +613,14 @@ static void opDelete(Strings opFlags, Strings opArgs)
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{
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GCOptions options;
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options.action = GCOptions::gcDeleteSpecific;
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foreach (Strings::iterator, i, opFlags)
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if (*i == "--ignore-liveness") options.ignoreLiveness = true;
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else throw UsageError(format("unknown flag `%1%'") % *i);
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foreach (Strings::iterator, i, opArgs)
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options.pathsToDelete.insert(followLinksToStorePath(*i));
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GCResults results;
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PrintFreed freed(true, results);
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store->collectGarbage(options, results);
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@ -671,9 +671,9 @@ static void opImport(Strings opFlags, Strings opArgs)
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foreach (Strings::iterator, i, opFlags)
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if (*i == "--require-signature") requireSignature = true;
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else throw UsageError(format("unknown flag `%1%'") % *i);
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if (!opArgs.empty()) throw UsageError("no arguments expected");
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FdSource source(STDIN_FILENO);
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Paths paths = store->importPaths(requireSignature, source);
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@ -700,12 +700,12 @@ static void opVerify(Strings opFlags, Strings opArgs)
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throw UsageError("no arguments expected");
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bool checkContents = false;
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for (Strings::iterator i = opFlags.begin();
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i != opFlags.end(); ++i)
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if (*i == "--check-contents") checkContents = true;
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else throw UsageError(format("unknown flag `%1%'") % *i);
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ensureLocalStore().verifyStore(checkContents);
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}
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@ -844,7 +844,7 @@ void run(Strings args)
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}
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else if (arg == "--indirect")
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indirectRoot = true;
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else if (arg[0] == '-') {
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else if (arg[0] == '-') {
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opFlags.push_back(arg);
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if (arg == "--max-freed" || arg == "--max-links" || arg == "--max-atime") { /* !!! hack */
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if (i != args.end()) opFlags.push_back(*i++);
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