diff options
Diffstat (limited to 'nix')
| -rw-r--r-- | nix/libstore/globals.cc | 44 | ||||
| -rw-r--r-- | nix/libstore/globals.hh | 4 | ||||
| -rw-r--r-- | nix/libstore/local-store.cc | 159 | ||||
| -rw-r--r-- | nix/libstore/local-store.hh | 7 | ||||
| -rw-r--r-- | nix/libstore/misc.cc | 114 | ||||
| -rw-r--r-- | nix/libstore/misc.hh | 7 | ||||
| -rw-r--r-- | nix/libstore/store-api.cc | 31 | ||||
| -rw-r--r-- | nix/libstore/store-api.hh | 17 |
8 files changed, 5 insertions, 378 deletions
diff --git a/nix/libstore/globals.cc b/nix/libstore/globals.cc index 4ab6c3a0f9..fcafac2df6 100644 --- a/nix/libstore/globals.cc +++ b/nix/libstore/globals.cc @@ -78,39 +78,6 @@ void Settings::processEnvironment() } -void Settings::loadConfFile() -{ - Path settingsFile = (format("%1%/%2%") % nixConfDir % "nix.conf").str(); - if (!pathExists(settingsFile)) return; - string contents = readFile(settingsFile); - - unsigned int pos = 0; - - while (pos < contents.size()) { - string line; - while (pos < contents.size() && contents[pos] != '\n') - line += contents[pos++]; - pos++; - - string::size_type hash = line.find('#'); - if (hash != string::npos) - line = string(line, 0, hash); - - vector<string> tokens = tokenizeString<vector<string> >(line); - if (tokens.empty()) continue; - - if (tokens.size() < 2 || tokens[1] != "=") - throw Error(format("illegal configuration line `%1%' in `%2%'") % line % settingsFile); - - string name = tokens[0]; - - vector<string>::iterator i = tokens.begin(); - advance(i, 2); - settings[name] = concatStringsSep(" ", Strings(i, tokens.end())); // FIXME: slow - }; -} - - void Settings::set(const string & name, const string & value) { settings[name] = value; @@ -256,17 +223,6 @@ string Settings::pack() } -void Settings::unpack(const string & pack) { - Strings lines = tokenizeString<Strings>(pack, "\n"); - foreach (Strings::iterator, i, lines) { - string::size_type eq = i->find('='); - if (eq == string::npos) - throw Error("illegal option name/value"); - set(i->substr(0, eq), i->substr(eq + 1)); - } -} - - Settings::SettingsMap Settings::getOverrides() { return overrides; diff --git a/nix/libstore/globals.hh b/nix/libstore/globals.hh index 2439936959..1293625e1f 100644 --- a/nix/libstore/globals.hh +++ b/nix/libstore/globals.hh @@ -26,8 +26,6 @@ struct Settings { void processEnvironment(); - void loadConfFile(); - void set(const string & name, const string & value); string get(const string & name, const string & def); @@ -42,8 +40,6 @@ struct Settings { string pack(); - void unpack(const string & pack); - SettingsMap getOverrides(); /* The directory where we store sources and derived files. */ diff --git a/nix/libstore/local-store.cc b/nix/libstore/local-store.cc index 882bce1f40..4c55c6ea0d 100644 --- a/nix/libstore/local-store.cc +++ b/nix/libstore/local-store.cc @@ -171,27 +171,10 @@ LocalStore::LocalStore(bool reserveSpace) } else if (curSchema < nixSchemaVersion) { - if (curSchema < 5) - throw Error( - "Your Nix store has a database in Berkeley DB format,\n" - "which is no longer supported. To convert to the new format,\n" - "please upgrade Nix to version 0.12 first."); - - if (!lockFile(globalLock, ltWrite, false)) { - printMsg(lvlError, "waiting for exclusive access to the Nix store..."); - lockFile(globalLock, ltWrite, true); - } - - /* Get the schema version again, because another process may - have performed the upgrade already. */ - curSchema = getSchema(); - - if (curSchema < 6) upgradeStore6(); - else if (curSchema < 7) { upgradeStore7(); openDB(true); } - - writeFile(schemaPath, (format("%1%") % nixSchemaVersion).str()); - - lockFile(globalLock, ltRead, true); + /* Guix always used version 7 of the schema. */ + throw Error( + format("Your store database uses an implausibly old schema, version %1%.") + % curSchema); } else openDB(false); @@ -1633,140 +1616,6 @@ void LocalStore::markContentsGood(const Path & path) } -/* Functions for upgrading from the pre-SQLite database. */ - -PathSet LocalStore::queryValidPathsOld() -{ - PathSet paths; - for (auto & i : readDirectory(settings.nixDBPath + "/info")) - if (i.name.at(0) != '.') paths.insert(settings.nixStore + "/" + i.name); - return paths; -} - - -ValidPathInfo LocalStore::queryPathInfoOld(const Path & path) -{ - ValidPathInfo res; - res.path = path; - - /* Read the info file. */ - string baseName = baseNameOf(path); - Path infoFile = (format("%1%/info/%2%") % settings.nixDBPath % baseName).str(); - if (!pathExists(infoFile)) - throw Error(format("path `%1%' is not valid") % path); - string info = readFile(infoFile); - - /* Parse it. */ - Strings lines = tokenizeString<Strings>(info, "\n"); - - foreach (Strings::iterator, i, lines) { - string::size_type p = i->find(':'); - if (p == string::npos) - throw Error(format("corrupt line in `%1%': %2%") % infoFile % *i); - string name(*i, 0, p); - string value(*i, p + 2); - if (name == "References") { - Strings refs = tokenizeString<Strings>(value, " "); - res.references = PathSet(refs.begin(), refs.end()); - } else if (name == "Deriver") { - res.deriver = value; - } else if (name == "Hash") { - res.hash = parseHashField(path, value); - } else if (name == "Registered-At") { - int n = 0; - string2Int(value, n); - res.registrationTime = n; - } - } - - return res; -} - - -/* Upgrade from schema 5 (Nix 0.12) to schema 6 (Nix >= 0.15). */ -void LocalStore::upgradeStore6() -{ - printMsg(lvlError, "upgrading Nix store to new schema (this may take a while)..."); - - openDB(true); - - PathSet validPaths = queryValidPathsOld(); - - SQLiteTxn txn(db); - - foreach (PathSet::iterator, i, validPaths) { - addValidPath(queryPathInfoOld(*i), false); - std::cerr << "."; - } - - std::cerr << "|"; - - foreach (PathSet::iterator, i, validPaths) { - ValidPathInfo info = queryPathInfoOld(*i); - unsigned long long referrer = queryValidPathId(*i); - foreach (PathSet::iterator, j, info.references) - addReference(referrer, queryValidPathId(*j)); - std::cerr << "."; - } - - std::cerr << "\n"; - - txn.commit(); -} - - -#if defined(FS_IOC_SETFLAGS) && defined(FS_IOC_GETFLAGS) && defined(FS_IMMUTABLE_FL) - -static void makeMutable(const Path & path) -{ - checkInterrupt(); - - struct stat st = lstat(path); - - if (!S_ISDIR(st.st_mode) && !S_ISREG(st.st_mode)) return; - - if (S_ISDIR(st.st_mode)) { - for (auto & i : readDirectory(path)) - makeMutable(path + "/" + i.name); - } - - /* The O_NOFOLLOW is important to prevent us from changing the - mutable bit on the target of a symlink (which would be a - security hole). */ - AutoCloseFD fd = open(path.c_str(), O_RDONLY | O_NOFOLLOW); - if (fd == -1) { - if (errno == ELOOP) return; // it's a symlink - throw SysError(format("opening file `%1%'") % path); - } - - unsigned int flags = 0, old; - - /* Silently ignore errors getting/setting the immutable flag so - that we work correctly on filesystems that don't support it. */ - if (ioctl(fd, FS_IOC_GETFLAGS, &flags)) return; - old = flags; - flags &= ~FS_IMMUTABLE_FL; - if (old == flags) return; - if (ioctl(fd, FS_IOC_SETFLAGS, &flags)) return; -} - -/* Upgrade from schema 6 (Nix 0.15) to schema 7 (Nix >= 1.3). */ -void LocalStore::upgradeStore7() -{ - if (getuid() != 0) return; - printMsg(lvlError, "removing immutable bits from the Nix store (this may take a while)..."); - makeMutable(settings.nixStore); -} - -#else - -void LocalStore::upgradeStore7() -{ -} - -#endif - - void LocalStore::vacuumDB() { if (sqlite3_exec(db, "vacuum;", 0, 0, 0) != SQLITE_OK) diff --git a/nix/libstore/local-store.hh b/nix/libstore/local-store.hh index 6110468498..4e6b4cfc1d 100644 --- a/nix/libstore/local-store.hh +++ b/nix/libstore/local-store.hh @@ -15,7 +15,7 @@ namespace nix { /* Nix store and database schema version. Version 1 (or 0) was Nix <= 0.7. Version 2 was Nix 0.8 and 0.9. Version 3 is Nix 0.10. Version 4 is Nix 0.11. Version 5 is Nix 0.12-0.16. Version 6 is - Nix 1.0. Version 7 is Nix 1.3. */ + Nix 1.0. Version 7 is Nix 1.3. Guix has always used version 7. */ const int nixSchemaVersion = 7; @@ -244,11 +244,6 @@ private: void updatePathInfo(const ValidPathInfo & info); - void upgradeStore6(); - void upgradeStore7(); - PathSet queryValidPathsOld(); - ValidPathInfo queryPathInfoOld(const Path & path); - struct GCState; void deleteGarbage(GCState & state, const Path & path); diff --git a/nix/libstore/misc.cc b/nix/libstore/misc.cc index 22363af126..97618089bd 100644 --- a/nix/libstore/misc.cc +++ b/nix/libstore/misc.cc @@ -67,120 +67,6 @@ Path findOutput(const Derivation & drv, string id) } -void queryMissing(StoreAPI & store, const PathSet & targets, - PathSet & willBuild, PathSet & willSubstitute, PathSet & unknown, - unsigned long long & downloadSize, unsigned long long & narSize) -{ - downloadSize = narSize = 0; - - PathSet todo(targets.begin(), targets.end()), done; - - /* Getting substitute info has high latency when using the binary - cache substituter. Thus it's essential to do substitute - queries in parallel as much as possible. To accomplish this - we do the following: - - - For all paths still to be processed (‘todo’), we add all - paths for which we need info to the set ‘query’. For an - unbuilt derivation this is the output paths; otherwise, it's - the path itself. - - - We get info about all paths in ‘query’ in parallel. - - - We process the results and add new items to ‘todo’ if - necessary. E.g. if a path is substitutable, then we need to - get info on its references. - - - Repeat until ‘todo’ is empty. - */ - - while (!todo.empty()) { - - PathSet query, todoDrv, todoNonDrv; - - foreach (PathSet::iterator, i, todo) { - if (done.find(*i) != done.end()) continue; - done.insert(*i); - - DrvPathWithOutputs i2 = parseDrvPathWithOutputs(*i); - - if (isDerivation(i2.first)) { - if (!store.isValidPath(i2.first)) { - // FIXME: we could try to substitute p. - unknown.insert(*i); - continue; - } - Derivation drv = derivationFromPath(store, i2.first); - - PathSet invalid; - foreach (DerivationOutputs::iterator, j, drv.outputs) - if (wantOutput(j->first, i2.second) - && !store.isValidPath(j->second.path)) - invalid.insert(j->second.path); - if (invalid.empty()) continue; - - todoDrv.insert(*i); - if (settings.useSubstitutes && substitutesAllowed(drv)) - query.insert(invalid.begin(), invalid.end()); - } - - else { - if (store.isValidPath(*i)) continue; - query.insert(*i); - todoNonDrv.insert(*i); - } - } - - todo.clear(); - - SubstitutablePathInfos infos; - store.querySubstitutablePathInfos(query, infos); - - foreach (PathSet::iterator, i, todoDrv) { - DrvPathWithOutputs i2 = parseDrvPathWithOutputs(*i); - - // FIXME: cache this - Derivation drv = derivationFromPath(store, i2.first); - - PathSet outputs; - bool mustBuild = false; - if (settings.useSubstitutes && substitutesAllowed(drv)) { - foreach (DerivationOutputs::iterator, j, drv.outputs) { - if (!wantOutput(j->first, i2.second)) continue; - if (!store.isValidPath(j->second.path)) { - if (infos.find(j->second.path) == infos.end()) - mustBuild = true; - else - outputs.insert(j->second.path); - } - } - } else - mustBuild = true; - - if (mustBuild) { - willBuild.insert(i2.first); - todo.insert(drv.inputSrcs.begin(), drv.inputSrcs.end()); - foreach (DerivationInputs::iterator, j, drv.inputDrvs) - todo.insert(makeDrvPathWithOutputs(j->first, j->second)); - } else - todoNonDrv.insert(outputs.begin(), outputs.end()); - } - - foreach (PathSet::iterator, i, todoNonDrv) { - done.insert(*i); - SubstitutablePathInfos::iterator info = infos.find(*i); - if (info != infos.end()) { - willSubstitute.insert(*i); - downloadSize += info->second.downloadSize; - narSize += info->second.narSize; - todo.insert(info->second.references.begin(), info->second.references.end()); - } else - unknown.insert(*i); - } - } -} - - static void dfsVisit(StoreAPI & store, const PathSet & paths, const Path & path, PathSet & visited, Paths & sorted, PathSet & parents) diff --git a/nix/libstore/misc.hh b/nix/libstore/misc.hh index d3e31d51f7..edbf24047e 100644 --- a/nix/libstore/misc.hh +++ b/nix/libstore/misc.hh @@ -25,13 +25,6 @@ void computeFSClosure(StoreAPI & store, const Path & path, given derivation. */ Path findOutput(const Derivation & drv, string id); -/* Given a set of paths that are to be built, return the set of - derivations that will be built, and the set of output paths that - will be substituted. */ -void queryMissing(StoreAPI & store, const PathSet & targets, - PathSet & willBuild, PathSet & willSubstitute, PathSet & unknown, - unsigned long long & downloadSize, unsigned long long & narSize); - bool willBuildLocally(const Derivation & drv); bool substitutesAllowed(const Derivation & drv); diff --git a/nix/libstore/store-api.cc b/nix/libstore/store-api.cc index 30af5f5fed..6742d2ed49 100644 --- a/nix/libstore/store-api.cc +++ b/nix/libstore/store-api.cc @@ -48,26 +48,6 @@ Path toStorePath(const Path & path) } -Path followLinksToStore(const Path & _path) -{ - Path path = absPath(_path); - while (!isInStore(path)) { - if (!isLink(path)) break; - string target = readLink(path); - path = absPath(target, dirOf(path)); - } - if (!isInStore(path)) - throw Error(format("path `%1%' is not in the Nix store") % path); - return path; -} - - -Path followLinksToStorePath(const Path & path) -{ - return toStorePath(followLinksToStore(path)); -} - - string storePathToName(const Path & path) { assertStorePath(path); @@ -200,17 +180,6 @@ Path makeFixedOutputPath(bool recursive, } -std::pair<Path, Hash> computeStorePathForPath(const Path & srcPath, - bool recursive, HashType hashAlgo, PathFilter & filter) -{ - HashType ht(hashAlgo); - Hash h = recursive ? hashPath(ht, srcPath, filter).first : hashFile(ht, srcPath); - string name = baseNameOf(srcPath); - Path dstPath = makeFixedOutputPath(recursive, hashAlgo, h, name); - return std::pair<Path, Hash>(dstPath, h); -} - - Path computeStorePathForText(const string & name, const string & s, const PathSet & references) { diff --git a/nix/libstore/store-api.hh b/nix/libstore/store-api.hh index fa78d595f2..e957cedebc 100644 --- a/nix/libstore/store-api.hh +++ b/nix/libstore/store-api.hh @@ -311,15 +311,6 @@ void checkStoreName(const string & name); Path toStorePath(const Path & path); -/* Follow symlinks until we end up with a path in the Nix store. */ -Path followLinksToStore(const Path & path); - - -/* Same as followLinksToStore(), but apply toStorePath() to the - result. */ -Path followLinksToStorePath(const Path & path); - - /* Constructs a unique store path name. */ Path makeStorePath(const string & type, const Hash & hash, const string & name); @@ -331,14 +322,6 @@ Path makeFixedOutputPath(bool recursive, HashType hashAlgo, Hash hash, string name); -/* This is the preparatory part of addToStore() and addToStoreFixed(); - it computes the store path to which srcPath is to be copied. - Returns the store path and the cryptographic hash of the - contents of srcPath. */ -std::pair<Path, Hash> computeStorePathForPath(const Path & srcPath, - bool recursive = true, HashType hashAlgo = htSHA256, - PathFilter & filter = defaultPathFilter); - /* Preparatory part of addTextToStore(). !!! Computation of the path should take the references given to |