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Remove std::string alias (for real this time)

Browse source 
Also use std::string_view in a few more places.
This commit is contained in:
Eelco Dolstra 2022-02-25 16:00:00 +01:00
parent 14b38d0887
commit df552ff53e
110 changed files with 773 additions and 681 deletions
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17
src/libstore/binary-cache-store.cc
View file

@ -385,8 +385,14 @@ void BinaryCacheStore::queryPathInfoUncached(const StorePath & storePath,
}});
}
StorePath BinaryCacheStore::addToStore(const string & name, const Path & srcPath,
FileIngestionMethod method, HashType hashAlgo, PathFilter & filter, RepairFlag repair, const StorePathSet & references)
StorePath BinaryCacheStore::addToStore(
std::string_view name,
const Path & srcPath,
FileIngestionMethod method,
HashType hashAlgo,
PathFilter & filter,
RepairFlag repair,
const StorePathSet & references)
{
/* FIXME: Make BinaryCacheStore::addToStoreCommon support
non-recursive+sha256 so we can just use the default
@ -418,8 +424,11 @@ StorePath BinaryCacheStore::addToStore(const string & name, const Path & srcPath
})->path;
}
StorePath BinaryCacheStore::addTextToStore(const string & name, const string & s,
const StorePathSet & references, RepairFlag repair)
StorePath BinaryCacheStore::addTextToStore(
std::string_view name,
std::string_view s,
const StorePathSet & references,
RepairFlag repair)
{
auto textHash = hashString(htSHA256, s);
auto path = makeTextPath(name, textHash, references);

18
src/libstore/binary-cache-store.hh
View file

@ -101,12 +101,20 @@ public:
StorePath addToStoreFromDump(Source & dump, std::string_view name,
FileIngestionMethod method, HashType hashAlgo, RepairFlag repair, const StorePathSet & references) override;
StorePath addToStore(const string & name, const Path & srcPath,
FileIngestionMethod method, HashType hashAlgo,
PathFilter & filter, RepairFlag repair, const StorePathSet & references) override;
StorePath addToStore(
std::string_view name,
const Path & srcPath,
FileIngestionMethod method,
HashType hashAlgo,
PathFilter & filter,
RepairFlag repair,
const StorePathSet & references) override;
StorePath addTextToStore(const string & name, const string & s,
const StorePathSet & references, RepairFlag repair) override;
StorePath addTextToStore(
std::string_view name,
std::string_view s,
const StorePathSet & references,
RepairFlag repair) override;
void registerDrvOutput(const Realisation & info) override;

14
src/libstore/build/derivation-goal.cc
View file

@ -116,7 +116,7 @@ DerivationGoal::~DerivationGoal()
}
string DerivationGoal::key()
std::string DerivationGoal::key()
{
/* Ensure that derivations get built in order of their name,
i.e. a derivation named "aardvark" always comes before
@ -1013,7 +1013,7 @@ HookReply DerivationGoal::tryBuildHook()
/* Read the first line of input, which should be a word indicating
whether the hook wishes to perform the build. */
string reply;
std::string reply;
while (true) {
auto s = [&]() {
try {
@ -1025,8 +1025,8 @@ HookReply DerivationGoal::tryBuildHook()
}();
if (handleJSONLogMessage(s, worker.act, worker.hook->activities, true))
;
else if (string(s, 0, 2) == "# ") {
reply = string(s, 2);
else if (s.substr(0, 2) == "# ") {
reply = s.substr(2);
break;
}
else {
@ -1140,10 +1140,10 @@ Path DerivationGoal::openLogFile()
logDir = localStore->logDir;
else
logDir = settings.nixLogDir;
Path dir = fmt("%s/%s/%s/", logDir, LocalFSStore::drvsLogDir, string(baseName, 0, 2));
Path dir = fmt("%s/%s/%s/", logDir, LocalFSStore::drvsLogDir, baseName.substr(0, 2));
createDirs(dir);
Path logFileName = fmt("%s/%s%s", dir, string(baseName, 2),
Path logFileName = fmt("%s/%s%s", dir, baseName.substr(2),
settings.compressLog ? ".bz2" : "");
fdLogFile = open(logFileName.c_str(), O_CREAT | O_WRONLY | O_TRUNC | O_CLOEXEC, 0666);
@ -1176,7 +1176,7 @@ bool DerivationGoal::isReadDesc(int fd)
}
void DerivationGoal::handleChildOutput(int fd, const string & data)
void DerivationGoal::handleChildOutput(int fd, std::string_view data)
{
if (isReadDesc(fd))
{

4
src/libstore/build/derivation-goal.hh
View file

@ -145,7 +145,7 @@ struct DerivationGoal : public Goal
void timedOut(Error && ex) override;
string key() override;
std::string key() override;
void work() override;
@ -200,7 +200,7 @@ struct DerivationGoal : public Goal
virtual bool isReadDesc(int fd);
/* Callback used by the worker to write to the log. */
void handleChildOutput(int fd, const string & data) override;
void handleChildOutput(int fd, std::string_view data) override;
void handleEOF(int fd) override;
void flushLine();

2
src/libstore/build/drv-output-substitution-goal.cc
View file

@ -137,7 +137,7 @@ void DrvOutputSubstitutionGoal::finished()
amDone(ecSuccess);
}
string DrvOutputSubstitutionGoal::key()
std::string DrvOutputSubstitutionGoal::key()
{
/* "a$" ensures substitution goals happen before derivation
goals. */

2
src/libstore/build/drv-output-substitution-goal.hh
View file

@ -51,7 +51,7 @@ public:
void timedOut(Error && ex) override { abort(); };
string key() override;
std::string key() override;
void work() override;
void handleEOF(int fd) override;

4
src/libstore/build/goal.cc
View file

@ -5,8 +5,8 @@ namespace nix {
bool CompareGoalPtrs::operator() (const GoalPtr & a, const GoalPtr & b) const {
string s1 = a->key();
string s2 = b->key();
std::string s1 = a->key();
std::string s2 = b->key();
return s1 < s2;
}

8
src/libstore/build/goal.hh
View file

@ -50,7 +50,7 @@ struct Goal : public std::enable_shared_from_this<Goal>
unsigned int nrIncompleteClosure;
/* Name of this goal for debugging purposes. */
string name;
std::string name;
/* Whether the goal is finished. */
ExitCode exitCode;
@ -75,7 +75,7 @@ struct Goal : public std::enable_shared_from_this<Goal>
virtual void waiteeDone(GoalPtr waitee, ExitCode result);
virtual void handleChildOutput(int fd, const string & data)
virtual void handleChildOutput(int fd, std::string_view data)
{
abort();
}
@ -87,7 +87,7 @@ struct Goal : public std::enable_shared_from_this<Goal>
void trace(const FormatOrString & fs);
string getName()
std::string getName()
{
return name;
}
@ -97,7 +97,7 @@ struct Goal : public std::enable_shared_from_this<Goal>
by the worker (important!), etc. */
virtual void timedOut(Error && ex) = 0;
virtual string key() = 0;
virtual std::string key() = 0;
void amDone(ExitCode result, std::optional<Error> ex = {});

64
src/libstore/build/local-derivation-goal.cc
View file

@ -481,12 +481,12 @@ void LocalDerivationGoal::startBuilder()
temporary build directory. The text files have the format used
by `nix-store --register-validity'. However, the deriver
fields are left empty. */
string s = get(drv->env, "exportReferencesGraph").value_or("");
auto s = get(drv->env, "exportReferencesGraph").value_or("");
Strings ss = tokenizeString<Strings>(s);
if (ss.size() % 2 != 0)
throw BuildError("odd number of tokens in 'exportReferencesGraph': '%1%'", s);
for (Strings::iterator i = ss.begin(); i != ss.end(); ) {
string fileName = *i++;
auto fileName = *i++;
static std::regex regex("[A-Za-z_][A-Za-z0-9_.-]*");
if (!std::regex_match(fileName, regex))
throw Error("invalid file name '%s' in 'exportReferencesGraph'", fileName);
@ -517,10 +517,10 @@ void LocalDerivationGoal::startBuilder()
i.pop_back();
}
size_t p = i.find('=');
if (p == string::npos)
if (p == std::string::npos)
dirsInChroot[i] = {i, optional};
else
dirsInChroot[string(i, 0, p)] = {string(i, p + 1), optional};
dirsInChroot[i.substr(0, p)] = {i.substr(p + 1), optional};
}
dirsInChroot[tmpDirInSandbox] = tmpDir;
@ -671,9 +671,10 @@ void LocalDerivationGoal::startBuilder()
auto state = stBegin;
auto lines = runProgram(settings.preBuildHook, false, args);
auto lastPos = std::string::size_type{0};
for (auto nlPos = lines.find('\n'); nlPos != string::npos;
nlPos = lines.find('\n', lastPos)) {
auto line = std::string{lines, lastPos, nlPos - lastPos};
for (auto nlPos = lines.find('\n'); nlPos != std::string::npos;
nlPos = lines.find('\n', lastPos))
{
auto line = lines.substr(lastPos, nlPos - lastPos);
lastPos = nlPos + 1;
if (state == stBegin) {
if (line == "extra-sandbox-paths" || line == "extra-chroot-dirs") {
@ -686,10 +687,10 @@ void LocalDerivationGoal::startBuilder()
state = stBegin;
} else {
auto p = line.find('=');
if (p == string::npos)
if (p == std::string::npos)
dirsInChroot[line] = line;
else
dirsInChroot[string(line, 0, p)] = string(line, p + 1);
dirsInChroot[line.substr(0, p)] = line.substr(p + 1);
}
}
}
@ -941,7 +942,7 @@ void LocalDerivationGoal::startBuilder()
/* Check if setting up the build environment failed. */
std::vector<std::string> msgs;
while (true) {
string msg = [&]() {
std::string msg = [&]() {
try {
return readLine(builderOut.readSide.get());
} catch (Error & e) {
@ -953,8 +954,8 @@ void LocalDerivationGoal::startBuilder()
throw;
}
}();
if (string(msg, 0, 1) == "\2") break;
if (string(msg, 0, 1) == "\1") {
if (msg.substr(0, 1) == "\2") break;
if (msg.substr(0, 1) == "\1") {
FdSource source(builderOut.readSide.get());
auto ex = readError(source);
ex.addTrace({}, "while setting up the build environment");
@ -990,7 +991,7 @@ void LocalDerivationGoal::initTmpDir() {
env[i.first] = i.second;
} else {
auto hash = hashString(htSHA256, i.first);
string fn = ".attr-" + hash.to_string(Base32, false);
std::string fn = ".attr-" + hash.to_string(Base32, false);
Path p = tmpDir + "/" + fn;
writeFile(p, rewriteStrings(i.second, inputRewrites));
chownToBuilder(p);
@ -1081,7 +1082,7 @@ void LocalDerivationGoal::writeStructuredAttrs()
for (auto & [i, v] : json["outputs"].get<nlohmann::json::object_t>()) {
/* The placeholder must have a rewrite, so we use it to cover both the
cases where we know or don't know the output path ahead of time. */
rewritten[i] = rewriteStrings(v, inputRewrites);
rewritten[i] = rewriteStrings((std::string) v, inputRewrites);
}
json["outputs"] = rewritten;
@ -1187,10 +1188,14 @@ struct RestrictedStore : public virtual RestrictedStoreConfig, public virtual Lo
std::optional<StorePath> queryPathFromHashPart(const std::string & hashPart) override
{ throw Error("queryPathFromHashPart"); }
StorePath addToStore(const string & name, const Path & srcPath,
FileIngestionMethod method = FileIngestionMethod::Recursive, HashType hashAlgo = htSHA256,
PathFilter & filter = defaultPathFilter, RepairFlag repair = NoRepair,
const StorePathSet & references = StorePathSet()) override
StorePath addToStore(
std::string_view name,
const Path & srcPath,
FileIngestionMethod method,
HashType hashAlgo,
PathFilter & filter,
RepairFlag repair,
const StorePathSet & references) override
{ throw Error("addToStore"); }
void addToStore(const ValidPathInfo & info, Source & narSource,
@ -1200,17 +1205,24 @@ struct RestrictedStore : public virtual RestrictedStoreConfig, public virtual Lo
goal.addDependency(info.path);
}
StorePath addTextToStore(const string & name, const string & s,
const StorePathSet & references, RepairFlag repair = NoRepair) override
StorePath addTextToStore(
std::string_view name,
std::string_view s,
const StorePathSet & references,
RepairFlag repair = NoRepair) override
{
auto path = next->addTextToStore(name, s, references, repair);
goal.addDependency(path);
return path;
}
StorePath addToStoreFromDump(Source & dump, std::string_view name,
FileIngestionMethod method = FileIngestionMethod::Recursive, HashType hashAlgo = htSHA256, RepairFlag repair = NoRepair,
const StorePathSet & references = StorePathSet()) override
StorePath addToStoreFromDump(
Source & dump,
std::string_view name,
FileIngestionMethod method,
HashType hashAlgo,
RepairFlag repair,
const StorePathSet & references) override
{
auto path = next->addToStoreFromDump(dump, name, method, hashAlgo, repair, references);
goal.addDependency(path);
@ -1992,7 +2004,7 @@ void LocalDerivationGoal::runChild()
args.push_back(rewriteStrings(i, inputRewrites));
/* Indicate that we managed to set up the build environment. */
writeFull(STDERR_FILENO, string("\2\n"));
writeFull(STDERR_FILENO, std::string("\2\n"));
/* Execute the program. This should not return. */
if (drv->isBuiltin()) {
@ -2010,7 +2022,7 @@ void LocalDerivationGoal::runChild()
else if (drv->builder == "builtin:unpack-channel")
builtinUnpackChannel(drv2);
else
throw Error("unsupported builtin builder '%1%'", string(drv->builder, 8));
throw Error("unsupported builtin builder '%1%'", drv->builder.substr(8));
_exit(0);
} catch (std::exception & e) {
writeFull(STDERR_FILENO, e.what() + std::string("\n"));
@ -2694,7 +2706,7 @@ void LocalDerivationGoal::checkOutputs(const std::map<Path, ValidPathInfo> & out
}
if (!badPaths.empty()) {
string badPathsStr;
std::string badPathsStr;
for (auto & i : badPaths) {
badPathsStr += "\n ";
badPathsStr += worker.store.printStorePath(i);

2
src/libstore/build/local-derivation-goal.hh
View file

@ -58,7 +58,7 @@ struct LocalDerivationGoal : public DerivationGoal
typedef map<Path, ChrootPath> DirsInChroot; // maps target path to source path
DirsInChroot dirsInChroot;
typedef map<string, string> Environment;
typedef map<std::string, std::string> Environment;
Environment env;
#if __APPLE__

2
src/libstore/build/substitution-goal.cc
View file

@ -272,7 +272,7 @@ void PathSubstitutionGoal::finished()
}
void PathSubstitutionGoal::handleChildOutput(int fd, const string & data)
void PathSubstitutionGoal::handleChildOutput(int fd, std::string_view data)
{
}

4
src/libstore/build/substitution-goal.hh
View file

@ -59,7 +59,7 @@ public:
void timedOut(Error && ex) override { abort(); };
string key() override
std::string key() override
{
/* "a$" ensures substitution goals happen before derivation
goals. */
@ -77,7 +77,7 @@ public:
void finished();
/* Callback used by the worker to write to the log. */
void handleChildOutput(int fd, const string & data) override;
void handleChildOutput(int fd, std::string_view data) override;
void handleEOF(int fd) override;
void cleanup() override;

2
src/libstore/build/worker.cc
View file

@ -394,7 +394,7 @@ void Worker::waitForInput()
} else {
printMsg(lvlVomit, "%1%: read %2% bytes",
goal->getName(), rd);
string data((char *) buffer.data(), rd);
std::string data((char *) buffer.data(), rd);
j->lastOutput = after;
goal->handleChildOutput(k, data);
}

4
src/libstore/builtins/buildenv.cc
View file

@ -123,7 +123,7 @@ void buildProfile(const Path & out, Packages && pkgs)
createLinks(state, pkgDir, out, priority);
try {
for (const auto & p : tokenizeString<std::vector<string>>(
for (const auto & p : tokenizeString<std::vector<std::string>>(
readFile(pkgDir + "/nix-support/propagated-user-env-packages"), " \n"))
if (!done.count(p))
postponed.insert(p);
@ -161,7 +161,7 @@ void buildProfile(const Path & out, Packages && pkgs)
void builtinBuildenv(const BasicDerivation & drv)
{
auto getAttr = [&](const string & name) {
auto getAttr = [&](const std::string & name) {
auto i = drv.env.find(name);
if (i == drv.env.end()) throw Error("attribute '%s' missing", name);
return i->second;

2
src/libstore/builtins/fetchurl.cc
View file

@ -16,7 +16,7 @@ void builtinFetchurl(const BasicDerivation & drv, const std::string & netrcData)
writeFile(settings.netrcFile, netrcData, 0600);
}
auto getAttr = [&](const string & name) {
auto getAttr = [&](const std::string & name) {
auto i = drv.env.find(name);
if (i == drv.env.end()) throw Error("attribute '%s' missing", name);
return i->second;

2
src/libstore/builtins/unpack-channel.cc
View file

@ -5,7 +5,7 @@ namespace nix {
void builtinUnpackChannel(const BasicDerivation & drv)
{
auto getAttr = [&](const string & name) {
auto getAttr = [&](const std::string & name) {
auto i = drv.env.find(name);
if (i == drv.env.end()) throw Error("attribute '%s' missing", name);
return i->second;

8
src/libstore/daemon.cc
View file

@ -479,8 +479,8 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
}
case wopAddTextToStore: {
string suffix = readString(from);
string s = readString(from);
std::string suffix = readString(from);
std::string s = readString(from);
auto refs = worker_proto::read(*store, from, Phantom<StorePathSet> {});
logger->startWork();
auto path = store->addTextToStore(suffix, s, refs, NoRepair);
@ -698,8 +698,8 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
if (GET_PROTOCOL_MINOR(clientVersion) >= 12) {
unsigned int n = readInt(from);
for (unsigned int i = 0; i < n; i++) {
string name = readString(from);
string value = readString(from);
auto name = readString(from);
auto value = readString(from);
clientSettings.overrides.emplace(name, value);
}
}

32
src/libstore/derivations.cc
View file

@ -82,7 +82,7 @@ bool derivationIsImpure(DerivationType dt) {
bool BasicDerivation::isBuiltin() const
{
return string(builder, 0, 8) == "builtin:";
return builder.substr(0, 8) == "builtin:";
}
@ -104,19 +104,19 @@ StorePath writeDerivation(Store & store,
/* Read string `s' from stream `str'. */
static void expect(std::istream & str, const string & s)
static void expect(std::istream & str, std::string_view s)
{
char s2[s.size()];
str.read(s2, s.size());
if (string(s2, s.size()) != s)
if (std::string(s2, s.size()) != s)
throw FormatError("expected string '%1%'", s);
}
/* Read a C-style string from stream `str'. */
static string parseString(std::istream & str)
static std::string parseString(std::istream & str)
{
string res;
std::string res;
expect(str, "\"");
int c;
while ((c = str.get()) != '"')
@ -172,7 +172,7 @@ static DerivationOutput parseDerivationOutput(const Store & store,
{
if (hashAlgo != "") {
auto method = FileIngestionMethod::Flat;
if (string(hashAlgo, 0, 2) == "r:") {
if (hashAlgo.substr(0, 2) == "r:") {
method = FileIngestionMethod::Recursive;
hashAlgo = hashAlgo.substr(2);
}
@ -260,8 +260,8 @@ Derivation parseDerivation(const Store & store, std::string && s, std::string_vi
/* Parse the environment variables. */
expect(str, ",[");
while (!endOfList(str)) {
expect(str, "("); string name = parseString(str);
expect(str, ","); string value = parseString(str);
expect(str, "("); auto name = parseString(str);
expect(str, ","); auto value = parseString(str);
expect(str, ")");
drv.env[name] = value;
}
@ -271,7 +271,7 @@ Derivation parseDerivation(const Store & store, std::string && s, std::string_vi
}
static void printString(string & res, std::string_view s)
static void printString(std::string & res, std::string_view s)
{
boost::container::small_vector<char, 64 * 1024> buffer;
buffer.reserve(s.size() * 2 + 2);
@ -289,7 +289,7 @@ static void printString(string & res, std::string_view s)
}
static void printUnquotedString(string & res, std::string_view s)
static void printUnquotedString(std::string & res, std::string_view s)
{
res += '"';
res.append(s);
@ -298,7 +298,7 @@ static void printUnquotedString(string & res, std::string_view s)
template<class ForwardIterator>
static void printStrings(string & res, ForwardIterator i, ForwardIterator j)
static void printStrings(std::string & res, ForwardIterator i, ForwardIterator j)
{
res += '[';
bool first = true;
@ -311,7 +311,7 @@ static void printStrings(string & res, ForwardIterator i, ForwardIterator j)
template<class ForwardIterator>
static void printUnquotedStrings(string & res, ForwardIterator i, ForwardIterator j)
static void printUnquotedStrings(std::string & res, ForwardIterator i, ForwardIterator j)
{
res += '[';
bool first = true;
@ -323,10 +323,10 @@ static void printUnquotedStrings(string & res, ForwardIterator i, ForwardIterato
}
string Derivation::unparse(const Store & store, bool maskOutputs,
std::string Derivation::unparse(const Store & store, bool maskOutputs,
std::map<std::string, StringSet> * actualInputs) const
{
string s;
std::string s;
s.reserve(65536);
s += "Derive([";
@ -401,7 +401,7 @@ string Derivation::unparse(const Store & store, bool maskOutputs,
// FIXME: remove
bool isDerivation(const string & fileName)
bool isDerivation(const std::string & fileName)
{
return hasSuffix(fileName, drvExtension);
}
@ -593,7 +593,7 @@ std::map<std::string, Hash> staticOutputHashes(Store & store, const Derivation &
}
bool wantOutput(const string & output, const std::set<string> & wanted)
bool wantOutput(const std::string & output, const std::set<std::string> & wanted)
{
return wanted.empty() || wanted.find(output) != wanted.end();
}

12
src/libstore/derivations.hh
View file

@ -59,21 +59,19 @@ struct DerivationOutput
std::optional<StorePath> path(const Store & store, std::string_view drvName, std::string_view outputName) const;
};
typedef std::map<string, DerivationOutput> DerivationOutputs;
typedef std::map<std::string, DerivationOutput> DerivationOutputs;
/* These are analogues to the previous DerivationOutputs data type, but they
also contains, for each output, the (optional) store path in which it would
be written. To calculate values of these types, see the corresponding
functions in BasicDerivation */
typedef std::map<string, std::pair<DerivationOutput, std::optional<StorePath>>>
typedef std::map<std::string, std::pair<DerivationOutput, std::optional<StorePath>>>
DerivationOutputsAndOptPaths;
/* For inputs that are sub-derivations, we specify exactly which
output IDs we are interested in. */
typedef std::map<StorePath, StringSet> DerivationInputs;
typedef std::map<string, string> StringPairs;
enum struct DerivationType : uint8_t {
InputAddressed,
DeferredInputAddressed,
@ -103,7 +101,7 @@ struct BasicDerivation
{
DerivationOutputs outputs; /* keyed on symbolic IDs */
StorePathSet inputSrcs; /* inputs that are sources */
string platform;
std::string platform;
Path builder;
Strings args;
StringPairs env;
@ -164,7 +162,7 @@ StorePath writeDerivation(Store & store,
Derivation parseDerivation(const Store & store, std::string && s, std::string_view name);
// FIXME: remove
bool isDerivation(const string & fileName);
bool isDerivation(const std::string & fileName);
/* Calculate the name that will be used for the store path for this
output.
@ -222,7 +220,7 @@ typedef std::map<StorePath, DrvHashModulo> DrvHashes;
// FIXME: global, though at least thread-safe.
extern Sync<DrvHashes> drvHashes;
bool wantOutput(const string & output, const std::set<string> & wanted);
bool wantOutput(const std::string & output, const std::set<std::string> & wanted);
struct Source;
struct Sink;

4
src/libstore/derived-path.cc
View file

@ -75,9 +75,9 @@ DerivedPath::Built DerivedPath::Built::parse(const Store & store, std::string_vi
assert(n != s.npos);
auto drvPath = store.parseStorePath(s.substr(0, n));
auto outputsS = s.substr(n + 1);
std::set<string> outputs;
std::set<std::string> outputs;
if (outputsS != "*")
outputs = tokenizeString<std::set<string>>(outputsS, ",");
outputs = tokenizeString<std::set<std::string>>(outputsS, ",");
return {drvPath, outputs};
}

9
src/libstore/dummy-store.cc
View file

@ -21,7 +21,7 @@ struct DummyStore : public virtual DummyStoreConfig, public virtual Store
, Store(params)
{ }
string getUri() override
std::string getUri() override
{
return *uriSchemes().begin();
}
@ -43,8 +43,11 @@ struct DummyStore : public virtual DummyStoreConfig, public virtual Store
RepairFlag repair, CheckSigsFlag checkSigs) override
{ unsupported("addToStore"); }
StorePath addTextToStore(const string & name, const string & s,
const StorePathSet & references, RepairFlag repair) override
StorePath addTextToStore(
std::string_view name,
std::string_view s,
const StorePathSet & references,
RepairFlag repair) override
{ unsupported("addTextToStore"); }
void narFromPath(const StorePath & path, Sink & sink) override

26
src/libstore/filetransfer.cc
View file

@ -33,12 +33,12 @@ FileTransferSettings fileTransferSettings;
static GlobalConfig::Register rFileTransferSettings(&fileTransferSettings);
std::string resolveUri(const std::string & uri)
std::string resolveUri(std::string_view uri)
{
if (uri.compare(0, 8, "channel:") == 0)
return "https://nixos.org/channels/" + std::string(uri, 8) + "/nixexprs.tar.xz";
return "https://nixos.org/channels/" + std::string(uri.substr(8)) + "/nixexprs.tar.xz";
else
return uri;
return std::string(uri);
}
struct curlFileTransfer : public FileTransfer
@ -197,15 +197,15 @@ struct curlFileTransfer : public FileTransfer
result.etag = "";
result.data.clear();
result.bodySize = 0;
statusMsg = trim(match[1]);
statusMsg = trim((std::string &) match[1]);
acceptRanges = false;
encoding = "";
} else {
auto i = line.find(':');
if (i != string::npos) {
string name = toLower(trim(string(line, 0, i)));
if (i != std::string::npos) {
std::string name = toLower(trim(line.substr(0, i)));
if (name == "etag") {
result.etag = trim(string(line, i + 1));
result.etag = trim(line.substr(i + 1));
/* Hack to work around a GitHub bug: it sends
ETags, but ignores If-None-Match. So if we get
the expected ETag on a 200 response, then shut
@ -218,8 +218,8 @@ struct curlFileTransfer : public FileTransfer
return 0;
}
} else if (name == "content-encoding")
encoding = trim(string(line, i + 1));
else if (name == "accept-ranges" && toLower(trim(std::string(line, i + 1))) == "bytes")
encoding = trim(line.substr(i + 1));
else if (name == "accept-ranges" && toLower(trim(line.substr(i + 1))) == "bytes")
acceptRanges = true;
}
}
@ -866,18 +866,18 @@ FileTransferError::FileTransferError(FileTransfer::Error error, std::optional<st
// FIXME: Due to https://github.com/NixOS/nix/issues/3841 we don't know how
// to print different messages for different verbosity levels. For now
// we add some heuristics for detecting when we want to show the response.
if (response && (response->size() < 1024 || response->find("<html>") != string::npos))
if (response && (response->size() < 1024 || response->find("<html>") != std::string::npos))
err.msg = hintfmt("%1%\n\nresponse body:\n\n%2%", normaltxt(hf.str()), chomp(*response));
else
err.msg = hf;
}
bool isUri(const string & s)
bool isUri(std::string_view s)
{
if (s.compare(0, 8, "channel:") == 0) return true;
size_t pos = s.find("://");
if (pos == string::npos) return false;
string scheme(s, 0, pos);
if (pos == std::string::npos) return false;
std::string scheme(s, 0, pos);
return scheme == "http" || scheme == "https" || scheme == "file" || scheme == "channel" || scheme == "git" || scheme == "s3" || scheme == "ssh";
}

8
src/libstore/filetransfer.hh
View file

@ -119,17 +119,17 @@ class FileTransferError : public Error
{
public:
FileTransfer::Error error;
std::optional<string> response; // intentionally optional
std::optional<std::string> response; // intentionally optional
template<typename... Args>
FileTransferError(FileTransfer::Error error, std::optional<string> response, const Args & ... args);
FileTransferError(FileTransfer::Error error, std::optional<std::string> response, const Args & ... args);
virtual const char* sname() const override { return "FileTransferError"; }
};
bool isUri(const string & s);
bool isUri(std::string_view s);
/* Resolve deprecated 'channel:<foo>' URLs. */
std::string resolveUri(const std::string & uri);
std::string resolveUri(std::string_view uri);
}

23
src/libstore/gc.cc
View file

@ -47,9 +47,8 @@ static void makeSymlink(const Path & link, const Path & target)
void LocalStore::addIndirectRoot(const Path & path)
{
string hash = hashString(htSHA1, path).to_string(Base32, false);
Path realRoot = canonPath((format("%1%/%2%/auto/%3%")
% stateDir % gcRootsDir % hash).str());
std::string hash = hashString(htSHA1, path).to_string(Base32, false);
Path realRoot = canonPath(fmt("%1%/%2%/auto/%3%", stateDir, gcRootsDir, hash));
makeSymlink(realRoot, path);
}
@ -162,7 +161,7 @@ void LocalStore::addTempRoot(const StorePath & path)
}
/* Append the store path to the temporary roots file. */
string s = printStorePath(path) + '\0';
auto s = printStorePath(path) + '\0';
writeFull(state->fdTempRoots.get(), s);
}
@ -203,12 +202,12 @@ void LocalStore::findTempRoots(Roots & tempRoots, bool censor)
}
/* Read the entire file. */
string contents = readFile(fd.get());
auto contents = readFile(fd.get());
/* Extract the roots. */
string::size_type pos = 0, end;
std::string::size_type pos = 0, end;
while ((end = contents.find((char) 0, pos)) != string::npos) {
while ((end = contents.find((char) 0, pos)) != std::string::npos) {
Path root(contents, pos, end - pos);
debug("got temporary root '%s'", root);
tempRoots[parseStorePath(root)].emplace(censor ? censored : fmt("{temp:%d}", pid));
@ -305,7 +304,7 @@ Roots LocalStore::findRoots(bool censor)
typedef std::unordered_map<Path, std::unordered_set<std::string>> UncheckedRoots;
static void readProcLink(const string & file, UncheckedRoots & roots)
static void readProcLink(const std::string & file, UncheckedRoots & roots)
{
/* 64 is the starting buffer size gnu readlink uses... */
auto bufsiz = ssize_t{64};
@ -328,7 +327,7 @@ try_again:
.emplace(file);
}
static string quoteRegexChars(const string & raw)
static std::string quoteRegexChars(const std::string & raw)
{
static auto specialRegex = std::regex(R"([.^$\\*+?()\[\]{}|])");
return std::regex_replace(raw, specialRegex, R"(\$&)");
@ -383,7 +382,7 @@ void LocalStore::findRuntimeRoots(Roots & roots, bool censor)
try {
auto mapFile = fmt("/proc/%s/maps", ent->d_name);
auto mapLines = tokenizeString<std::vector<string>>(readFile(mapFile), "\n");
auto mapLines = tokenizeString<std::vector<std::string>>(readFile(mapFile), "\n");
for (const auto & line : mapLines) {
auto match = std::smatch{};
if (std::regex_match(line, match, mapRegex))
@ -784,7 +783,7 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
struct dirent * dirent;
while (errno = 0, dirent = readdir(dir.get())) {
checkInterrupt();
string name = dirent->d_name;
std::string name = dirent->d_name;
if (name == "." || name == ".." || name == linksName) continue;
if (auto storePath = maybeParseStorePath(storeDir + "/" + name))
@ -825,7 +824,7 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
struct dirent * dirent;
while (errno = 0, dirent = readdir(dir.get())) {
checkInterrupt();
string name = dirent->d_name;
std::string name = dirent->d_name;
if (name == "." || name == "..") continue;
Path path = linksDir + "/" + name;

4
src/libstore/globals.cc
View file

@ -100,7 +100,7 @@ std::vector<Path> getUserConfigFiles()
// Use the paths specified in NIX_USER_CONF_FILES if it has been defined
auto nixConfFiles = getEnv("NIX_USER_CONF_FILES");
if (nixConfFiles.has_value()) {
return tokenizeString<std::vector<string>>(nixConfFiles.value(), ":");
return tokenizeString<std::vector<std::string>>(nixConfFiles.value(), ":");
}
// Use the paths specified by the XDG spec
@ -181,7 +181,7 @@ bool Settings::isWSL1()
return hasSuffix(utsbuf.release, "-Microsoft");
}
const string nixVersion = PACKAGE_VERSION;
const std::string nixVersion = PACKAGE_VERSION;
NLOHMANN_JSON_SERIALIZE_ENUM(SandboxMode, {
{SandboxMode::smEnabled, true},

2
src/libstore/globals.hh
View file

@ -988,6 +988,6 @@ void loadConfFile();
// Used by the Settings constructor
std::vector<Path> getUserConfigFiles();
extern const string nixVersion;
extern const std::string nixVersion;
}

22
src/libstore/legacy-ssh-store.cc
View file

@ -48,7 +48,7 @@ struct LegacySSHStore : public virtual LegacySSHStoreConfig, public virtual Stor
static std::set<std::string> uriSchemes() { return {"ssh"}; }
LegacySSHStore(const string & scheme, const string & host, const Params & params)
LegacySSHStore(const std::string & scheme, const std::string & host, const Params & params)
: StoreConfig(params)
, LegacySSHStoreConfig(params)
, Store(params)
@ -107,7 +107,7 @@ struct LegacySSHStore : public virtual LegacySSHStoreConfig, public virtual Stor
return conn;
};
string getUri() override
std::string getUri() override
{
return *uriSchemes().begin() + "://" + host;
}
@ -225,13 +225,21 @@ struct LegacySSHStore : public virtual LegacySSHStoreConfig, public virtual Stor
std::optional<StorePath> queryPathFromHashPart(const std::string & hashPart) override
{ unsupported("queryPathFromHashPart"); }
StorePath addToStore(const string & name, const Path & srcPath,
FileIngestionMethod method, HashType hashAlgo,
PathFilter & filter, RepairFlag repair, const StorePathSet & references) override
StorePath addToStore(
std::string_view name,
const Path & srcPath,
FileIngestionMethod method,
HashType hashAlgo,
PathFilter & filter,
RepairFlag repair,
const StorePathSet & references) override
{ unsupported("addToStore"); }
StorePath addTextToStore(const string & name, const string & s,
const StorePathSet & references, RepairFlag repair) override
StorePath addTextToStore(
std::string_view name,
std::string_view s,
const StorePathSet & references,
RepairFlag repair) override
{ unsupported("addTextToStore"); }
private:

2
src/libstore/local-fs-store.cc
View file

@ -85,7 +85,7 @@ void LocalFSStore::narFromPath(const StorePath & path, Sink & sink)
dumpPath(getRealStoreDir() + std::string(printStorePath(path), storeDir.size()), sink);
}
const string LocalFSStore::drvsLogDir = "drvs";
const std::string LocalFSStore::drvsLogDir = "drvs";
std::optional<std::string> LocalFSStore::getBuildLog(const StorePath & path_)
{

2
src/libstore/local-fs-store.hh
View file

@ -27,7 +27,7 @@ class LocalFSStore : public virtual LocalFSStoreConfig, public virtual Store
{
public:
const static string drvsLogDir;
const static std::string drvsLogDir;
LocalFSStore(const Params & params);

29
src/libstore/local-store.cc
View file

@ -70,7 +70,7 @@ int getSchema(Path schemaPath)
{
int curSchema = 0;
if (pathExists(schemaPath)) {
string s = readFile(schemaPath);
auto s = readFile(schemaPath);
auto n = string2Int<int>(s);
if (!n)
throw Error("'%1%' is corrupt", schemaPath);
@ -239,7 +239,7 @@ LocalStore::LocalStore(const Params & params)
res = posix_fallocate(fd.get(), 0, settings.reservedSize);
#endif
if (res == -1) {
writeFull(fd.get(), string(settings.reservedSize, 'X'));
writeFull(fd.get(), std::string(settings.reservedSize, 'X'));
[[gnu::unused]] auto res2 = ftruncate(fd.get(), settings.reservedSize);
}
}
@ -450,7 +450,7 @@ void LocalStore::openDB(State & state, bool create)
throw SysError("Nix database directory '%1%' is not writable", dbDir);
/* Open the Nix database. */
string dbPath = dbDir + "/db.sqlite";
std::string dbPath = dbDir + "/db.sqlite";
auto & db(state.db);
state.db = SQLite(dbPath, create);
@ -471,19 +471,19 @@ void LocalStore::openDB(State & state, bool create)
should be safe enough. If the user asks for it, don't sync at
all. This can cause database corruption if the system
crashes. */
string syncMode = settings.fsyncMetadata ? "normal" : "off";
std::string syncMode = settings.fsyncMetadata ? "normal" : "off";
db.exec("pragma synchronous = " + syncMode);
/* Set the SQLite journal mode. WAL mode is fastest, so it's the
default. */
string mode = settings.useSQLiteWAL ? "wal" : "truncate";
string prevMode;
std::string mode = settings.useSQLiteWAL ? "wal" : "truncate";
std::string prevMode;
{
SQLiteStmt stmt;
stmt.create(db, "pragma main.journal_mode;");
if (sqlite3_step(stmt) != SQLITE_ROW)
throwSQLiteError(db, "querying journal mode");
prevMode = string((const char *) sqlite3_column_text(stmt, 0));
prevMode = std::string((const char *) sqlite3_column_text(stmt, 0));
}
if (prevMode != mode &&
sqlite3_exec(db, ("pragma main.journal_mode = " + mode + ";").c_str(), 0, 0, 0) != SQLITE_OK)
@ -679,7 +679,7 @@ void LocalStore::checkDerivationOutputs(const StorePath & drvPath, const Derivat
{
assert(drvPath.isDerivation());
std::string drvName(drvPath.name());
drvName = string(drvName, 0, drvName.size() - drvExtension.size());
drvName = drvName.substr(0, drvName.size() - drvExtension.size());
auto envHasRightPath = [&](const StorePath & actual, const std::string & varName)
{
@ -786,7 +786,11 @@ void LocalStore::registerDrvOutput(const Realisation & info)
});
}
void LocalStore::cacheDrvOutputMapping(State & state, const uint64_t deriver, const string & outputName, const StorePath & output)
void LocalStore::cacheDrvOutputMapping(
State & state,
const uint64_t deriver,
const std::string & outputName,
const StorePath & output)
{
retrySQLite<void>([&]() {
state.stmts->AddDerivationOutput.use()
@ -795,7 +799,6 @@ void LocalStore::cacheDrvOutputMapping(State & state, const uint64_t deriver, co
(printStorePath(output))
.exec();
});
}
@ -1436,7 +1439,9 @@ StorePath LocalStore::addToStoreFromDump(Source & source0, std::string_view name
}
StorePath LocalStore::addTextToStore(const string & name, const string & s,
StorePath LocalStore::addTextToStore(
std::string_view name,
std::string_view s,
const StorePathSet & references, RepairFlag repair)
{
auto hash = hashString(htSHA256, s);
@ -1548,7 +1553,7 @@ bool LocalStore::verifyStore(bool checkContents, RepairFlag repair)
for (auto & link : readDirectory(linksDir)) {
printMsg(lvlTalkative, "checking contents of '%s'", link.name);
Path linkPath = linksDir + "/" + link.name;
string hash = hashPath(htSHA256, linkPath).first.to_string(Base32, false);
std::string hash = hashPath(htSHA256, linkPath).first.to_string(Base32, false);
if (hash != link.name) {
printError("link '%s' was modified! expected hash '%s', got '%s'",
linkPath, link.name, hash);

13
src/libstore/local-store.hh
View file

@ -147,8 +147,11 @@ public:
StorePath addToStoreFromDump(Source & dump, std::string_view name,
FileIngestionMethod method, HashType hashAlgo, RepairFlag repair, const StorePathSet & references) override;
StorePath addTextToStore(const string & name, const string & s,
const StorePathSet & references, RepairFlag repair) override;
StorePath addTextToStore(
std::string_view name,
std::string_view s,
const StorePathSet & references,
RepairFlag repair) override;
void addTempRoot(const StorePath & path) override;
@ -204,7 +207,11 @@ public:
derivation 'deriver'. */
void registerDrvOutput(const Realisation & info) override;
void registerDrvOutput(const Realisation & info, CheckSigsFlag checkSigs) override;
void cacheDrvOutputMapping(State & state, const uint64_t deriver, const string & outputName, const StorePath & output);
void cacheDrvOutputMapping(
State & state,
const uint64_t deriver,
const std::string & outputName,
const StorePath & output);
std::optional<const Realisation> queryRealisation_(State & state, const DrvOutput & id);
std::optional<std::pair<int64_t, Realisation>> queryRealisationCore_(State & state, const DrvOutput & id);

4
src/libstore/lock.hh
View file

@ -13,7 +13,7 @@ private:
AutoCloseFD fdUserLock;
bool isEnabled = false;
string user;
std::string user;
uid_t uid = 0;
gid_t gid = 0;
std::vector<gid_t> supplementaryGIDs;
@ -23,7 +23,7 @@ public:
void kill();
string getUser() { return user; }
std::string getUser() { return user; }
uid_t getUID() { assert(uid); return uid; }
uid_t getGID() { assert(gid); return gid; }
std::vector<gid_t> getSupplementaryGIDs() { return supplementaryGIDs; }

21
src/libstore/machines.cc
View file

@ -39,19 +39,19 @@ Machine::Machine(decltype(storeUri) storeUri,
sshPublicHostKey(sshPublicHostKey)
{}
bool Machine::allSupported(const std::set<string> & features) const
bool Machine::allSupported(const std::set<std::string> & features) const
{
return std::all_of(features.begin(), features.end(),
[&](const string & feature) {
[&](const std::string & feature) {
return supportedFeatures.count(feature) ||
mandatoryFeatures.count(feature);
});
}
bool Machine::mandatoryMet(const std::set<string> & features) const
bool Machine::mandatoryMet(const std::set<std::string> & features) const
{
return std::all_of(mandatoryFeatures.begin(), mandatoryFeatures.end(),
[&](const string & feature) {
[&](const std::string & feature) {
return features.count(feature);
});
}
@ -89,7 +89,7 @@ ref<Store> Machine::openStore() const
static std::vector<std::string> expandBuilderLines(const std::string & builders)
{
std::vector<std::string> result;
for (auto line : tokenizeString<std::vector<string>>(builders, "\n;")) {
for (auto line : tokenizeString<std::vector<std::string>>(builders, "\n;")) {
trim(line);
line.erase(std::find(line.begin(), line.end(), '#'), line.end());
if (line.empty()) continue;
@ -117,7 +117,7 @@ static std::vector<std::string> expandBuilderLines(const std::string & builders)
static Machine parseBuilderLine(const std::string & line)
{
const auto tokens = tokenizeString<std::vector<string>>(line);
const auto tokens = tokenizeString<std::vector<std::string>>(line);
auto isSet = [&](size_t fieldIndex) {
return tokens.size() > fieldIndex && tokens[fieldIndex] != "" && tokens[fieldIndex] != "-";
@ -146,17 +146,18 @@ static Machine parseBuilderLine(const std::string & line)
return {
tokens[0],
isSet(1) ? tokenizeString<std::vector<string>>(tokens[1], ",") : std::vector<string>{settings.thisSystem},
isSet(1) ? tokenizeString<std::vector<std::string>>(tokens[1], ",") : std::vector<std::string>{settings.thisSystem},
isSet(2) ? tokens[2] : "",
isSet(3) ? parseUnsignedIntField(3) : 1U,
isSet(4) ? parseUnsignedIntField(4) : 1U,
isSet(5) ? tokenizeString<std::set<string>>(tokens[5], ",") : std::set<string>{},
isSet(6) ? tokenizeString<std::set<string>>(tokens[6], ",") : std::set<string>{},
isSet(5) ? tokenizeString<std::set<std::string>>(tokens[5], ",") : std::set<std::string>{},
isSet(6) ? tokenizeString<std::set<std::string>>(tokens[6], ",") : std::set<std::string>{},
isSet(7) ? ensureBase64(7) : ""
};
}
static Machines parseBuilderLines(const std::vector<std::string>& builders) {
static Machines parseBuilderLines(const std::vector<std::string> & builders)
{
Machines result;
std::transform(builders.begin(), builders.end(), std::back_inserter(result), parseBuilderLine);
return result;

2
src/libstore/nar-accessor.cc
View file

@ -90,7 +90,7 @@ struct NarAccessor : public FSAccessor
void receiveContents(std::string_view data) override
{ }
void createSymlink(const Path & path, const string & target) override
void createSymlink(const Path & path, const std::string & target) override
{
createMember(path,
NarMember{FSAccessor::Type::tSymlink, false, 0, 0, target});

2
src/libstore/nar-info.cc
View file

@ -11,7 +11,7 @@ NarInfo::NarInfo(const Store & store, const std::string & s, const std::string &
return Error("NAR info file '%1%' is corrupt", whence);
};
auto parseHashField = [&](const string & s) {
auto parseHashField = [&](const std::string & s) {
try {
return Hash::parseAnyPrefixed(s);
} catch (BadHash &) {

2
src/libstore/optimise-store.cc
View file

@ -77,7 +77,7 @@ Strings LocalStore::readDirectoryIgnoringInodes(const Path & path, const InodeHa
continue;
}
string name = dirent->d_name;
std::string name = dirent->d_name;
if (name == "." || name == "..") continue;
names.push_back(name);
}

4
src/libstore/path-with-outputs.cc
View file

@ -49,9 +49,9 @@ std::pair<std::string_view, StringSet> parsePathWithOutputs(std::string_view s)
{
size_t n = s.find("!");
return n == s.npos
? std::make_pair(s, std::set<string>())
? std::make_pair(s, std::set<std::string>())
: std::make_pair(((std::string_view) s).substr(0, n),
tokenizeString<std::set<string>>(((std::string_view) s).substr(n + 1), ","));
tokenizeString<std::set<std::string>>(((std::string_view) s).substr(n + 1), ","));
}

2
src/libstore/path.hh
View file

@ -62,7 +62,7 @@ public:
typedef std::set<StorePath> StorePathSet;
typedef std::vector<StorePath> StorePaths;
typedef std::map<string, StorePath> OutputPathMap;
typedef std::map<std::string, StorePath> OutputPathMap;
typedef std::map<StorePath, std::optional<ContentAddress>> StorePathCAMap;

4
src/libstore/pathlocks.cc
View file

@ -74,7 +74,7 @@ PathLocks::PathLocks()
}
PathLocks::PathLocks(const PathSet & paths, const string & waitMsg)
PathLocks::PathLocks(const PathSet & paths, const std::string & waitMsg)
: deletePaths(false)
{
lockPaths(paths, waitMsg);
@ -82,7 +82,7 @@ PathLocks::PathLocks(const PathSet & paths, const string & waitMsg)
bool PathLocks::lockPaths(const PathSet & paths,
const string & waitMsg, bool wait)
const std::string & waitMsg, bool wait)
{
assert(fds.empty());

4
src/libstore/pathlocks.hh
View file

@ -26,9 +26,9 @@ private:
public:
PathLocks();
PathLocks(const PathSet & paths,
const string & waitMsg = "");
const std::string & waitMsg = "");
bool lockPaths(const PathSet & _paths,
const string & waitMsg = "",
const std::string & waitMsg = "",
bool wait = true);
~PathLocks();
void unlock();

16
src/libstore/profiles.cc
View file

@ -15,12 +15,12 @@ namespace nix {
/* Parse a generation name of the format
`<profilename>-<number>-link'. */
static std::optional<GenerationNumber> parseName(const string & profileName, const string & name)
static std::optional<GenerationNumber> parseName(const std::string & profileName, const std::string & name)
{
if (string(name, 0, profileName.size() + 1) != profileName + "-") return {};
string s = string(name, profileName.size() + 1);
string::size_type p = s.find("-link");
if (p == string::npos) return {};
if (name.substr(0, profileName.size() + 1) != profileName + "-") return {};
auto s = name.substr(profileName.size() + 1);
auto p = s.find("-link");
if (p == std::string::npos) return {};
if (auto n = string2Int<unsigned int>(s.substr(0, p)))
return *n;
else
@ -209,13 +209,13 @@ void deleteGenerationsOlderThan(const Path & profile, time_t t, bool dryRun)
}
void deleteGenerationsOlderThan(const Path & profile, const string & timeSpec, bool dryRun)
void deleteGenerationsOlderThan(const Path & profile, std::string_view timeSpec, bool dryRun)
{
if (timeSpec.empty() || timeSpec[timeSpec.size() - 1] != 'd')
throw UsageError("invalid number of days specifier '%1%', expected something like '14d'", timeSpec);
time_t curTime = time(0);
string strDays = string(timeSpec, 0, timeSpec.size() - 1);
auto strDays = timeSpec.substr(0, timeSpec.size() - 1);
auto days = string2Int<int>(strDays);
if (!days || *days < 1)
@ -274,7 +274,7 @@ void lockProfile(PathLocks & lock, const Path & profile)
}
string optimisticLockProfile(const Path & profile)
std::string optimisticLockProfile(const Path & profile)
{
return pathExists(profile) ? readLink(profile) : "";
}

4
src/libstore/profiles.hh
View file

@ -42,7 +42,7 @@ void deleteOldGenerations(const Path & profile, bool dryRun);
void deleteGenerationsOlderThan(const Path & profile, time_t t, bool dryRun);
void deleteGenerationsOlderThan(const Path & profile, const string & timeSpec, bool dryRun);
void deleteGenerationsOlderThan(const Path & profile, std::string_view timeSpec, bool dryRun);
void switchLink(Path link, Path target);
@ -66,7 +66,7 @@ void lockProfile(PathLocks & lock, const Path & profile);
generally cheap, since the build results are still in the Nix
store. Most of the time, only the user environment has to be
rebuilt. */
string optimisticLockProfile(const Path & profile);
std::string optimisticLockProfile(const Path & profile);
/* Resolve ~/.nix-profile. If ~/.nix-profile doesn't exist yet, create
it. */

4
src/libstore/references.cc
View file

@ -68,7 +68,7 @@ void RefScanSink::operator () (std::string_view data)
std::pair<StorePathSet, HashResult> scanForReferences(
const string & path,
const std::string & path,
const StorePathSet & refs)
{
HashSink hashSink { htSHA256 };
@ -121,7 +121,7 @@ void RewritingSink::operator () (std::string_view data)
s.append(data);
size_t j = 0;
while ((j = s.find(from, j)) != string::npos) {
while ((j = s.find(from, j)) != std::string::npos) {
matches.push_back(pos + j);
s.replace(j, from.size(), to);
}

11
src/libstore/remote-store.cc
View file

@ -661,8 +661,11 @@ void RemoteStore::addMultipleToStore(
}
StorePath RemoteStore::addTextToStore(const string & name, const string & s,
const StorePathSet & references, RepairFlag repair)
StorePath RemoteStore::addTextToStore(
std::string_view name,
std::string_view s,
const StorePathSet & references,
RepairFlag repair)
{
StringSource source(s);
return addCAToStore(source, name, TextHashMethod{}, references, repair)->path;
@ -1000,7 +1003,7 @@ std::exception_ptr RemoteStore::Connection::processStderr(Sink * sink, Source *
auto msg = readNum<uint64_t>(from);
if (msg == STDERR_WRITE) {
string s = readString(from);
auto s = readString(from);
if (!sink) throw Error("no sink");
(*sink)(s);
}
@ -1017,7 +1020,7 @@ std::exception_ptr RemoteStore::Connection::processStderr(Sink * sink, Source *
if (GET_PROTOCOL_MINOR(daemonVersion) >= 26) {
return std::make_exception_ptr(readError(from));
} else {
string error = readString(from);
auto error = readString(from);
unsigned int status = readInt(from);
return std::make_exception_ptr(Error(status, error));
}

7
src/libstore/remote-store.hh
View file

@ -83,8 +83,11 @@ public:
RepairFlag repair,
CheckSigsFlag checkSigs) override;
StorePath addTextToStore(const string & name, const string & s,
const StorePathSet & references, RepairFlag repair) override;
StorePath addTextToStore(
std::string_view name,
std::string_view s,
const StorePathSet & references,
RepairFlag repair) override;
void registerDrvOutput(const Realisation & info) override;

11
src/libstore/s3-binary-cache-store.cc
View file

@ -87,7 +87,11 @@ static void initAWS()
});
}
S3Helper::S3Helper(const string & profile, const string & region, const string & scheme, const string & endpoint)
S3Helper::S3Helper(
const std::string & profile,
const std::string & region,
const std::string & scheme,
const std::string & endpoint)
: config(makeConfig(region, scheme, endpoint))
, client(make_ref<Aws::S3::S3Client>(
profile == ""
@ -121,7 +125,10 @@ class RetryStrategy : public Aws::Client::DefaultRetryStrategy
}
};
ref<Aws::Client::ClientConfiguration> S3Helper::makeConfig(const string & region, const string & scheme, const string & endpoint)
ref<Aws::Client::ClientConfiguration> S3Helper::makeConfig(
const std::string & region,
const std::string & scheme,
const std::string & endpoint)
{
initAWS();
auto res = make_ref<Aws::Client::ClientConfiguration>();

2
src/libstore/sqlite.cc
View file

@ -71,7 +71,7 @@ uint64_t SQLite::getLastInsertedRowId()
return sqlite3_last_insert_rowid(db);
}
void SQLiteStmt::create(sqlite3 * db, const string & sql)
void SQLiteStmt::create(sqlite3 * db, const std::string & sql)
{
checkInterrupt();
assert(!stmt);

2
src/libstore/ssh.cc
View file

@ -29,7 +29,7 @@ void SSHMaster::addCommonSSHOpts(Strings & args)
if (!sshPublicHostKey.empty()) {
Path fileName = (Path) *state->tmpDir + "/host-key";
auto p = host.rfind("@");
string thost = p != string::npos ? string(host, p + 1) : host;
std::string thost = p != std::string::npos ? std::string(host, p + 1) : host;
writeFile(fileName, thost + " " + base64Decode(sshPublicHostKey) + "\n");
args.insert(args.end(), {"-oUserKnownHostsFile=" + fileName});
}

32
src/libstore/store-api.cc
View file

@ -39,7 +39,7 @@ Path Store::followLinksToStore(std::string_view _path) const
Path path = absPath(std::string(_path));
while (!isInStore(path)) {
if (!isLink(path)) break;
string target = readLink(path);
auto target = readLink(path);
path = absPath(target, dirOf(path));
}
if (!isInStore(path))
@ -138,8 +138,8 @@ StorePath Store::makeStorePath(std::string_view type,
std::string_view hash, std::string_view name) const
{
/* e.g., "source:sha256:1abc...:/nix/store:foo.tar.gz" */
string s = std::string { type } + ":" + std::string { hash }
+ ":" + storeDir + ":" + std::string { name };
auto s = std::string(type) + ":" + std::string(hash)
+ ":" + storeDir + ":" + std::string(name);
auto h = compressHash(hashString(htSHA256, s), 20);
return StorePath(h, name);
}
@ -161,7 +161,7 @@ StorePath Store::makeOutputPath(std::string_view id,
static std::string makeType(
const Store & store,
string && type,
std::string && type,
const StorePathSet & references,
bool hasSelfReference = false)
{
@ -229,15 +229,23 @@ std::pair<StorePath, Hash> Store::computeStorePathForPath(std::string_view name,
}
StorePath Store::computeStorePathForText(const string & name, const string & s,
StorePath Store::computeStorePathForText(
std::string_view name,
std::string_view s,
const StorePathSet & references) const
{
return makeTextPath(name, hashString(htSHA256, s), references);
}
StorePath Store::addToStore(const string & name, const Path & _srcPath,
FileIngestionMethod method, HashType hashAlgo, PathFilter & filter, RepairFlag repair, const StorePathSet & references)
StorePath Store::addToStore(
std::string_view name,
const Path & _srcPath,
FileIngestionMethod method,
HashType hashAlgo,
PathFilter & filter,
RepairFlag repair,
const StorePathSet & references)
{
Path srcPath(absPath(_srcPath));
auto source = sinkToSource([&](Sink & sink) {
@ -688,10 +696,10 @@ StorePathSet Store::queryValidPaths(const StorePathSet & paths, SubstituteFlag m
/* Return a string accepted by decodeValidPathInfo() that
registers the specified paths as valid. Note: it's the
responsibility of the caller to provide a closure. */
string Store::makeValidityRegistration(const StorePathSet & paths,
std::string Store::makeValidityRegistration(const StorePathSet & paths,
bool showDerivers, bool showHash)
{
string s = "";
std::string s = "";
for (auto & i : paths) {
s += printStorePath(i) + "\n";
@ -1131,7 +1139,7 @@ std::optional<ValidPathInfo> decodeValidPathInfo(const Store & store, std::istre
getline(str, path);
if (str.eof()) { return {}; }
if (!hashGiven) {
string s;
std::string s;
getline(str, s);
auto narHash = Hash::parseAny(s, htSHA256);
getline(str, s);
@ -1144,7 +1152,7 @@ std::optional<ValidPathInfo> decodeValidPathInfo(const Store & store, std::istre
std::string deriver;
getline(str, deriver);
if (deriver != "") info.deriver = store.parseStorePath(deriver);
string s;
std::string s;
getline(str, s);
auto n = string2Int<int>(s);
if (!n) throw Error("number expected");
@ -1168,7 +1176,7 @@ std::string Store::showPaths(const StorePathSet & paths)
}
string showPaths(const PathSet & paths)
std::string showPaths(const PathSet & paths)
{
return concatStringsSep(", ", quoteStrings(paths));
}

26
src/libstore/store-api.hh
View file

@ -352,7 +352,9 @@ public:
simply yield a different store path, so other users wouldn't be
affected), but it has some backwards compatibility issues (the
hashing scheme changes), so I'm not doing that for now. */
StorePath computeStorePathForText(const string & name, const string & s,
StorePath computeStorePathForText(
std::string_view name,
std::string_view s,
const StorePathSet & references) const;
/* Check whether a path is valid. */
@ -482,9 +484,14 @@ public:
validity the resulting path. The resulting path is returned.
The function object `filter' can be used to exclude files (see
libutil/archive.hh). */
virtual StorePath addToStore(const string & name, const Path & srcPath,
FileIngestionMethod method = FileIngestionMethod::Recursive, HashType hashAlgo = htSHA256,
PathFilter & filter = defaultPathFilter, RepairFlag repair = NoRepair, const StorePathSet & references = StorePathSet());
virtual StorePath addToStore(
std::string_view name,
const Path & srcPath,
FileIngestionMethod method = FileIngestionMethod::Recursive,
HashType hashAlgo = htSHA256,
PathFilter & filter = defaultPathFilter,
RepairFlag repair = NoRepair,
const StorePathSet & references = StorePathSet());
/* Copy the contents of a path to the store and register the
validity the resulting path, using a constant amount of
@ -506,8 +513,11 @@ public:
/* Like addToStore, but the contents written to the output path is
a regular file containing the given string. */
virtual StorePath addTextToStore(const string & name, const string & s,
const StorePathSet & references, RepairFlag repair = NoRepair) = 0;
virtual StorePath addTextToStore(
std::string_view name,
std::string_view s,
const StorePathSet & references,
RepairFlag repair = NoRepair) = 0;
/**
* Add a mapping indicating that `deriver!outputName` maps to the output path
@ -608,7 +618,7 @@ public:
/* Return a string representing information about the path that
can be loaded into the database using `nix-store --load-db' or
`nix-store --register-validity'. */
string makeValidityRegistration(const StorePathSet & paths,
std::string makeValidityRegistration(const StorePathSet & paths,
bool showDerivers, bool showHash);
/* Write a JSON representation of store path metadata, such as the
@ -910,7 +920,7 @@ struct RegisterStoreImplementation
/* Display a set of paths in human-readable form (i.e., between quotes
and separated by commas). */
string showPaths(const PathSet & paths);
std::string showPaths(const PathSet & paths);
std::optional<ValidPathInfo> decodeValidPathInfo(