diff options
Diffstat (limited to 'src/libutil')
-rw-r--r-- | src/libutil/ansicolor.hh | 2 | ||||
-rw-r--r-- | src/libutil/args.cc | 1 | ||||
-rw-r--r-- | src/libutil/args.hh | 16 | ||||
-rw-r--r-- | src/libutil/compression.cc | 2 | ||||
-rw-r--r-- | src/libutil/error.cc | 10 | ||||
-rw-r--r-- | src/libutil/fmt.hh | 2 | ||||
-rw-r--r-- | src/libutil/local.mk | 2 | ||||
-rw-r--r-- | src/libutil/logging.cc | 4 | ||||
-rw-r--r-- | src/libutil/ref.hh | 43 | ||||
-rw-r--r-- | src/libutil/serialise.cc | 3 | ||||
-rw-r--r-- | src/libutil/tarfile.cc | 33 | ||||
-rw-r--r-- | src/libutil/tarfile.hh | 3 | ||||
-rw-r--r-- | src/libutil/tests/logging.cc | 4 | ||||
-rw-r--r-- | src/libutil/util.cc | 35 | ||||
-rw-r--r-- | src/libutil/util.hh | 14 |
15 files changed, 109 insertions, 65 deletions
diff --git a/src/libutil/ansicolor.hh b/src/libutil/ansicolor.hh index ae741f867..38305e71c 100644 --- a/src/libutil/ansicolor.hh +++ b/src/libutil/ansicolor.hh @@ -9,7 +9,7 @@ namespace nix { #define ANSI_ITALIC "\e[3m" #define ANSI_RED "\e[31;1m" #define ANSI_GREEN "\e[32;1m" -#define ANSI_YELLOW "\e[33;1m" +#define ANSI_WARNING "\e[35;1m" #define ANSI_BLUE "\e[34;1m" #define ANSI_MAGENTA "\e[35;1m" #define ANSI_CYAN "\e[36;1m" diff --git a/src/libutil/args.cc b/src/libutil/args.cc index afed0670f..9df279faf 100644 --- a/src/libutil/args.cc +++ b/src/libutil/args.cc @@ -331,6 +331,7 @@ MultiCommand::MultiCommand(const Commands & commands_) if (i == commands.end()) throw UsageError("'%s' is not a recognised command", s); command = {s, i->second()}; + command->second->parent = this; }} }); diff --git a/src/libutil/args.hh b/src/libutil/args.hh index c08ba8abd..7521b3065 100644 --- a/src/libutil/args.hh +++ b/src/libutil/args.hh @@ -12,6 +12,8 @@ namespace nix { enum HashType : char; +class MultiCommand; + class Args { public: @@ -89,6 +91,14 @@ protected: }) , arity(1) { } + + template<class I> + Handler(std::optional<I> * dest) + : fun([=](std::vector<std::string> ss) { + *dest = string2IntWithUnitPrefix<I>(ss[0]); + }) + , arity(1) + { } }; /* Options. */ @@ -169,11 +179,13 @@ public: virtual nlohmann::json toJSON(); friend class MultiCommand; + + MultiCommand * parent = nullptr; }; /* A command is an argument parser that can be executed by calling its run() method. */ -struct Command : virtual Args +struct Command : virtual public Args { friend class MultiCommand; @@ -193,7 +205,7 @@ typedef std::map<std::string, std::function<ref<Command>()>> Commands; /* An argument parser that supports multiple subcommands, i.e. ‘<command> <subcommand>’. */ -class MultiCommand : virtual Args +class MultiCommand : virtual public Args { public: Commands commands; diff --git a/src/libutil/compression.cc b/src/libutil/compression.cc index 7e725cae1..d26f68fde 100644 --- a/src/libutil/compression.cc +++ b/src/libutil/compression.cc @@ -12,8 +12,6 @@ #include <brotli/decode.h> #include <brotli/encode.h> -#include <zlib.h> - #include <iostream> namespace nix { diff --git a/src/libutil/error.cc b/src/libutil/error.cc index 0eea3455d..203d79087 100644 --- a/src/libutil/error.cc +++ b/src/libutil/error.cc @@ -185,15 +185,15 @@ void printAtPos(const ErrPos & pos, std::ostream & out) if (pos) { switch (pos.origin) { case foFile: { - out << fmt(ANSI_BLUE "at " ANSI_YELLOW "%s:%s" ANSI_NORMAL ":", pos.file, showErrPos(pos)); + out << fmt(ANSI_BLUE "at " ANSI_WARNING "%s:%s" ANSI_NORMAL ":", pos.file, showErrPos(pos)); break; } case foString: { - out << fmt(ANSI_BLUE "at " ANSI_YELLOW "«string»:%s" ANSI_NORMAL ":", showErrPos(pos)); + out << fmt(ANSI_BLUE "at " ANSI_WARNING "«string»:%s" ANSI_NORMAL ":", showErrPos(pos)); break; } case foStdin: { - out << fmt(ANSI_BLUE "at " ANSI_YELLOW "«stdin»:%s" ANSI_NORMAL ":", showErrPos(pos)); + out << fmt(ANSI_BLUE "at " ANSI_WARNING "«stdin»:%s" ANSI_NORMAL ":", showErrPos(pos)); break; } default: @@ -232,7 +232,7 @@ std::ostream & showErrorInfo(std::ostream & out, const ErrorInfo & einfo, bool s break; } case Verbosity::lvlWarn: { - prefix = ANSI_YELLOW "warning"; + prefix = ANSI_WARNING "warning"; break; } case Verbosity::lvlInfo: { @@ -252,7 +252,7 @@ std::ostream & showErrorInfo(std::ostream & out, const ErrorInfo & einfo, bool s break; } case Verbosity::lvlDebug: { - prefix = ANSI_YELLOW "debug"; + prefix = ANSI_WARNING "debug"; break; } default: diff --git a/src/libutil/fmt.hh b/src/libutil/fmt.hh index 85c0e9429..fd335b811 100644 --- a/src/libutil/fmt.hh +++ b/src/libutil/fmt.hh @@ -82,7 +82,7 @@ struct yellowtxt template <class T> std::ostream & operator<<(std::ostream & out, const yellowtxt<T> & y) { - return out << ANSI_YELLOW << y.value << ANSI_NORMAL; + return out << ANSI_WARNING << y.value << ANSI_NORMAL; } template <class T> diff --git a/src/libutil/local.mk b/src/libutil/local.mk index 3a6415ee3..f880c0fc5 100644 --- a/src/libutil/local.mk +++ b/src/libutil/local.mk @@ -6,7 +6,7 @@ libutil_DIR := $(d) libutil_SOURCES := $(wildcard $(d)/*.cc) -libutil_LDFLAGS = -pthread $(OPENSSL_LIBS) $(LIBBROTLI_LIBS) $(LIBARCHIVE_LIBS) $(BOOST_LDFLAGS) -lboost_context +libutil_LDFLAGS += -pthread $(OPENSSL_LIBS) $(LIBBROTLI_LIBS) $(LIBARCHIVE_LIBS) $(BOOST_LDFLAGS) -lboost_context ifeq ($(HAVE_LIBCPUID), 1) libutil_LDFLAGS += -lcpuid diff --git a/src/libutil/logging.cc b/src/libutil/logging.cc index 6b9b850ca..f8a121ed1 100644 --- a/src/libutil/logging.cc +++ b/src/libutil/logging.cc @@ -27,7 +27,7 @@ Logger * logger = makeSimpleLogger(true); void Logger::warn(const std::string & msg) { - log(lvlWarn, ANSI_YELLOW "warning:" ANSI_NORMAL " " + msg); + log(lvlWarn, ANSI_WARNING "warning:" ANSI_NORMAL " " + msg); } void Logger::writeToStdout(std::string_view s) @@ -163,7 +163,7 @@ struct JSONLogger : Logger { void write(const nlohmann::json & json) { - prevLogger.log(lvlError, "@nix " + json.dump()); + prevLogger.log(lvlError, "@nix " + json.dump(-1, ' ', false, nlohmann::json::error_handler_t::replace)); } void log(Verbosity lvl, const FormatOrString & fs) override diff --git a/src/libutil/ref.hh b/src/libutil/ref.hh index 2549ef496..d6bf53bb8 100644 --- a/src/libutil/ref.hh +++ b/src/libutil/ref.hh @@ -99,4 +99,47 @@ make_ref(Args&&... args) return ref<T>(p); } + +/* A non-nullable pointer. + This is similar to a C++ "& reference", but mutable. + This is similar to ref<T> but backed by a regular pointer instead of a smart pointer. + */ +template<typename T> +class ptr { +private: + T * p; + +public: + ptr<T>(const ptr<T> & r) + : p(r.p) + { } + + explicit ptr<T>(T * p) + : p(p) + { + if (!p) + throw std::invalid_argument("null pointer cast to ptr"); + } + + T* operator ->() const + { + return &*p; + } + + T& operator *() const + { + return *p; + } + + bool operator == (const ptr<T> & other) const + { + return p == other.p; + } + + bool operator != (const ptr<T> & other) const + { + return p != other.p; + } +}; + } diff --git a/src/libutil/serialise.cc b/src/libutil/serialise.cc index 374b48d79..16f3476c2 100644 --- a/src/libutil/serialise.cc +++ b/src/libutil/serialise.cc @@ -244,7 +244,8 @@ std::unique_ptr<FinishSink> sourceToSink(std::function<void(Source &)> fun) if (!cur.empty()) (*coro)(false); } - void finish() { + void finish() override + { if (!coro) return; if (!*coro) abort(); (*coro)(true); diff --git a/src/libutil/tarfile.cc b/src/libutil/tarfile.cc index 24905130d..50e691a3d 100644 --- a/src/libutil/tarfile.cc +++ b/src/libutil/tarfile.cc @@ -39,32 +39,30 @@ void TarArchive::check(int err, const std::string & reason) throw Error(reason, archive_error_string(this->archive)); } -TarArchive::TarArchive(Source & source, bool raw) : buffer(4096) +TarArchive::TarArchive(Source & source, bool raw) + : source(&source), buffer(4096) { - this->archive = archive_read_new(); - this->source = &source; - - if (!raw) { - archive_read_support_filter_all(archive); + init(); + if (!raw) archive_read_support_format_all(archive); - } else { - archive_read_support_filter_all(archive); + else archive_read_support_format_raw(archive); - archive_read_support_format_empty(archive); - } check(archive_read_open(archive, (void *)this, callback_open, callback_read, callback_close), "Failed to open archive (%s)"); } - TarArchive::TarArchive(const Path & path) { - this->archive = archive_read_new(); - - archive_read_support_filter_all(archive); + init(); archive_read_support_format_all(archive); check(archive_read_open_filename(archive, path.c_str(), 16384), "failed to open archive: %s"); } +void TarArchive::init() +{ + archive = archive_read_new(); + archive_read_support_filter_all(archive); +} + void TarArchive::close() { check(archive_read_close(this->archive), "Failed to close archive (%s)"); @@ -87,13 +85,16 @@ static void extract_archive(TarArchive & archive, const Path & destDir) struct archive_entry * entry; int r = archive_read_next_header(archive.archive, &entry); if (r == ARCHIVE_EOF) break; - else if (r == ARCHIVE_WARN) + auto name = archive_entry_pathname(entry); + if (!name) + throw Error("cannot get archive member name: %s", archive_error_string(archive.archive)); + if (r == ARCHIVE_WARN) warn(archive_error_string(archive.archive)); else archive.check(r); archive_entry_set_pathname(entry, - (destDir + "/" + archive_entry_pathname(entry)).c_str()); + (destDir + "/" + name).c_str()); archive.check(archive_read_extract(archive.archive, entry, flags)); } diff --git a/src/libutil/tarfile.hh b/src/libutil/tarfile.hh index 4d9141fd4..f107a7e2e 100644 --- a/src/libutil/tarfile.hh +++ b/src/libutil/tarfile.hh @@ -17,10 +17,13 @@ struct TarArchive { // disable copy constructor TarArchive(const TarArchive &) = delete; + void init(); + void close(); ~TarArchive(); }; + void unpackTarfile(Source & source, const Path & destDir); void unpackTarfile(const Path & tarFile, const Path & destDir); diff --git a/src/libutil/tests/logging.cc b/src/libutil/tests/logging.cc index d990e5499..cef3bd481 100644 --- a/src/libutil/tests/logging.cc +++ b/src/libutil/tests/logging.cc @@ -336,7 +336,7 @@ namespace nix { ASSERT_STREQ( hintfmt("only one arg %1% %2%", "fulfilled").str().c_str(), - "only one arg " ANSI_YELLOW "fulfilled" ANSI_NORMAL " "); + "only one arg " ANSI_WARNING "fulfilled" ANSI_NORMAL " "); } @@ -344,7 +344,7 @@ namespace nix { ASSERT_STREQ( hintfmt("what about this %1% %2%", "%3%", "one", "two").str().c_str(), - "what about this " ANSI_YELLOW "%3%" ANSI_NORMAL " " ANSI_YELLOW "one" ANSI_NORMAL); + "what about this " ANSI_WARNING "%3%" ANSI_NORMAL " " ANSI_YELLOW "one" ANSI_NORMAL); } diff --git a/src/libutil/util.cc b/src/libutil/util.cc index d876315c8..6c7f93d50 100644 --- a/src/libutil/util.cc +++ b/src/libutil/util.cc @@ -4,16 +4,18 @@ #include "finally.hh" #include "serialise.hh" +#include <array> #include <cctype> #include <cerrno> +#include <climits> #include <cstdio> #include <cstdlib> #include <cstring> -#include <climits> +#include <future> #include <iostream> +#include <mutex> #include <sstream> #include <thread> -#include <future> #include <fcntl.h> #include <grp.h> @@ -1032,17 +1034,10 @@ std::vector<char *> stringsToCharPtrs(const Strings & ss) return res; } -// Output = "standard out" output stream string runProgram(Path program, bool searchPath, const Strings & args, const std::optional<std::string> & input) { - RunOptions opts(program, args); - opts.searchPath = searchPath; - // This allows you to refer to a program with a pathname relative to the - // PATH variable. - opts.input = input; - - auto res = runProgram(opts); + auto res = runProgram(RunOptions {.program = program, .searchPath = searchPath, .args = args, .input = input}); if (!statusOk(res.first)) throw ExecError(res.first, fmt("program '%1%' %2%", program, statusToString(res.first))); @@ -1051,9 +1046,8 @@ string runProgram(Path program, bool searchPath, const Strings & args, } // Output = error code + "standard out" output stream -std::pair<int, std::string> runProgram(const RunOptions & options_) +std::pair<int, std::string> runProgram(RunOptions && options) { - RunOptions options(options_); StringSink sink; options.standardOut = &sink; @@ -1447,7 +1441,7 @@ std::string filterANSIEscapes(const std::string & s, bool filterAll, unsigned in static char base64Chars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; - +static std::array<char, 256> base64DecodeChars; string base64Encode(std::string_view s) { @@ -1472,15 +1466,12 @@ string base64Encode(std::string_view s) string base64Decode(std::string_view s) { - bool init = false; - char decode[256]; - if (!init) { - // FIXME: not thread-safe. - memset(decode, -1, sizeof(decode)); + static std::once_flag flag; + std::call_once(flag, [](){ + base64DecodeChars = { (char)-1 }; for (int i = 0; i < 64; i++) - decode[(int) base64Chars[i]] = i; - init = true; - } + base64DecodeChars[(int) base64Chars[i]] = i; + }); string res; unsigned int d = 0, bits = 0; @@ -1489,7 +1480,7 @@ string base64Decode(std::string_view s) if (c == '=') break; if (c == '\n') continue; - char digit = decode[(unsigned char) c]; + char digit = base64DecodeChars[(unsigned char) c]; if (digit == -1) throw Error("invalid character in Base64 string: '%c'", c); diff --git a/src/libutil/util.hh b/src/libutil/util.hh index a8dd4bd47..bee77b53f 100644 --- a/src/libutil/util.hh +++ b/src/libutil/util.hh @@ -276,26 +276,20 @@ string runProgram(Path program, bool searchPath = false, struct RunOptions { + Path program; + bool searchPath = true; + Strings args; std::optional<uid_t> uid; std::optional<uid_t> gid; std::optional<Path> chdir; std::optional<std::map<std::string, std::string>> environment; - Path program; - bool searchPath = true; - Strings args; std::optional<std::string> input; Source * standardIn = nullptr; Sink * standardOut = nullptr; bool mergeStderrToStdout = false; - bool _killStderr = false; - - RunOptions(const Path & program, const Strings & args) - : program(program), args(args) { }; - - RunOptions & killStderr(bool v) { _killStderr = true; return *this; } }; -std::pair<int, std::string> runProgram(const RunOptions & options); +std::pair<int, std::string> runProgram(RunOptions && options); void runProgram2(const RunOptions & options); |