diff options
Diffstat (limited to 'third_party/nix/src/nix-env/nix-env.cc')
| -rw-r--r-- | third_party/nix/src/nix-env/nix-env.cc | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/third_party/nix/src/nix-env/nix-env.cc b/third_party/nix/src/nix-env/nix-env.cc index 585cfbe3f7..e01ae02978 100644 --- a/third_party/nix/src/nix-env/nix-env.cc +++ b/third_party/nix/src/nix-env/nix-env.cc @@ -45,18 +45,18 @@ struct InstallSourceInfo { Path nixExprPath; /* for srcNixExprDrvs, srcNixExprs */ Path profile; /* for srcProfile */ std::string systemFilter; /* for srcNixExprDrvs */ - Bindings* autoArgs; + Bindings* autoArgs{}; }; struct Globals : public gc { InstallSourceInfo instSource; Path profile; std::shared_ptr<EvalState> state; - bool dryRun; - bool preserveInstalled; - bool removeAll; + bool dryRun{}; + bool preserveInstalled{}; + bool removeAll{}; std::string forceName; - bool prebuiltOnly; + bool prebuiltOnly{}; }; using Operation = void (*)(Globals&, Strings, Strings); @@ -106,7 +106,7 @@ static void getAllExprs(EvalState& state, const Path& path, StringSet& attrs, Path path2 = path + "/" + i; - struct stat st; + struct stat st {}; if (stat(path2.c_str(), &st) == -1) { continue; // ignore dangling symlinks in ~/.nix-defexpr } @@ -141,7 +141,7 @@ static void getAllExprs(EvalState& state, const Path& path, StringSet& attrs, } static void loadSourceExpr(EvalState& state, const Path& path, Value& v) { - struct stat st; + struct stat st {}; if (stat(path.c_str(), &st) == -1) { throw SysError(format("getting information about '%1%'") % path); } @@ -171,7 +171,7 @@ static void loadSourceExpr(EvalState& state, const Path& path, Value& v) { static void loadDerivations(EvalState& state, const Path& nixExprPath, const std::string& systemFilter, Bindings& autoArgs, const std::string& pathPrefix, DrvInfos& elems) { - Value vRoot; + Value vRoot{}; loadSourceExpr(state, nixExprPath, vRoot); Value& v(*findAlongAttrPath(state, pathPrefix, autoArgs, vRoot)); @@ -189,12 +189,12 @@ static void loadDerivations(EvalState& state, const Path& nixExprPath, } } -static long getPriority(EvalState& state, DrvInfo& drv) { +static long getPriority(DrvInfo& drv) { return drv.queryMetaInt("priority", 0); } static long comparePriorities(EvalState& state, DrvInfo& drv1, DrvInfo& drv2) { - return getPriority(state, drv2) - getPriority(state, drv1); + return getPriority(drv2) - getPriority(drv1); } // FIXME: this function is rather slow since it checks a single path @@ -346,13 +346,13 @@ static void queryInstSources(EvalState& state, InstallSourceInfo& instSource, argument `x: x.bar' is equivalent to `(x: x.bar) (import ./foo.nix)' = `(import ./foo.nix).bar'. */ case srcNixExprs: { - Value vArg; + Value vArg{}; loadSourceExpr(state, instSource.nixExprPath, vArg); for (auto& i : args) { Expr* eFun = state.parseExprFromString(i, absPath(".")); - Value vFun; - Value vTmp; + Value vFun{}; + Value vTmp{}; state.eval(eFun, vFun); mkApp(vTmp, vFun, vArg); getDerivations(state, vTmp, "", *instSource.autoArgs, elems, true); @@ -406,7 +406,7 @@ static void queryInstSources(EvalState& state, InstallSourceInfo& instSource, } case srcAttrPath: { - Value vRoot; + Value vRoot{}; loadSourceExpr(state, instSource.nixExprPath, vRoot); for (auto& i : args) { Value& v(*findAlongAttrPath(state, i, *instSource.autoArgs, vRoot)); @@ -802,7 +802,7 @@ void printTable(Table& table) { for (auto& i : table) { assert(i.size() == nrColumns); Strings::iterator j; - size_t column; + size_t column = 0; for (j = i.begin(), column = 0; j != i.end(); ++j, ++column) { if (j->size() > widths[column]) { widths[column] = j->size(); @@ -812,7 +812,7 @@ void printTable(Table& table) { for (auto& i : table) { Strings::iterator j; - size_t column; + size_t column = 0; for (j = i.begin(), column = 0; j != i.end(); ++j, ++column) { std::string s = *j; replace(s.begin(), s.end(), '\n', ' '); @@ -1050,7 +1050,7 @@ static void opQuery(Globals& globals, Strings opFlags, Strings opArgs) { attrs["valid"] = isValid ? "1" : "0"; attrs["substitutable"] = hasSubs ? "1" : "0"; } else { - columns.push_back((std::string)(isInstalled ? "I" : "-") + + columns.push_back(std::string(isInstalled ? "I" : "-") + (isValid ? "P" : "-") + (hasSubs ? "S" : "-")); } } @@ -1078,7 +1078,7 @@ static void opQuery(Globals& globals, Strings opFlags, Strings opArgs) { std::string version; VersionDiff diff = compareVersionAgainstSet(i, otherElems, version); - char ch; + char ch = 0; switch (diff) { case cvLess: ch = '>'; @@ -1102,7 +1102,7 @@ static void opQuery(Globals& globals, Strings opFlags, Strings opArgs) { attrs["maxComparedVersion"] = version; } } else { - std::string column = (std::string) "" + ch + " " + version; + std::string column = std::string("") + ch + " " + version; if (diff == cvGreater && tty) { column = ANSI_RED + column + ANSI_NORMAL; } @@ -1266,7 +1266,7 @@ static void switchGeneration(Globals& globals, int dstGen) { PathLocks lock; lockProfile(lock, globals.profile); - int curGen; + int curGen = 0; Generations gens = findGenerations(globals.profile, curGen); Generation dst; @@ -1303,7 +1303,7 @@ static void opSwitchGeneration(Globals& globals, Strings opFlags, throw UsageError(format("exactly one argument expected")); } - int dstGen; + int dstGen = 0; if (!absl::SimpleAtoi(opArgs.front(), &dstGen)) { throw UsageError(format("expected a generation number")); } @@ -1334,13 +1334,13 @@ static void opListGenerations(Globals& globals, Strings opFlags, PathLocks lock; lockProfile(lock, globals.profile); - int curGen; + int curGen = 0; Generations gens = findGenerations(globals.profile, curGen); RunPager pager; for (auto& i : gens) { - tm t; + tm t{}; if (localtime_r(&i.creationTime, &t) == nullptr) { throw Error("cannot convert time"); } @@ -1369,7 +1369,7 @@ static void opDeleteGenerations(Globals& globals, Strings opFlags, opArgs.front()); } std::string str_max = std::string(opArgs.front(), 1, opArgs.front().size()); - int max; + int max = 0; if (!absl::SimpleAtoi(str_max, &max) || max == 0) { throw Error(format("invalid number of generations to keep ‘%1%’") % opArgs.front()); @@ -1378,7 +1378,7 @@ static void opDeleteGenerations(Globals& globals, Strings opFlags, } else { std::set<unsigned int> gens; for (auto& i : opArgs) { - unsigned int n; + unsigned int n = 0; if (!absl::SimpleAtoi(i, &n)) { throw UsageError(format("invalid generation number '%1%'") % i); } |