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Write "T x" instead of "auto x = T"

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That's just silly. Hopefully this also fixes the Debian build failure:

http://hydra.nixos.org/build/40371644
This commit is contained in:
Eelco Dolstra 2016-09-12 12:06:13 +02:00
parent 46e36f9b73
commit 5039d3b9de
1 changed files with 32 additions and 35 deletions
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67
src/nix-build/nix-build.cc
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@ -21,10 +21,10 @@ extern char ** environ;
*/
std::vector<string> shellwords(const string & s)
{
auto whitespace = std::regex("^(\\s+).*");
std::regex whitespace("^(\\s+).*");
auto begin = s.cbegin();
auto res = std::vector<string>{};
auto cur = stringstream{};
std::vector<string> res;
std::stringstream cur;
enum state {
sBegin,
sQuote
@ -33,7 +33,7 @@ std::vector<string> shellwords(const string & s)
auto it = begin;
for (; it != s.cend(); ++it) {
if (st == sBegin) {
auto match = std::smatch{};
std::smatch match;
if (regex_search(it, s.cend(), match, whitespace)) {
cur << string(begin, it);
res.push_back(cur.str());
@ -76,26 +76,26 @@ int main(int argc, char ** argv)
auto packages = false;
auto interactive = true;
auto instArgs = Strings{};
auto buildArgs = Strings{};
auto exprs = Strings{};
Strings instArgs;
Strings buildArgs;
Strings exprs;
auto shell = getEnv("SHELL", "/bin/sh");
auto envCommand = string{}; // interactive shell
auto envExclude = Strings{};
std::string envCommand; // interactive shell
Strings envExclude;
auto myName = runEnv ? "nix-shell" : "nix-build";
auto inShebang = false;
auto script = string{};
auto savedArgs = std::vector<string>{};
std::string script;
std::vector<string> savedArgs;
auto tmpDir = AutoDelete{createTempDir("", myName)};
AutoDelete tmpDir(createTempDir("", myName));
auto outLink = string("./result");
std::string outLink = "./result";
auto drvLink = (Path) tmpDir + "/derivation";
auto args = std::vector<string>{};
std::vector<string> args;
for (int i = 1; i < argc; ++i)
args.push_back(argv[i]);
// Heuristic to see if we're invoked as a shebang script, namely, if we
@ -110,7 +110,7 @@ int main(int argc, char ** argv)
inShebang = true;
for (int i = 2; i < argc - 1; ++i)
savedArgs.push_back(argv[i]);
args = std::vector<string>{};
std::vector<string> args;
for (auto line : lines) {
line = chomp(line);
std::smatch match;
@ -284,7 +284,7 @@ int main(int argc, char ** argv)
execArgs = "-a PERL";
}
auto joined = stringstream{};
std::ostringstream joined;
for (const auto & i : savedArgs)
joined << shellEscape(i) << ' ';
@ -320,7 +320,7 @@ int main(int argc, char ** argv)
if (packages) {
instArgs.push_back("--expr");
auto joined = stringstream{};
std::ostringstream joined;
joined << "with import <nixpkgs> { }; runCommand \"shell\" { buildInputs = [ ";
for (const auto & i : exprs)
joined << '(' << i << ") ";
@ -338,14 +338,14 @@ int main(int argc, char ** argv)
for (auto & expr : exprs) {
// Instantiate.
auto drvPaths = std::vector<string>{};
std::vector<string> drvPaths;
if (!std::regex_match(expr, std::regex("^/.*\\.drv$"))) {
// If we're in a #! script, interpret filenames relative to the
// script.
if (inShebang && !packages)
expr = absPath(expr, dirOf(script));
auto instantiateArgs = Strings{"--add-root", drvLink, "--indirect"};
Strings instantiateArgs{"--add-root", drvLink, "--indirect"};
for (const auto & arg : instArgs)
instantiateArgs.push_back(arg);
instantiateArgs.push_back(expr);
@ -365,7 +365,7 @@ int main(int argc, char ** argv)
auto drv = store->derivationFromPath(drvPath);
// Build or fetch all dependencies of the derivation.
auto nixStoreArgs = Strings{"-r", "--no-output", "--no-gc-warning"};
Strings nixStoreArgs{"-r", "--no-output", "--no-gc-warning"};
for (const auto & arg : buildArgs)
nixStoreArgs.push_back(arg);
for (const auto & input : drv.inputDrvs)
@ -378,14 +378,14 @@ int main(int argc, char ** argv)
// Set the environment.
auto tmp = getEnv("TMPDIR", getEnv("XDG_RUNTIME_DIR", "/tmp"));
if (pure) {
auto skippedEnv = std::vector<string>{"HOME", "USER", "LOGNAME", "DISPLAY", "PATH", "TERM", "IN_NIX_SHELL", "TZ", "PAGER", "NIX_BUILD_SHELL"};
auto removed = std::vector<string>{};
std::vector<string> skippedEnv{"HOME", "USER", "LOGNAME", "DISPLAY", "PATH", "TERM", "IN_NIX_SHELL", "TZ", "PAGER", "NIX_BUILD_SHELL"};
std::vector<string> removed;
for (auto i = size_t{0}; environ[i]; ++i) {
auto eq = strchr(environ[i], '=');
if (!eq)
// invalid env, just keep going
continue;
auto name = string(environ[i], eq);
std::string name(environ[i], eq);
if (find(skippedEnv.begin(), skippedEnv.end(), name) == skippedEnv.end())
removed.emplace_back(std::move(name));
}
@ -435,11 +435,11 @@ int main(int argc, char ** argv)
// ./result, ./result-dev, and so on, rather than ./result,
// ./result-2-dev, and so on. This combines multiple derivation
// paths into one "/nix/store/drv-path!out1,out2,..." argument.
auto prevDrvPath = string{};
auto drvPaths2 = Strings{};
std::string prevDrvPath;
Strings drvPaths2;
for (const auto & drvPath : drvPaths) {
auto p = drvPath;
auto output = string{"out"};
std::string output = "out";
std::smatch match;
if (std::regex_match(drvPath, match, std::regex("(.*)!(.*)"))) {
p = match[1].str();
@ -458,25 +458,22 @@ int main(int argc, char ** argv)
}
}
// Build.
auto outPaths = Strings{};
auto nixStoreArgs = Strings{"--add-root", outLink, "--indirect", "-r"};
Strings outPaths;
Strings nixStoreArgs{"--add-root", outLink, "--indirect", "-r"};
for (const auto & arg : buildArgs)
nixStoreArgs.push_back(arg);
for (const auto & path : drvPaths2)
nixStoreArgs.push_back(path);
auto nixStoreRes = runProgram(settings.nixBinDir + "/nix-store", false, nixStoreArgs);
for (const auto & outpath : tokenizeString<std::vector<string>>(nixStoreRes)) {
for (const auto & outpath : tokenizeString<std::vector<string>>(nixStoreRes))
outPaths.push_back(chomp(outpath));
}
if (dryRun)
continue;
for (const auto & outPath : outPaths) {
auto target = readLink(outPath);
std::cout << target << '\n';
}
for (const auto & outPath : outPaths)
std::cout << readLink(outPath) << '\n';
}
return;
});
}