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-rw-r--r--third_party/nix/src/nix/main.cc269
1 files changed, 130 insertions, 139 deletions
diff --git a/third_party/nix/src/nix/main.cc b/third_party/nix/src/nix/main.cc
index bfc0a3def0..79730c58b9 100644
--- a/third_party/nix/src/nix/main.cc
+++ b/third_party/nix/src/nix/main.cc
@@ -1,181 +1,172 @@
+#include <ifaddrs.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <sys/types.h>
 #include <algorithm>
-
 #include "command.hh"
 #include "common-args.hh"
+#include "download.hh"
 #include "eval.hh"
+#include "finally.hh"
 #include "globals.hh"
 #include "legacy.hh"
+#include "progress-bar.hh"
 #include "shared.hh"
 #include "store-api.hh"
-#include "progress-bar.hh"
-#include "download.hh"
-#include "finally.hh"
-
-#include <sys/types.h>
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-
-#include <ifaddrs.h>
-#include <netdb.h>
-#include <netinet/in.h>
 
 extern std::string chrootHelperName;
 
-void chrootHelper(int argc, char * * argv);
+void chrootHelper(int argc, char** argv);
 
 namespace nix {
 
 /* Check if we have a non-loopback/link-local network interface. */
-static bool haveInternet()
-{
-    struct ifaddrs * addrs;
+static bool haveInternet() {
+  struct ifaddrs* addrs;
 
-    if (getifaddrs(&addrs))
-        return true;
+  if (getifaddrs(&addrs)) return true;
+
+  Finally free([&]() { freeifaddrs(addrs); });
 
-    Finally free([&]() { freeifaddrs(addrs); });
-
-    for (auto i = addrs; i; i = i->ifa_next) {
-        if (!i->ifa_addr) continue;
-        if (i->ifa_addr->sa_family == AF_INET) {
-            if (ntohl(((sockaddr_in *) i->ifa_addr)->sin_addr.s_addr) != INADDR_LOOPBACK) {
-                return true;
-            }
-        } else if (i->ifa_addr->sa_family == AF_INET6) {
-            if (!IN6_IS_ADDR_LOOPBACK(&((sockaddr_in6 *) i->ifa_addr)->sin6_addr) &&
-                !IN6_IS_ADDR_LINKLOCAL(&((sockaddr_in6 *) i->ifa_addr)->sin6_addr))
-                return true;
-        }
+  for (auto i = addrs; i; i = i->ifa_next) {
+    if (!i->ifa_addr) continue;
+    if (i->ifa_addr->sa_family == AF_INET) {
+      if (ntohl(((sockaddr_in*)i->ifa_addr)->sin_addr.s_addr) !=
+          INADDR_LOOPBACK) {
+        return true;
+      }
+    } else if (i->ifa_addr->sa_family == AF_INET6) {
+      if (!IN6_IS_ADDR_LOOPBACK(&((sockaddr_in6*)i->ifa_addr)->sin6_addr) &&
+          !IN6_IS_ADDR_LINKLOCAL(&((sockaddr_in6*)i->ifa_addr)->sin6_addr))
+        return true;
     }
+  }
 
-    return false;
+  return false;
 }
 
 std::string programPath;
 
-struct NixArgs : virtual MultiCommand, virtual MixCommonArgs
-{
-    bool printBuildLogs = false;
-    bool useNet = true;
-
-    NixArgs() : MultiCommand(*RegisterCommand::commands), MixCommonArgs("nix")
-    {
-        mkFlag()
-            .longName("help")
-            .description("show usage information")
-            .handler([&]() { showHelpAndExit(); });
-
-        mkFlag()
-            .longName("help-config")
-            .description("show configuration options")
-            .handler([&]() {
-                std::cout << "The following configuration options are available:\n\n";
-                Table2 tbl;
-                std::map<std::string, Config::SettingInfo> settings;
-                globalConfig.getSettings(settings);
-                for (const auto & s : settings)
-                    tbl.emplace_back(s.first, s.second.description);
-                printTable(std::cout, tbl);
-                throw Exit();
-            });
-
-        mkFlag()
-            .longName("print-build-logs")
-            .shortName('L')
-            .description("print full build logs on stderr")
-            .set(&printBuildLogs, true);
-
-        mkFlag()
-            .longName("version")
-            .description("show version information")
-            .handler([&]() { printVersion(programName); });
-
-        mkFlag()
-            .longName("no-net")
-            .description("disable substituters and consider all previously downloaded files up-to-date")
-            .handler([&]() { useNet = false; });
-    }
-
-    void printFlags(std::ostream & out) override
-    {
-        Args::printFlags(out);
-        std::cout <<
-            "\n"
-            "In addition, most configuration settings can be overriden using '--<name> <value>'.\n"
-            "Boolean settings can be overriden using '--<name>' or '--no-<name>'. See 'nix\n"
-            "--help-config' for a list of configuration settings.\n";
-    }
-
-    void showHelpAndExit()
-    {
-        printHelp(programName, std::cout);
-        std::cout << "\nNote: this program is EXPERIMENTAL and subject to change.\n";
-        throw Exit();
-    }
+struct NixArgs : virtual MultiCommand, virtual MixCommonArgs {
+  bool printBuildLogs = false;
+  bool useNet = true;
+
+  NixArgs() : MultiCommand(*RegisterCommand::commands), MixCommonArgs("nix") {
+    mkFlag()
+        .longName("help")
+        .description("show usage information")
+        .handler([&]() { showHelpAndExit(); });
+
+    mkFlag()
+        .longName("help-config")
+        .description("show configuration options")
+        .handler([&]() {
+          std::cout << "The following configuration options are available:\n\n";
+          Table2 tbl;
+          std::map<std::string, Config::SettingInfo> settings;
+          globalConfig.getSettings(settings);
+          for (const auto& s : settings)
+            tbl.emplace_back(s.first, s.second.description);
+          printTable(std::cout, tbl);
+          throw Exit();
+        });
+
+    mkFlag()
+        .longName("print-build-logs")
+        .shortName('L')
+        .description("print full build logs on stderr")
+        .set(&printBuildLogs, true);
+
+    mkFlag()
+        .longName("version")
+        .description("show version information")
+        .handler([&]() { printVersion(programName); });
+
+    mkFlag()
+        .longName("no-net")
+        .description(
+            "disable substituters and consider all previously downloaded files "
+            "up-to-date")
+        .handler([&]() { useNet = false; });
+  }
+
+  void printFlags(std::ostream& out) override {
+    Args::printFlags(out);
+    std::cout << "\n"
+                 "In addition, most configuration settings can be overriden "
+                 "using '--<name> <value>'.\n"
+                 "Boolean settings can be overriden using '--<name>' or "
+                 "'--no-<name>'. See 'nix\n"
+                 "--help-config' for a list of configuration settings.\n";
+  }
+
+  void showHelpAndExit() {
+    printHelp(programName, std::cout);
+    std::cout
+        << "\nNote: this program is EXPERIMENTAL and subject to change.\n";
+    throw Exit();
+  }
 };
 
-void mainWrapped(int argc, char * * argv)
-{
-    /* The chroot helper needs to be run before any threads have been
-       started. */
-    if (argc > 0 && argv[0] == chrootHelperName) {
-        chrootHelper(argc, argv);
-        return;
-    }
+void mainWrapped(int argc, char** argv) {
+  /* The chroot helper needs to be run before any threads have been
+     started. */
+  if (argc > 0 && argv[0] == chrootHelperName) {
+    chrootHelper(argc, argv);
+    return;
+  }
 
-    initNix();
-    initGC();
+  initNix();
+  initGC();
 
-    programPath = argv[0];
-    string programName = baseNameOf(programPath);
+  programPath = argv[0];
+  string programName = baseNameOf(programPath);
 
-    {
-        auto legacy = (*RegisterLegacyCommand::commands)[programName];
-        if (legacy) return legacy(argc, argv);
-    }
+  {
+    auto legacy = (*RegisterLegacyCommand::commands)[programName];
+    if (legacy) return legacy(argc, argv);
+  }
 
-    verbosity = lvlWarn;
-    settings.verboseBuild = false;
+  verbosity = lvlWarn;
+  settings.verboseBuild = false;
 
-    NixArgs args;
+  NixArgs args;
 
-    args.parseCmdline(argvToStrings(argc, argv));
+  args.parseCmdline(argvToStrings(argc, argv));
 
-    initPlugins();
+  initPlugins();
 
-    if (!args.command) args.showHelpAndExit();
+  if (!args.command) args.showHelpAndExit();
 
-    Finally f([]() { stopProgressBar(); });
+  Finally f([]() { stopProgressBar(); });
 
-    startProgressBar(args.printBuildLogs);
+  startProgressBar(args.printBuildLogs);
 
-    if (args.useNet && !haveInternet()) {
-        warn("you don't have Internet access; disabling some network-dependent features");
-        args.useNet = false;
-    }
+  if (args.useNet && !haveInternet()) {
+    warn(
+        "you don't have Internet access; disabling some network-dependent "
+        "features");
+    args.useNet = false;
+  }
 
-    if (!args.useNet) {
-        // FIXME: should check for command line overrides only.
-        if (!settings.useSubstitutes.overriden)
-            settings.useSubstitutes = false;
-        if (!settings.tarballTtl.overriden)
-            settings.tarballTtl = std::numeric_limits<unsigned int>::max();
-        if (!downloadSettings.tries.overriden)
-            downloadSettings.tries = 0;
-        if (!downloadSettings.connectTimeout.overriden)
-            downloadSettings.connectTimeout = 1;
-    }
+  if (!args.useNet) {
+    // FIXME: should check for command line overrides only.
+    if (!settings.useSubstitutes.overriden) settings.useSubstitutes = false;
+    if (!settings.tarballTtl.overriden)
+      settings.tarballTtl = std::numeric_limits<unsigned int>::max();
+    if (!downloadSettings.tries.overriden) downloadSettings.tries = 0;
+    if (!downloadSettings.connectTimeout.overriden)
+      downloadSettings.connectTimeout = 1;
+  }
 
-    args.command->prepare();
-    args.command->run();
+  args.command->prepare();
+  args.command->run();
 }
 
-}
+}  // namespace nix
 
-int main(int argc, char * * argv)
-{
-    return nix::handleExceptions(argv[0], [&]() {
-        nix::mainWrapped(argc, argv);
-    });
+int main(int argc, char** argv) {
+  return nix::handleExceptions(argv[0],
+                               [&]() { nix::mainWrapped(argc, argv); });
 }
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