Merge branch 'master' into errors-phase-2

src/libmain/common-args.cc

@@ -6,43 +6,47 @@ namespace nix {
 MixCommonArgs::MixCommonArgs(const string & programName)
     : programName(programName)
 {
-    mkFlag()
-        .longName("verbose")
-        .shortName('v')
-        .description("increase verbosity level")
-        .handler([]() { verbosity = (Verbosity) (verbosity + 1); });
+    addFlag({
+        .longName = "verbose",
+        .shortName = 'v',
+        .description = "increase verbosity level",
+        .handler = {[]() { verbosity = (Verbosity) (verbosity + 1); }},
+    });
 
-    mkFlag()
-        .longName("quiet")
-        .description("decrease verbosity level")
-        .handler([]() { verbosity = verbosity > lvlError ? (Verbosity) (verbosity - 1) : lvlError; });
+    addFlag({
+        .longName = "quiet",
+        .description = "decrease verbosity level",
+        .handler = {[]() { verbosity = verbosity > lvlError ? (Verbosity) (verbosity - 1) : lvlError; }},
+    });
 
-    mkFlag()
-        .longName("debug")
-        .description("enable debug output")
-        .handler([]() { verbosity = lvlDebug; });
+    addFlag({
+        .longName = "debug",
+        .description = "enable debug output",
+        .handler = {[]() { verbosity = lvlDebug; }},
+    });
 
-    mkFlag()
-        .longName("option")
-        .labels({"name", "value"})
-        .description("set a Nix configuration option (overriding nix.conf)")
-        .arity(2)
-        .handler([](std::vector<std::string> ss) {
+    addFlag({
+        .longName = "option",
+        .description = "set a Nix configuration option (overriding nix.conf)",
+        .labels = {"name", "value"},
+        .handler = {[](std::string name, std::string value) {
             try {
-                globalConfig.set(ss[0], ss[1]);
+                globalConfig.set(name, value);
             } catch (UsageError & e) {
                 warn(e.what());
             }
-        });
+        }},
+    });
 
-    mkFlag()
-        .longName("max-jobs")
-        .shortName('j')
-        .label("jobs")
-        .description("maximum number of parallel builds")
-        .handler([=](std::string s) {
+    addFlag({
+        .longName = "max-jobs",
+        .shortName = 'j',
+        .description = "maximum number of parallel builds",
+        .labels = Strings{"jobs"},
+        .handler = {[=](std::string s) {
             settings.set("max-jobs", s);
-        });
+        }}
+    });
 
     std::string cat = "config";
     globalConfig.convertToArgs(*this, cat);

src/libmain/shared.cc

@@ -155,7 +155,7 @@ void initNix()
        sshd). This breaks build users because they don't have access
        to the TMPDIR, in particular in ‘nix-store --serve’. */
 #if __APPLE__
-    if (getuid() == 0 && hasPrefix(getEnv("TMPDIR").value_or("/tmp"), "/var/folders/"))
+    if (hasPrefix(getEnv("TMPDIR").value_or("/tmp"), "/var/folders/"))
         unsetenv("TMPDIR");
 #endif
 }
@@ -165,28 +165,32 @@ LegacyArgs::LegacyArgs(const std::string & programName,
     std::function<bool(Strings::iterator & arg, const Strings::iterator & end)> parseArg)
     : MixCommonArgs(programName), parseArg(parseArg)
 {
-    mkFlag()
-        .longName("no-build-output")
-        .shortName('Q')
-        .description("do not show build output")
-        .set(&settings.verboseBuild, false);
+    addFlag({
+        .longName = "no-build-output",
+        .shortName = 'Q',
+        .description = "do not show build output",
+        .handler = {&settings.verboseBuild, false},
+    });
 
-    mkFlag()
-        .longName("keep-failed")
-        .shortName('K')
-        .description("keep temporary directories of failed builds")
-        .set(&(bool&) settings.keepFailed, true);
+    addFlag({
+        .longName = "keep-failed",
+        .shortName ='K',
+        .description = "keep temporary directories of failed builds",
+        .handler = {&(bool&) settings.keepFailed, true},
+    });
 
-    mkFlag()
-        .longName("keep-going")
-        .shortName('k')
-        .description("keep going after a build fails")
-        .set(&(bool&) settings.keepGoing, true);
+    addFlag({
+        .longName = "keep-going",
+        .shortName ='k',
+        .description = "keep going after a build fails",
+        .handler = {&(bool&) settings.keepGoing, true},
+    });
 
-    mkFlag()
-        .longName("fallback")
-        .description("build from source if substitution fails")
-        .set(&(bool&) settings.tryFallback, true);
+    addFlag({
+        .longName = "fallback",
+        .description = "build from source if substitution fails",
+        .handler = {&(bool&) settings.tryFallback, true},
+    });
 
     auto intSettingAlias = [&](char shortName, const std::string & longName,
         const std::string & description, const std::string & dest) {
@@ -205,11 +209,12 @@ LegacyArgs::LegacyArgs(const std::string & programName,
     mkFlag(0, "no-gc-warning", "disable warning about not using '--add-root'",
         &gcWarning, false);
 
-    mkFlag()
-        .longName("store")
-        .label("store-uri")
-        .description("URI of the Nix store to use")
-        .dest(&(std::string&) settings.storeUri);
+    addFlag({
+        .longName = "store",
+        .description = "URI of the Nix store to use",
+        .labels = {"store-uri"},
+        .handler = {&(std::string&) settings.storeUri},
+    });
 }
 
 
@@ -260,7 +265,10 @@ void printVersion(const string & programName)
         cfg.push_back("signed-caches");
 #endif
         std::cout << "Features: " << concatStringsSep(", ", cfg) << "\n";
-        std::cout << "Configuration file: " << settings.nixConfDir + "/nix.conf" << "\n";
+        std::cout << "System configuration file: " << settings.nixConfDir + "/nix.conf" << "\n";
+        std::cout << "User configuration files: " <<
+            concatStringsSep(":", settings.nixUserConfFiles)
+            << "\n";
         std::cout << "Store directory: " << settings.nixStore << "\n";
         std::cout << "State directory: " << settings.nixStateDir << "\n";
     }