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-rw-r--r--src/libmain/common-args.cc28
1 files changed, 15 insertions, 13 deletions
diff --git a/src/libmain/common-args.cc b/src/libmain/common-args.cc
index 3fa42c2aafa9..ea27aaa35e03 100644
--- a/src/libmain/common-args.cc
+++ b/src/libmain/common-args.cc
@@ -6,28 +6,30 @@ namespace nix {
 MixCommonArgs::MixCommonArgs(const string & programName)
     : programName(programName)
 {
-    mkFlag('v', "verbose", "increase verbosity level", []() {
-        verbosity = (Verbosity) (verbosity + 1);
-    });
+    mkFlag()
+        .longName("verbose")
+        .shortName('v')
+        .description("increase verbosity level")
+        .handler([]() { verbosity = (Verbosity) (verbosity + 1); });
 
-    mkFlag(0, "quiet", "decrease verbosity level", []() {
-        verbosity = verbosity > lvlError ? (Verbosity) (verbosity - 1) : lvlError;
-    });
+    mkFlag()
+        .longName("quiet")
+        .description("decrease verbosity level")
+        .handler([]() { verbosity = verbosity > lvlError ? (Verbosity) (verbosity - 1) : lvlError; });
 
-    mkFlag(0, "debug", "enable debug output", []() {
-        verbosity = lvlDebug;
-    });
+    mkFlag()
+        .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([](Strings ss) {
-            auto name = ss.front(); ss.pop_front();
-            auto value = ss.front();
+        .handler([](std::vector<std::string> ss) {
             try {
-                settings.set(name, value);
+                settings.set(ss[0], ss[1]);
             } catch (UsageError & e) {
                 warn(e.what());
             }