Flag: Use designated initializers

1 files changed, 36 insertions, 32 deletions

diff --git a/src/libmain/common-args.cc b/src/libmain/common-args.cc
index 9e1d7cee6..51e199ea5 100644
--- a/src/libmain/common-args.cc
+++ b/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); });
-
-    mkFlag()
-        .longName("quiet")
-        .description("decrease verbosity level")
-        .handler([]() { verbosity = verbosity > lvlError ? (Verbosity) (verbosity - 1) : lvlError; });
-
-    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([](std::vector<std::string> ss) {
+    addFlag({
+        .longName = "verbose",
+        .shortName = 'v',
+        .description = "increase verbosity level",
+        .handler = {[]() { verbosity = (Verbosity) (verbosity + 1); }},
+    });
+
+    addFlag({
+        .longName = "quiet",
+        .description = "decrease verbosity level",
+        .handler = {[]() { verbosity = verbosity > lvlError ? (Verbosity) (verbosity - 1) : lvlError; }},
+    });
+
+    addFlag({
+        .longName = "debug",
+        .description = "enable debug output",
+        .handler = {[]() { verbosity = lvlDebug; }},
+    });
+
+    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);