Move /src to /subprojects

This will facilitate breaking up Nix into multiple packages for each component with Meson.
2025-12-15 21:41:04 +01:00 · 2024-06-03 13:59:53 -04:00 · 2024-06-03 13:59:53 -04:00 · 84e2963f8e
commit 84e2963f8e
parent 4db9487823
737 changed files with 504 additions and 505 deletions
--- a/subprojects/libmain/common-args.cc
+++ b/subprojects/libmain/common-args.cc
@ -0,0 +1,95 @@
+#include "common-args.hh"
+#include "args/root.hh"
+#include "config-global.hh"
+#include "globals.hh"
+#include "logging.hh"
+#include "loggers.hh"
+#include "util.hh"
+#include "plugin.hh"
+
+namespace nix {
+
+MixCommonArgs::MixCommonArgs(const std::string & programName)
+    : programName(programName)
+{
+    addFlag({
+        .longName = "verbose",
+        .shortName = 'v',
+        .description = "Increase the logging verbosity level.",
+        .category = loggingCategory,
+        .handler = {[]() { verbosity = (Verbosity) (verbosity + 1); }},
+    });
+
+    addFlag({
+        .longName = "quiet",
+        .description = "Decrease the logging verbosity level.",
+        .category = loggingCategory,
+        .handler = {[]() { verbosity = verbosity > lvlError ? (Verbosity) (verbosity - 1) : lvlError; }},
+    });
+
+    addFlag({
+        .longName = "debug",
+        .description = "Set the logging verbosity level to 'debug'.",
+        .category = loggingCategory,
+        .handler = {[]() { verbosity = lvlDebug; }},
+    });
+
+    addFlag({
+        .longName = "option",
+        .description = "Set the Nix configuration setting *name* to *value* (overriding `nix.conf`).",
+        .category = miscCategory,
+        .labels = {"name", "value"},
+        .handler = {[this](std::string name, std::string value) {
+            try {
+                globalConfig.set(name, value);
+            } catch (UsageError & e) {
+                if (!getRoot().completions)
+                    warn(e.what());
+            }
+        }},
+        .completer = [](AddCompletions & completions, size_t index, std::string_view prefix) {
+            if (index == 0) {
+                std::map<std::string, Config::SettingInfo> settings;
+                globalConfig.getSettings(settings);
+                for (auto & s : settings)
+                    if (hasPrefix(s.first, prefix))
+                        completions.add(s.first, fmt("Set the `%s` setting.", s.first));
+            }
+        }
+    });
+
+    addFlag({
+        .longName = "log-format",
+        .description = "Set the format of log output; one of `raw`, `internal-json`, `bar` or `bar-with-logs`.",
+        .category = loggingCategory,
+        .labels = {"format"},
+        .handler = {[](std::string format) { setLogFormat(format); }},
+    });
+
+    addFlag({
+        .longName = "max-jobs",
+        .shortName = 'j',
+        .description = "The maximum number of parallel builds.",
+        .labels = Strings{"jobs"},
+        .handler = {[=](std::string s) {
+            settings.set("max-jobs", s);
+        }}
+    });
+
+    std::string cat = "Options to override configuration settings";
+    globalConfig.convertToArgs(*this, cat);
+
+    // Backward compatibility hack: nix-env already had a --system flag.
+    if (programName == "nix-env") longFlags.erase("system");
+
+    hiddenCategories.insert(cat);
+}
+
+void MixCommonArgs::initialFlagsProcessed()
+{
+    initPlugins();
+    pluginsInited();
+}
+
+
+}