New command line parsing infrastructure

1 files changed, 22 insertions, 0 deletions

diff --git a/src/libmain/common-args.hh b/src/libmain/common-args.hh
new file mode 100644
index 0000000000..62657e0d02
--- /dev/null
+++ b/src/libmain/common-args.hh
@@ -0,0 +1,22 @@
+#pragma once
+
+#include "args.hh"
+
+namespace nix {
+
+struct MixCommonArgs : virtual Args
+{
+    MixCommonArgs(const string & programName);
+};
+
+struct MixDryRun : virtual Args
+{
+    bool dryRun;
+
+    MixDryRun()
+    {
+        mkFlag(0, "dry-run", "show what this command would do without doing it", &dryRun);
+    }
+};
+
+}