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-rw-r--r--third_party/nix/src/libmain/common-args.hh27
1 files changed, 27 insertions, 0 deletions
diff --git a/third_party/nix/src/libmain/common-args.hh b/third_party/nix/src/libmain/common-args.hh
new file mode 100644
index 000000000000..f1c7c8481323
--- /dev/null
+++ b/third_party/nix/src/libmain/common-args.hh
@@ -0,0 +1,27 @@
+#pragma once
+
+#include "libutil/args.hh"
+
+namespace nix {
+
+struct MixCommonArgs : virtual Args {
+  std::string programName;
+  MixCommonArgs(const std::string& programName);
+};
+
+struct MixDryRun : virtual Args {
+  bool dryRun = false;
+
+  MixDryRun() {
+    mkFlag(0, "dry-run", "show what this command would do without doing it",
+           &dryRun);
+  }
+};
+
+struct MixJSON : virtual Args {
+  bool json = false;
+
+  MixJSON() { mkFlag(0, "json", "produce JSON output", &json); }
+};
+
+}  // namespace nix