1 files changed, 20 insertions, 0 deletions
diff --git a/src/libexpr/common-opts.hh b/src/libexpr/common-opts.hh
new file mode 100644
index 000000000000..cb2732d6fe7e
--- /dev/null
+++ b/src/libexpr/common-opts.hh
@@ -0,0 +1,20 @@
+#pragma once
+
+#include "eval.hh"
+
+namespace nix {
+
+class Store;
+
+/* Some common option parsing between nix-env and nix-instantiate. */
+bool parseAutoArgs(Strings::iterator & i,
+    const Strings::iterator & argsEnd, std::map<string, string> & res);
+
+Bindings * evalAutoArgs(EvalState & state, std::map<string, string> & in);
+
+bool parseSearchPathArg(Strings::iterator & i,
+    const Strings::iterator & argsEnd, Strings & searchPath);
+
+Path lookupFileArg(EvalState & state, string s);
+
+}