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-rw-r--r--src/nix-hash/nix-hash.cc7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/nix-hash/nix-hash.cc b/src/nix-hash/nix-hash.cc
index 77c169b9a952..23309ff7469e 100644
--- a/src/nix-hash/nix-hash.cc
+++ b/src/nix-hash/nix-hash.cc
@@ -2,6 +2,13 @@
 
 #include "hash.hh"
 #include "shared.hh"
+#include "help.txt.hh"
+
+
+void printHelp()
+{
+    cout << string((char *) helpText, sizeof helpText);
+}
 
 
 void run(Strings args)