Trim option descriptions

This removes unintended blank lines in Markdown when the description
is a multiline string literal.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/nix/main.cc b/src/nix/main.cc
index f434e9655..e0155cd5d 100644
--- a/src/nix/main.cc
+++ b/src/nix/main.cc
@@ -325,7 +325,7 @@ void mainWrapped(int argc, char * * argv)
                 std::cout << "attrs\n"; break;
             }
             for (auto & s : *completions)
-                std::cout << s.completion << "\t" << s.description << "\n";
+                std::cout << s.completion << "\t" << trim(s.description) << "\n";
         }
     });