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-rw-r--r--nixpkgs/pkgs/development/libraries/gflags/default.nix1
1 files changed, 1 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/gflags/default.nix b/nixpkgs/pkgs/development/libraries/gflags/default.nix
index a690d8f2e154..3f07a67cbdae 100644
--- a/nixpkgs/pkgs/development/libraries/gflags/default.nix
+++ b/nixpkgs/pkgs/development/libraries/gflags/default.nix
@@ -27,6 +27,7 @@ stdenv.mkDerivation rec {
 
   meta = with lib; {
     description = "A C++ library that implements commandline flags processing";
+    mainProgram = "gflags_completions.sh";
     longDescription = ''
       The gflags package contains a C++ library that implements commandline flags processing.
       As such it's a replacement for getopt().