ngrep: improve meta.license

Replace stringy license with attrset. Also update the comments, as
upstream now document the license in README.md and LICENSE.

Ref https://github.com/NixOS/nixpkgs/issues/269788

1 files changed, 6 insertions, 4 deletions

diff --git a/pkgs/tools/networking/ngrep/default.nix b/pkgs/tools/networking/ngrep/default.nix
index bee8678d1c93e..c44f6e1eb8328 100644
--- a/pkgs/tools/networking/ngrep/default.nix
+++ b/pkgs/tools/networking/ngrep/default.nix
@@ -44,10 +44,12 @@ stdenv.mkDerivation rec {
       more common packet sniffing tools, such as tcpdump and snoop.
     '';
     homepage = "https://github.com/jpr5/ngrep/";
-    # <ngrep>/doc/README.txt says that ngrep itself is licensed under a
-    # 'BSD-like' license but that the 'regex' library (in the ngrep tarball) is
-    # GPLv2.
-    license = "ngrep";  # Some custom BSD-style, see LICENSE.txt
+    license = {
+      shortName = "ngrep";  # BSD-style, see README.md and LICENSE
+      url = "https://github.com/jpr5/ngrep/blob/master/LICENSE";
+      free = true;
+      redistributable = true;
+    };
     platforms = with platforms; linux ++ darwin;
     maintainers = [ maintainers.bjornfor ];
   };