curl: add license

lib/licenses.nix

@@ -210,6 +210,11 @@ lib.mapAttrs (n: v: v // { shortName = n; }) rec {
     fullName = "Common Public License 1.0";
   };
 
+  curl = {
+    fullName = "MIT/X11 derivate";
+    url = "https://curl.haxx.se/docs/copyright.html";
+  };
+
   doc = spdx {
     spdxId = "DOC";
     fullName = "DOC License";

pkgs/tools/networking/curl/7_59.nix

@@ -101,6 +101,7 @@ stdenv.mkDerivation rec {
     description = "A command line tool for transferring files with URL syntax";
     homepage    = https://curl.haxx.se/;
     maintainers = with maintainers; [ lovek323 ];
+    license = licenses.curl;
     platforms   = platforms.all;
   };
 }

pkgs/tools/networking/curl/default.nix

@@ -105,6 +105,7 @@ stdenv.mkDerivation rec {
     description = "A command line tool for transferring files with URL syntax";
     homepage    = https://curl.haxx.se/;
     maintainers = with maintainers; [ lovek323 ];
-    platforms   = platforms.all;
+    license = licenses.curl;
+    platforms = platforms.all;
   };
 }