sqlcl: change license to unfreeRedistributable

SQLcL is actually unfreeRedistributable (since 2021, it seems), under the Oracle Free Use License. Manually downloading the source is also not needed anymore.

Also switched to finalAttrs pattern instead of using rec.

pkgs/development/tools/database/sqlcl/default.nix

@@ -1,37 +1,11 @@
-{ lib, stdenv, makeWrapper, requireFile, unzip, jdk }:
+{ lib, stdenv, makeWrapper, fetchurl, unzip, jdk }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "sqlcl";
   version = "23.2.0.178.1027";
 
-  src = requireFile rec {
-    url = "https://www.oracle.com/database/sqldeveloper/technologies/sqlcl/download/";
-    name = "sqlcl-${version}.zip";
-    message = ''
-      This Nix expression requires that ${name} already be part of the store. To
-      obtain it you need to
-
-      - navigate to ${url}
-      - make sure that it says "Version ${version}" above the list of downloads
-        - if it does not, click on the "Previous Version" link below the
-          download and repeat until the version is correct. This is necessary
-          because as the time of this writing there exists no permanent link
-          for the current version yet.
-          Also consider updating this package yourself (you probably just need
-          to change the `version` variable and update the sha256 to the one of
-          the new file) or opening an issue at the nixpkgs repo.
-      - click "Download"
-      - sign in or create an oracle account if neccessary
-      - on the next page, click the "${name}" link
-
-      and then add the file to the Nix store using either:
-
-        nix-store --add-fixed sha256 ${name}
-
-      or
-
-        nix-prefetch-url --type sha256 file:///path/to/${name}
-    '';
+  src = fetchurl {
+    url = "https://download.oracle.com/otn_software/java/sqldeveloper/sqlcl-${finalAttrs.version}.zip";
     hash = "sha256-wGqLlV88yYJrVblKzeG6VerfsEgCi1JQd49ONZmUB4Y=";
   };
 
@@ -58,8 +32,8 @@ stdenv.mkDerivation rec {
       also supporting your previously written SQL*Plus scripts.
     '';
     homepage = "https://www.oracle.com/database/sqldeveloper/technologies/sqlcl/";
-    license = licenses.unfree;
+    license = licenses.unfreeRedistributable;
     platforms = [ "x86_64-linux" ];
     maintainers = with maintainers; [ misterio77 ];
   };
-}
+})