ocamlPackages.sqlite3EZ: switch to fetchFromGitHub

pkgs/development/ocaml-modules/sqlite3EZ/default.nix

···
-{ lib, stdenv, fetchurl, ocaml, findlib, ocamlbuild, twt, ocaml_sqlite3 }:
+{ lib, stdenv, fetchFromGitHub, ocaml, findlib, ocamlbuild, twt, ocaml_sqlite3 }:
 
 assert lib.versionAtLeast (lib.getVersion ocaml) "3.12";
 
···
 then throw "sqlite3EZ is not available for OCaml ${ocaml.version}"
 else
 
-stdenv.mkDerivation {
-  name = "ocaml-sqlite3EZ-0.1.0";
+stdenv.mkDerivation rec {
+  pname = "ocaml-sqlite3EZ";
+  version = "0.1.0";
 
-  src = fetchurl {
-    url = "https://github.com/mlin/ocaml-sqlite3EZ/archive/v0.1.0.tar.gz";
-    sha256 = "8ed2c5d5914a65cbd95589ef11bfb8b38a020eb850cdd49b8adce7ee3a563748";
+  src = fetchFromGitHub {
+    owner = "mlin";
+    repo = "ocaml-sqlite3EZ";
+    rev = "v${version}";
+    sha256 = "sha256-pKysvth0efxJeyJQY2Dnqarg7OtsKyyLnFV/1ZhsfDY=";
   };
 
   buildInputs = [ ocaml findlib ocamlbuild twt ];
···
     description = "A thin wrapper for sqlite3-ocaml with a simplified interface";
     license = licenses.mit;
     maintainers = [ maintainers.vbgl ];
-    platforms = ocaml.meta.platforms or [];
+    platforms = ocaml.meta.platforms or [ ];
   };
 }