wal-e: switch to fetchFromGitHub

pkgs/tools/backup/wal-e/default.nix

@@ -1,4 +1,4 @@
-{ lib, fetchurl, python3Packages, lzop, postgresql, pv }:
+{ lib, fetchFromGitHub, python3Packages, lzop, postgresql, pv }:
 
 python3Packages.buildPythonApplication rec {
   pname = "wal-e";
@@ -6,9 +6,11 @@ python3Packages.buildPythonApplication rec {
 
   namePrefix = "";
 
-  src = fetchurl {
-    url = "https://github.com/wal-e/wal-e/archive/v${version}.tar.gz";
-    sha256 = "5TTd7NTO73+MCJf3dHIcNojjHdoaKJ1T051iW7Kt9Ow=";
+  src = fetchFromGitHub {
+    owner = "wal-e";
+    repo = "wal-e";
+    rev = "v${version}";
+    hash = "sha256-I6suHkAYzDtlNFNPH4SziY93Ryp+NTHkCBuojDvv+U4=";
   };
 
   # needs tox
@@ -27,7 +29,7 @@ python3Packages.buildPythonApplication rec {
   meta = {
     description = "A Postgres WAL-shipping disaster recovery and replication toolkit";
     homepage = "https://github.com/wal-e/wal-e";
-    maintainers = [];
+    maintainers = [ ];
     license = lib.licenses.bsd3;
     platforms = lib.platforms.linux;
   };