Use lowdown 0.8.4

flake.lock

@@ -1,5 +1,22 @@
 {
   "nodes": {
+    "lowdown-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1617481909,
+        "narHash": "sha256-SqnfOFuLuVRRNeVJr1yeEPJue/qWoCp5N6o5Kr///p4=",
+        "owner": "kristapsdz",
+        "repo": "lowdown",
+        "rev": "148f9b2f586c41b7e36e73009db43ea68c7a1a4d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "kristapsdz",
+        "ref": "VERSION_0_8_4",
+        "repo": "lowdown",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1614309161,
@@ -17,6 +34,7 @@
     },
     "root": {
       "inputs": {
+        "lowdown-src": "lowdown-src",
         "nixpkgs": "nixpkgs"
       }
     }

flake.nix

@@ -2,9 +2,9 @@
   description = "The purely functional package manager";
 
   inputs.nixpkgs.url = "nixpkgs/nixos-20.09-small";
-  #inputs.lowdown-src = { url = "github:kristapsdz/lowdown"; flake = false; };
+  inputs.lowdown-src = { url = "github:kristapsdz/lowdown/VERSION_0_8_4"; flake = false; };
 
-  outputs = { self, nixpkgs }:
+  outputs = { self, nixpkgs, lowdown-src }:
 
     let
 
@@ -271,14 +271,16 @@
         };
 
         lowdown = with final; stdenv.mkDerivation rec {
-          name = "lowdown-0.8.0";
+          name = "lowdown-0.8.4";
 
+          /*
           src = fetchurl {
             url = "https://kristaps.bsd.lv/lowdown/snapshots/${name}.tar.gz";
             hash = "sha512-U9WeGoInT9vrawwa57t6u9dEdRge4/P+0wLxmQyOL9nhzOEUU2FRz2Be9H0dCjYE7p2v3vCXIYk40M+jjULATw==";
           };
+          */
 
-          #src = lowdown-src;
+          src = lowdown-src;
 
           outputs = [ "out" "bin" "dev" ];