feat(users/Profpatsch): add reverse-haskell-deps

Dis is dumb

Change-Id: If09300eedff7227ed452dcec7a8e80c7ffb24757
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3231
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>

users/Profpatsch/reverse-haskell-deps.nix

@@ -0,0 +1,26 @@
+{ depot, pkgs, ... }:
+
+# Parses https://packdeps.haskellers.com/reverse
+# and outputs the amount of reverse dependencies of each hackage package.
+
+let
+
+  rev = depot.nix.writeExecline "reverse-haskell-deps" {} [
+    "pipeline" [
+      "${pkgs.curl}/bin/curl" "-L" "https://packdeps.haskellers.com/reverse"
+    ]
+    rev-hs
+
+  ];
+
+  rev-hs = pkgs.writers.writeHaskell "revers-haskell-deps-hs" {
+    libraries =  [
+      pkgs.haskellPackages.nicify-lib
+      pkgs.haskellPackages.tagsoup
+    ];
+
+  }
+    ./reverse-haskell-deps.hs;
+
+
+in rev