Pin to a specific version

js/api.js

@@ -1,22 +0,0 @@
-
-var getApiIpfsCurrent = function(onSuccess, onError) {
-  var xhr = new XMLHttpRequest();
-  xhr.open('GET', '/api/ipfs/current', true);
-  xhr.setRequestHeader('Accept', 'application/json');
-  xhr.onreadystatechange = function () {
-    var res = null;
-    if (xhr.readyState === 4) {
-      if (xhr.status === 204 || xhr.status === 205) {
-        onSuccess();
-      } else if (xhr.status >= 200 && xhr.status < 300) {
-        try { res = JSON.parse(xhr.responseText); } catch (e) { onError(e); }
-        if (res) onSuccess(res);
-      } else {
-        try { res = JSON.parse(xhr.responseText); } catch (e) { onError(e); }
-        if (res) onError(res);
-      }
-    }
-  };
-  xhr.send(null);
-};
-

js/app.js

@@ -1,10 +0,0 @@
-$(document).ready(function() {
-    var success = function(x) {
-	$("#ipfs > em").html(x);
-    };
-    var error = function(x) {
-	$("#ipfs").hide();
-	console.log("ipfs hash not found: " + x);
-    };
-    getApiIpfsCurrent(success, error);
-});

nixpkgs.json

@@ -0,0 +1,7 @@
+{
+  "url": "https://github.com/NixOS/nixpkgs",
+  "rev": "7e1f60dfbba67b975d1a77d710a6f1437fd9709c",
+  "date": "2020-02-01T09:20:37-05:00",
+  "sha256": "0vk55459iljr5dzwnr5661l44b0wdc15952lk2rjcmxr1620yr5v",
+  "fetchSubmodules": false
+}

release.nix

@@ -1,4 +1,13 @@
-{ pkgs ? import <nixpkgs> {} }:
+let
+  pin = builtins.fromJSON (builtins.readFile ./nixpkgs.json);
+  pinnedPkgs = with pin; import (builtins.fetchTarball {
+    url = "https://github.com/NixOS/nixpkgs/archive/${rev}.tar.gz";
+    inherit sha256;
+  }) {};
+
+in
+
+{ pkgs ? pinnedPkgs }:
 
 let
   haskellPackages = pkgs.haskellPackages;

templates/default.html

@@ -29,10 +29,6 @@
         <footer>
             Site proudly generated by
             <a href="http://jaspervdj.be/hakyll">Hakyll</a>
-	    <span id="ipfs">and found on IPFS as <em></em></ipfs>
         </footer>
     </body>
-    <script type="application/javascript" src="/js/jquery-3.3.1.min.js"></script>
-    <script type="application/javascript" src="/js/api.js"></script>
-    <script type="application/javascript" src="/js/app.js"></script>
 </html>