just use normal hydra the nix-ca one barely works

extra/hydra.patch

@@ -1,16 +1,3 @@
-diff --git a/src/hydra-eval-jobs/hydra-eval-jobs.cc b/src/hydra-eval-jobs/hydra-eval-jobs.cc
-index d98ad88d..6830567c 100644
---- a/src/hydra-eval-jobs/hydra-eval-jobs.cc
-+++ b/src/hydra-eval-jobs/hydra-eval-jobs.cc
-@@ -289,7 +289,7 @@ int main(int argc, char * * argv)
- 
-         /* Prevent access to paths outside of the Nix search path and
-            to the environment. */
--        evalSettings.restrictEval = true;
-+        //evalSettings.restrictEval = true;
- 
-         /* When building a flake, use pure evaluation (no access to
-            'getEnv', 'currentSystem' etc. */
 diff --git a/src/hydra-queue-runner/build-remote.cc b/src/hydra-queue-runner/build-remote.cc
 index e7495f33..cbd6f18e 100644
 --- a/src/hydra-queue-runner/build-remote.cc
@@ -31,7 +18,7 @@ index e7495f33..cbd6f18e 100644
 +              } catch (Error & e) {
 +                printError(e.msg());
 +              }
- 
+
                // Also register the unresolved one
                auto unresolvedRealisation = realisation;
                unresolvedRealisation.signatures.clear();
@@ -50,14 +37,14 @@ index e7495f33..cbd6f18e 100644
 +              }
            }
          }
- 
+
 diff --git a/src/lib/Hydra/Plugin/GiteaStatus.pm b/src/lib/Hydra/Plugin/GiteaStatus.pm
-index 426c93f5..c246fa2a 100644
+index 426c93f5..9fe83c2a 100644
 --- a/src/lib/Hydra/Plugin/GiteaStatus.pm
 +++ b/src/lib/Hydra/Plugin/GiteaStatus.pm
 @@ -52,34 +52,51 @@ sub common {
              });
- 
+
          while (my $eval = $evals->next) {
 -            my $giteastatusInput = $eval->jobsetevalinputs->find({ name => "gitea_status_repo" });
 -            next unless defined $giteastatusInput && defined $giteastatusInput->value;
@@ -121,7 +108,7 @@ index 426c93f5..c246fa2a 100644
 +                }
 +
 +                $sendStatus->($giteastatusInput, $host, $repoOwner, $repoName, $rev);
- 
+
 -            print STDERR "GiteaStatus POSTing $state to $url\n";
 -            my $req = HTTP::Request->new('POST', $url);
 -            $req->header('Content-Type' => 'application/json');
@@ -139,7 +126,7 @@ index 05a35ca2..251a042a 100644
 +++ b/src/lib/Hydra/Plugin/GithubStatus.pm
 @@ -26,7 +26,7 @@ sub toGithubState {
  }
- 
+
  sub common {
 -    my ($self, $topbuild, $dependents, $finished) = @_;
 +    my ($self, $topbuild, $dependents, $finished, $publish) = @_;
@@ -173,7 +160,7 @@ index 05a35ca2..251a042a 100644
 +                        }
 +                    }
                  };
- 
+
                  if (defined $eval->flake) {
                      my $fl = $eval->flake;
                      print STDERR "Flake is $fl\n";

flake.lock

@@ -178,6 +178,7 @@
     },
     "hydra": {
       "inputs": {
+        "newNixpkgs": "newNixpkgs",
         "nix": [
           "nix"
         ],
@@ -187,16 +188,15 @@
         ]
       },
       "locked": {
-        "lastModified": 1642687475,
-        "narHash": "sha256-jdzUBckbpckHVcllLxi5fIGD0ANmUR22mAKPmgiNcoY=",
-        "owner": "thufschmitt",
+        "lastModified": 1650377387,
+        "narHash": "sha256-3fVFViUzr1Kv8+N38lblXA8S4hHrRcA9GaFH/NemKGM=",
+        "owner": "NixOS",
         "repo": "hydra",
-        "rev": "cdff8067285336abbe4750ae15d0a7dcdda5fcb5",
+        "rev": "5c90edd19f1787141ae3d9751f567b4df11fc0fa",
         "type": "github"
       },
       "original": {
-        "owner": "thufschmitt",
-        "ref": "nix-ca",
+        "owner": "NixOS",
         "repo": "hydra",
         "type": "github"
       }
@@ -249,6 +249,22 @@
         "url": "https://git.chir.rs/CarolineHusky/MiiFox.net"
       }
     },
+    "newNixpkgs": {
+      "locked": {
+        "lastModified": 1651114127,
+        "narHash": "sha256-/lLC0wkMZkAdA5e1W76SnJzbhfOGDvync3VRHJMtAKk=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "6766fb6503ae1ebebc2a9704c162b2aef351f921",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable-small",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nix": {
       "inputs": {
         "lowdown-src": "lowdown-src",
@@ -256,16 +272,16 @@
         "nixpkgs-regression": "nixpkgs-regression"
       },
       "locked": {
-        "lastModified": 1645099657,
-        "narHash": "sha256-E9iQ7f+9Z6xFcUvvfksTEfn8LsDfzmwrcRBC//5B3V0=",
+        "lastModified": 1646680282,
+        "narHash": "sha256-m8tqCS6uHveDon5GSro5yZor9H+sHeh+v/veF1IGw24=",
         "owner": "NixOS",
         "repo": "nix",
-        "rev": "e044ccb67ce38d11059de32515306f5f1bd2f04f",
+        "rev": "ffe155abd36366a870482625543f9bf924a58281",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "2.6.1",
+        "ref": "2.7.0",
         "repo": "nix",
         "type": "github"
       }

flake.nix

@@ -14,8 +14,8 @@ rec {
     polymc.url = "github:PolyMC/PolyMC";
     polymc.inputs.nixpkgs.follows = "nixpkgs";
     dns.url = "github:DarkKirb/dns.nix?ref=master";
-    hydra.url = github:thufschmitt/hydra/nix-ca;
-    nix.url = github:NixOS/nix/2.6.1;
+    hydra.url = github:NixOS/hydra;
+    nix.url = github:NixOS/nix/2.7.0;
     hydra.inputs.nix.follows = "nix";
     hydra.inputs.nixpkgs.follows = "nix/nixpkgs";
     hosts-list.url = github:StevenBlack/hosts;