nixopsUnstable: Add nixops-hetzner plugin

pkgs/applications/networking/cluster/nixops/default.nix

···
     ps.nixops-encrypted-links
     ps.nixops-gcp
     ps.nixops-hercules-ci
+    ps.nixops-hetzner
     ps.nixopsvbox
     ps.nixops-virtd
   ]) // rec {

pkgs/applications/networking/cluster/nixops/poetry-git-overlay.nix

···
     }
   );
 
+  nixops-hetzner = super.nixops-hetzner.overridePythonAttrs (
+    _: {
+      src = pkgs.fetchgit {
+        url = "https://github.com/NixOS/nixops-hetzner";
+        rev = "84f4eebb89b049c4f86aa779349397c3dedc0c43";
+        sha256 = "0qx8v775jhlbqyhid8wkzy3xcha08kkzb42h6ayszwq4alyfx0b0";
+      };
+    }
+  );
+
   nixops-virtd = super.nixops-virtd.overridePythonAttrs (
     _: {
       src = pkgs.fetchgit {

pkgs/applications/networking/cluster/nixops/poetry.lock

···
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
 [[package]]
+name = "hetzner"
+version = "0.8.3"
+description = "High level access to the Hetzner robot"
+category = "main"
+optional = false
+python-versions = "*"
+
+[[package]]
 name = "idna"
 version = "3.3"
 description = "Internationalized Domain Names in Applications (IDNA)"
···
 resolved_reference = "e601d5baffd003fd5f22deeaea0cb96444b054dc"
 
 [[package]]
+name = "nixops-hetzner"
+version = "1.0"
+description = "NixOS deployment tool, but for hetzner"
+category = "main"
+optional = false
+python-versions = "^3.7"
+develop = false
+
+[package.dependencies]
+hetzner = "0.8.3"
+nixops = {git = "https://github.com/NixOS/nixops.git", rev = "master"}
+nixos-modules-contrib = {git = "https://github.com/nix-community/nixos-modules-contrib.git", rev = "master"}
+typing-extensions = "^3.7.4"
+
+[package.source]
+type = "git"
+url = "https://github.com/NixOS/nixops-hetzner"
+reference = "master"
+resolved_reference = "84f4eebb89b049c4f86aa779349397c3dedc0c43"
+
+[[package]]
 name = "nixops-virtd"
 version = "1.0"
 description = "NixOps plugin for virtd"
···
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.8"
-content-hash = "8a294b2745b271983bac54258b4f3a2ab3b2e5b218440329fa7eea482c63774f"
+content-hash = "d55e8dc060befe16e5bca3d39c4b6815d038a845311a0faf061af66d64a7f901"
 
 [metadata.files]
 alabaster = [
···
     {file = "docutils-0.16-py2.py3-none-any.whl", hash = "sha256:0c5b78adfbf7762415433f5515cd5c9e762339e23369dbe8000d84a4bf4ab3af"},
     {file = "docutils-0.16.tar.gz", hash = "sha256:c2de3a60e9e7d07be26b7f2b00ca0309c207e06c100f9cc2a94931fc75a478fc"},
 ]
+hetzner = [
+    {file = "hetzner-0.8.3.tar.gz", hash = "sha256:9a43dbbeb4a1f3efc86c5fe1c1d7039aaa635dfdb829506ec3aa34382d3a7114"},
+]
 idna = [
     {file = "idna-3.3-py3-none-any.whl", hash = "sha256:84d9dd047ffa80596e0f246e2eab0b391788b0503584e8945f2368256d2735ff"},
     {file = "idna-3.3.tar.gz", hash = "sha256:9d643ff0a55b762d5cdb124b8eaa99c66322e2157b69160bc32796e824360e6d"},
···
 nixops-encrypted-links = []
 nixops-gcp = []
 nixops-hercules-ci = []
+nixops-hetzner = []
 nixops-virtd = []
 nixopsvbox = []
 nixos-modules-contrib = []

pkgs/applications/networking/cluster/nixops/pyproject.toml

···
 nixops-encrypted-links = {git = "https://github.com/nix-community/nixops-encrypted-links.git"}
 nixops-gcp = {git = "https://github.com/nix-community/nixops-gce.git"}
 nixops-hercules-ci = {git = "https://github.com/hercules-ci/nixops-hercules-ci.git"}
+nixops-hetzner = {git = "https://github.com/NixOS/nixops-hetzner"}
 nixopsvbox = {git = "https://github.com/nix-community/nixops-vbox.git"}
 nixops-virtd = {git = "https://github.com/nix-community/nixops-libvirtd.git"}