kubernetes-helm-mapkubeapis: init at 0.4.1

Was looking for this plugin, but couldn't find it. I found this open PR:
NixOS#217530 but it seems to have gone
stale (no activity in over a year). I posted in it but figured everyone
is too busy so I just decided to resubmit, addressing comments :-)

2 files changed, 36 insertions, 2 deletions

diff --git a/pkgs/applications/networking/cluster/helm/plugins/default.nix b/pkgs/applications/networking/cluster/helm/plugins/default.nix
index 1a6aa12a91e5b..8ac059e98a249 100644
--- a/pkgs/applications/networking/cluster/helm/plugins/default.nix
+++ b/pkgs/applications/networking/cluster/helm/plugins/default.nix
@@ -1,17 +1,17 @@
 { callPackage }:
 
 {
+  helm-cm-push = callPackage ./helm-cm-push.nix { };
 
   helm-diff = callPackage ./helm-diff.nix { };
 
   helm-git = callPackage ./helm-git.nix { };
 
-  helm-cm-push = callPackage ./helm-cm-push.nix { };
+  helm-mapkubeapis = callPackage ./helm-mapkubeapis.nix { };
 
   helm-s3 = callPackage ./helm-s3.nix { };
 
   helm-secrets = callPackage ./helm-secrets.nix { };
 
   helm-unittest = callPackage ./helm-unittest.nix { };
-
 }
diff --git a/pkgs/applications/networking/cluster/helm/plugins/helm-mapkubeapis.nix b/pkgs/applications/networking/cluster/helm/plugins/helm-mapkubeapis.nix
new file mode 100644
index 0000000000000..21cb8b065e7ee
--- /dev/null
+++ b/pkgs/applications/networking/cluster/helm/plugins/helm-mapkubeapis.nix
@@ -0,0 +1,34 @@
+{ buildGoModule, fetchFromGitHub, lib }:
+
+buildGoModule rec {
+  pname = "helm-mapkubeapis";
+  version = "0.4.1";
+
+  src = fetchFromGitHub {
+    owner = "helm";
+    repo = "helm-mapkubeapis";
+    rev = "v${version}";
+    hash = "sha256-6NeePXTdp5vlBLfIlWeXQZMZ0Uz/e1ZCgZmJvBJfaFw=";
+  };
+
+  vendorHash = "sha256-rVrQqeakPQl3rjzmqzHw74ffreLEVzP153wWJ8TEOIM=";
+
+  # NOTE: Remove the install and upgrade hooks.
+  postPatch = ''
+    sed -i '/^hooks:/,+2 d' plugin.yaml
+  '';
+
+  postInstall = ''
+    install -dm755 $out/helm-mapkubeapis
+    mv $out/bin $out/helm-mapkubeapis/
+    install -m644 -Dt $out/helm-mapkubeapis/config/ config/Map.yaml
+    install -m644 -Dt $out/helm-mapkubeapis plugin.yaml
+  '';
+
+  meta = {
+    description = "A Helm plugin which maps deprecated or removed Kubernetes APIs in a release to supported APIs";
+    homepage = "https://github.com/helm/helm-mapkubeapis";
+    license = with lib.licenses; [ asl20 ];
+    maintainers = with lib.maintainers; [ aos ];
+  };
+}