fetchTraefikPlugin: init

pkgs/build-support/fetchtraefikplugin/default.nix

@@ -0,0 +1,59 @@
+{
+  lib,
+  fetchzip,
+  traefik,
+}:
+
+lib.extendMkDerivation {
+  constructDrv = fetchzip;
+  extendDrvArgs =
+    finalAttrs:
+    {
+      plugin,
+      owner,
+      provider ? "github.com", # Most Traefik plugins are developed in GitHub repositories.
+
+      version,
+      hash,
+
+      pname ? plugin,
+      name ? "${pname}-${version}",
+      meta ? { },
+    }:
+    let
+      moduleName = lib.concatStringsSep "/" [
+        provider
+        owner
+        plugin
+      ];
+    in
+    {
+      inherit
+        hash
+        name
+        ;
+
+      url = "https://plugins.traefik.io/public/download/${moduleName}/${version}";
+      postFetch = ''
+        export tmpdir=$(mktemp -d)
+        mv -R * .* $tmpdir
+        mkdir -p $out/src/${moduleName}
+        mv -R $tmpdir/* $tmpdir/.* $out/src/${moduleName}
+      '';
+
+      passthru = {
+        inherit
+          moduleName
+          plugin
+          provider
+          owner
+          ;
+      };
+
+      meta = {
+        homepage = "https://plugins.traefik.io/plugins";
+        inherit (traefik) platforms;
+      }
+      // meta;
+    };
+}

pkgs/top-level/all-packages.nix

@@ -707,6 +707,8 @@ with pkgs;
 
   fetchPypiLegacy = callPackage ../build-support/fetchpypilegacy { };
 
+  fetchTraefikPlugin = callPackage ../build-support/fetchtraefikplugin { };
+
   resolveMirrorURLs =
     { url }:
     fetchurl {