Adding the spack package manager

app/models/package_manager/spack.rb

@@ -0,0 +1,85 @@
+# frozen_string_literal: true
+
+module PackageManager
+  class Spack < Base
+    HAS_VERSIONS = true
+    HAS_DEPENDENCIES = true
+    HAS_OWNERS = true
+
+    # spack generates a spec.json for each package installed
+    BIBLIOTHECARY_PLANNED = true
+    URL = "https://spack.io"
+    COLOR = "#0d3d7e"
+
+    def self.formatted_name
+      'spack'
+    end
+
+    def self.package_link(db_project, version = nil)
+      "https://spack.github.io/packages/package.html?name=#{db_project.name}"
+    end
+
+    def self.project_names
+      get_json("https://spack.github.io/packages/data/packages.json")
+    rescue StandardError
+      {}
+    end
+
+    def self.documentation_url(name, version = nil)
+      "https://spack.github.io/packages/package.html?name=#{db_project.name}"
+    end
+
+    def self.project(name)
+      get_json("https://spack.github.io/packages/data/packages/#{name}.json")
+    rescue StandardError
+      {}
+    end
+
+    def self.mapping(raw_project)
+      {
+        name: raw_project["name"],
+        description: raw_project["description"],
+        homepage: raw_project["homepage"],
+        licenses: [],
+        repository_url: raw_project["homepage"],
+      }
+    end
+
+    def self.versions(raw_project, _name)
+      json = get_json("https://spack.github.io/packages/data/packages/#{name}.json")
+      json.map do |v|
+        {
+          number: v["name"],
+          # We have a sha256 if that is needed.
+          # We don't have this information easily, it's in git
+          published_at: Time.now.strftime("%d-%m-%Y %H:%M")
+        }
+      end
+    rescue StandardError
+      []
+    end
+
+    def self.dependencies(name, version, _mapped_project)
+      json = get_json("https://spack.github.io/packages/data/packages/#{name}.json")
+      return [] unless json['dependencies']
+      deps = json["dependencies"]
+      deps.map do |dep|
+        {
+          project_name: dep["name"],
+
+          # This is determined by the solver at install
+          requirements: '*',
+
+          # We have this information but not exposed via API
+          kind: 'runtime',
+          platform: self.name.demodulize
+        }
+    rescue StandardError
+      []
+    end
+
+    def self.install_instructions(db_project, version = nil)
+      "spack install #{db_project.name}" + (version ? "@#{version}" : "")
+    end
+  end
+end

lib/tasks/download.rake

@@ -246,6 +246,11 @@ namespace :download do
     PackageManager::SwiftPM.import
   end
 
+  desc 'Download all Spack packages asynchronously'
+  task spack_all: :environment do
+    PackageManager::Spack.import_async
+  end
+
   desc "Download all Rubygems packages asynchronously"
   task rubygems_all: :environment do
     PackageManager::Rubygems.import_async