Add bin and edit workflow

bin/gems/metrics-0.12.1/lib/metrics/config.rb

@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+
+# Released under the MIT License.
+# Copyright, 2024, by Samuel Williams.
+
+module Metrics
+	# Represents a configuration for the metrics library.
+	class Config
+		DEFAULT_PATH = ENV.fetch("METRICS_CONFIG_DEFAULT_PATH", "config/metrics.rb")
+		
+		# Load the configuration from the given path.
+		# @parameter path [String] The path to the configuration file.
+		# @returns [Config] The loaded configuration.
+		def self.load(path)
+			config = self.new
+			
+			if File.exist?(path)
+				config.instance_eval(File.read(path), path)
+			end
+			
+			return config
+		end
+		
+		# Load the default configuration.
+		# @returns [Config] The default configuration.
+		def self.default
+			@default ||= self.load(DEFAULT_PATH)
+		end
+		
+		# Prepare the backend, e.g. by loading additional libraries or instrumentation.
+		def prepare
+		end
+		
+		# Require a specific metrics backend implementation.
+		def require_backend(env = ENV)
+			if backend = env["METRICS_BACKEND"]
+				begin
+					if require(backend)
+						Metrics.extend(Backend::Interface)
+						
+						return true
+					end
+				rescue LoadError => error
+					warn "Unable to load metrics backend: #{backend.inspect}!"
+				end
+			end
+			
+			return false
+		end
+		
+		# Load the default configuration.
+		DEFAULT = self.default
+	end
+end