Drop Faraday dependency and use plain Net::HTTP instead (#22)

One less runtime dependency. 🎉

bundle_update_interactive.gemspec

@@ -30,7 +30,6 @@ Gem::Specification.new do |spec|
   # Runtime dependencies
   spec.add_dependency "bundler", "~> 2.0"
   spec.add_dependency "bundler-audit", ">= 0.9.1"
-  spec.add_dependency "faraday", ">= 2.8.0"
   spec.add_dependency "pastel", ">= 0.8.0"
   spec.add_dependency "tty-prompt", ">= 0.23.1"
   spec.add_dependency "tty-screen", ">= 0.8.2"

lib/bundle_update_interactive.rb

@@ -8,6 +8,7 @@ module BundleUpdateInteractive
   autoload :CLI, "bundle_update_interactive/cli"
   autoload :Error, "bundle_update_interactive/error"
   autoload :Gemfile, "bundle_update_interactive/gemfile"
+  autoload :HTTP, "bundle_update_interactive/http"
   autoload :Lockfile, "bundle_update_interactive/lockfile"
   autoload :LockfileEntry, "bundle_update_interactive/lockfile_entry"
   autoload :OutdatedGem, "bundle_update_interactive/outdated_gem"

lib/bundle_update_interactive/changelog_locator.rb

@@ -1,6 +1,5 @@
 # frozen_string_literal: true
 
-require "faraday"
 require "json"
 
 module BundleUpdateInteractive
@@ -32,16 +31,16 @@ def discover_changelog_uri(version)
         return "https://github.com/#{changelog_path}" if changelog_path
 
         releases_url = "https://github.com/#{path}/releases"
-        releases_url if Faraday.head("#{releases_url}/tag/v#{version}").success?
+        releases_url if HTTP.head("#{releases_url}/tag/v#{version}").success?
       end
 
       private
 
       def fetch_repo_html(follow_redirect:)
-        response = Faraday.get("https://github.com/#{path}")
+        response = HTTP.get("https://github.com/#{path}")
 
-        if response.status == 301 && follow_redirect
-          @path = response.headers["Location"][GITHUB_PATTERN, 1]
+        if response.code == "301" && follow_redirect
+          @path = response["Location"][GITHUB_PATTERN, 1]
           return fetch_repo_html(follow_redirect: false)
         end
 
@@ -69,7 +68,7 @@ def fetch_rubygems_data(name, version)
                   "https://rubygems.org/api/v2/rubygems/#{name}/versions/#{version}.json"
                 end
 
-      response = Faraday.get(api_url)
+      response = HTTP.get(api_url)
 
       # Try again without the version in case the version does not exist at rubygems for some reason.
       # This can happen when using a pre-release Ruby that has a bundled gem newer than the published version.

lib/bundle_update_interactive/http.rb

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+require "net/http"
+require "uri"
+
+module BundleUpdateInteractive
+  module HTTP
+    module Success
+      def success?
+        code.start_with?("2")
+      end
+    end
+
+    class << self
+      def get(url)
+        http(:get, url)
+      end
+
+      def head(url)
+        http(:head, url)
+      end
+
+      private
+
+      def http(method, url_string)
+        uri = URI(url_string)
+        response = Net::HTTP.start(uri.host, uri.port, use_ssl: uri.scheme.end_with?("s")) do |http|
+          http.public_send(method, uri.request_uri)
+        end
+        response.extend(Success)
+      end
+    end
+  end
+end