From 339227363ce0cf967fa17efa4489d823932ddabd Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@ruby-lang.org>
Date: Wed, 23 Dec 2020 08:45:19 +0900
Subject: Merge RubyGems 3.2.3 and Bundler 2.2.3

---
 lib/rubygems/resolver/api_set.rb | 47 ++++++++++++++++++++++++----------------
 1 file changed, 28 insertions(+), 19 deletions(-)

(limited to 'lib/rubygems/resolver/api_set.rb')

diff --git a/lib/rubygems/resolver/api_set.rb b/lib/rubygems/resolver/api_set.rb
index cafcd5b472..21c9b8920c 100644
--- a/lib/rubygems/resolver/api_set.rb
+++ b/lib/rubygems/resolver/api_set.rb
@@ -4,6 +4,8 @@
 # Returns instances of APISpecification.
 
 class Gem::Resolver::APISet < Gem::Resolver::Set
+  autoload :GemParser, File.expand_path("api_set/gem_parser", __dir__)
+
   ##
   # The URI for the dependency API this APISet uses.
 
@@ -24,13 +26,13 @@ class Gem::Resolver::APISet < Gem::Resolver::Set
   # API URL +dep_uri+ which is described at
   # https://guides.rubygems.org/rubygems-org-api
 
-  def initialize(dep_uri = 'https://rubygems.org/api/v1/dependencies')
+  def initialize(dep_uri = 'https://index.rubygems.org/info/')
     super()
 
     dep_uri = URI dep_uri unless URI === dep_uri
 
     @dep_uri = dep_uri
-    @uri     = dep_uri + '../..'
+    @uri     = dep_uri + '..'
 
     @data   = Hash.new {|h,k| h[k] = [] }
     @source = Gem::Source.new @uri
@@ -75,20 +77,8 @@ class Gem::Resolver::APISet < Gem::Resolver::Set
   def prefetch_now # :nodoc:
     needed, @to_fetch = @to_fetch, []
 
-    uri = @dep_uri + "?gems=#{needed.sort.join ','}"
-    str = Gem::RemoteFetcher.fetcher.fetch_path uri
-
-    loaded = []
-
-    Marshal.load(str).each do |ver|
-      name = ver[:name]
-
-      @data[name] << ver
-      loaded << name
-    end
-
-    (needed - loaded).each do |missing|
-      @data[missing] = []
+    needed.sort.each do |name|
+      versions(name)
     end
   end
 
@@ -111,13 +101,32 @@ class Gem::Resolver::APISet < Gem::Resolver::Set
       return @data[name]
     end
 
-    uri = @dep_uri + "?gems=#{name}"
+    uri = @dep_uri + name
     str = Gem::RemoteFetcher.fetcher.fetch_path uri
 
-    Marshal.load(str).each do |ver|
-      @data[ver[:name]] << ver
+    lines(str).each do |ver|
+      number, platform, dependencies, requirements = parse_gem(ver)
+
+      platform ||= "ruby"
+      dependencies = dependencies.map {|dep_name, reqs| [dep_name, reqs.join(", ")] }
+      requirements = requirements.map {|req_name, reqs| [req_name.to_sym, reqs] }.to_h
+
+      @data[name] << { name: name, number: number, platform: platform, dependencies: dependencies, requirements: requirements }
     end
 
     @data[name]
   end
+
+  private
+
+  def lines(str)
+    lines = str.split("\n")
+    header = lines.index("---")
+    header ? lines[header + 1..-1] : lines
+  end
+
+  def parse_gem(string)
+    @gem_parser ||= GemParser.new
+    @gem_parser.parse(string)
+  end
 end
-- 
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