add standalone-checksum parsing for the fetcher

2 files changed, 20 insertions, 2 deletions

diff --git a/lib/bundler/vendor/compact_index_client/lib/compact_index_client.rb b/lib/bundler/vendor/compact_index_client/lib/compact_index_client.rb
index 004c2dfa13..0c35dcc579 100644
--- a/lib/bundler/vendor/compact_index_client/lib/compact_index_client.rb
+++ b/lib/bundler/vendor/compact_index_client/lib/compact_index_client.rb
@@ -39,6 +39,13 @@ class Bundler::CompactIndexClient
     @cache.specific_dependency(name, version, platform)
   end
 
+  def parse_checksums!
+    return @info_checksums_by_name if @parsed_checksums
+    update(@cache.versions_path, "versions")
+    @info_checksums_by_name = @cache.checksums
+    @parsed_checksums = true
+  end
+
 private
 
   def update(local_path, remote_path)
diff --git a/lib/bundler/vendor/compact_index_client/lib/compact_index_client/cache.rb b/lib/bundler/vendor/compact_index_client/lib/compact_index_client/cache.rb
index 20bf9d842f..118ee09435 100644
--- a/lib/bundler/vendor/compact_index_client/lib/compact_index_client/cache.rb
+++ b/lib/bundler/vendor/compact_index_client/lib/compact_index_client/cache.rb
@@ -18,16 +18,16 @@ class Bundler::CompactIndexClient
     def versions
       versions_by_name = Hash.new {|hash, key| hash[key] = [] }
       info_checksums_by_name = {}
+
       lines(versions_path).each do |line|
         name, versions_string, info_checksum = line.split(" ", 3)
-
         info_checksums_by_name[name] = info_checksum || ""
-
         versions = versions_string.split(",").map! do |version|
           version.split("-", 2).unshift(name)
         end
         versions_by_name[name].concat(versions)
       end
+
       [versions_by_name, info_checksums_by_name]
     end
 
@@ -35,6 +35,17 @@ class Bundler::CompactIndexClient
       directory.join("versions")
     end
 
+    def checksums
+      checksums = {}
+
+      lines(versions_path).each do |line|
+        name, _, checksum = line.split(" ", 3)
+        checksums[name] = checksum
+      end
+
+      checksums
+    end
+
     def dependencies(name)
       lines(info_path(name)).map do |line|
         parse_gem(line)