[GemInstaller] Support base64 digests on ruby 1.8.7seg-fix-1-8

1 files changed, 13 insertions, 1 deletions

diff --git a/lib/bundler/rubygems_gem_installer.rb b/lib/bundler/rubygems_gem_installer.rb
index 0aa9fd91d6..28ad988b94 100644
--- a/lib/bundler/rubygems_gem_installer.rb
+++ b/lib/bundler/rubygems_gem_installer.rb
@@ -28,7 +28,7 @@ module Bundler
         digest = Digest::SHA256.new
         digest << io.read(16_384) until io.eof?
         io.rewind
-        digest.send(checksum_type(checksum))
+        send(checksum_type(checksum), digest)
       end
       unless digest == checksum
         raise SecurityError,
@@ -48,5 +48,17 @@ module Bundler
       else raise InstallError, "The given checksum for #{spec.full_name} (#{checksum.inspect}) is not a valid SHA256 hexdigest nor base64digest"
       end
     end
+
+    def hexdigest!(digest)
+      digest.hexdigest!
+    end
+
+    def base64digest!(digest)
+      if digest.respond_to?(:base64digest!)
+        digest.base64digest!
+      else
+        [digest.digest!].pack("m0")
+      end
+    end
   end
 end