Merge RubyGems 3.0.0.beta1.

  * It drop to support < Ruby 2.2
  * Cleanup deprecated methods and classes.
  * Mark obsoleted methods to deprecate.
  * and other enhancements.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63528 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 6 deletions

diff --git a/lib/rubygems/commands/build_command.rb b/lib/rubygems/commands/build_command.rb
index 38c45e46f0..0ba24e5ea3 100644
--- a/lib/rubygems/commands/build_command.rb
+++ b/lib/rubygems/commands/build_command.rb
@@ -47,13 +47,15 @@ with gem spec:
     end
 
     if File.exist? gemspec then
-      spec = Gem::Specification.load gemspec
+      Dir.chdir(File.dirname(gemspec)) do
+        spec = Gem::Specification.load File.basename(gemspec)
 
-      if spec then
-        Gem::Package.build spec, options[:force]
-      else
-        alert_error "Error loading gemspec. Aborting."
-        terminate_interaction 1
+        if spec then
+          Gem::Package.build spec, options[:force]
+        else
+          alert_error "Error loading gemspec. Aborting."
+          terminate_interaction 1
+        end
       end
     else
       alert_error "Gemspec file not found: #{gemspec}"