Auto merge of #5564 - bundler:seg-load-gempspec-chdir, r=indirect

[Bundler] Avoid chdir when loading a yaml gemspec

lib/bundler.rb

@@ -413,20 +413,20 @@ def load_gemspec(file, validate = false)
 
     def load_gemspec_uncached(file, validate = false)
       path = Pathname.new(file)
-      # Eval the gemspec from its parent directory, because some gemspecs
-      # depend on "./" relative paths.
-      SharedHelpers.chdir(path.dirname.to_s) do
-        contents = path.read
-        spec = if contents[0..2] == "---" # YAML header
-          eval_yaml_gemspec(path, contents)
-        else
+      contents = path.read
+      spec = if contents.start_with?("---") # YAML header
+        eval_yaml_gemspec(path, contents)
+      else
+        # Eval the gemspec from its parent directory, because some gemspecs
+        # depend on "./" relative paths.
+        SharedHelpers.chdir(path.dirname.to_s) do
           eval_gemspec(path, contents)
         end
-        return unless spec
-        spec.loaded_from = path.expand_path.to_s
-        Bundler.rubygems.validate(spec) if validate
-        spec
       end
+      return unless spec
+      spec.loaded_from = path.expand_path.to_s
+      Bundler.rubygems.validate(spec) if validate
+      spec
     end
 
     def clear_gemspec_cache

lib/bundler/definition.rb

@@ -746,11 +746,13 @@ def converge_locked_specs
 
         # Don't add a spec to the list if its source is expired. For example,
         # if you change a Git gem to Rubygems.
-        next if s.source.nil? || @unlock[:sources].include?(s.source.name)
+        next if s.source.nil?
+        next if @unlock[:sources].include?(s.source.name)
 
         # XXX This is a backwards-compatibility fix to preserve the ability to
         # unlock a single gem by passing its name via `--source`. See issue #3759
-        next if s.source.nil? || @unlock[:sources].include?(s.name)
+        # TODO: delete in Bundler 2
+        next if @unlock[:sources].include?(s.name)
 
         # If the spec is from a path source and it doesn't exist anymore
         # then we unlock it.
@@ -774,14 +776,15 @@ def converge_locked_specs
 
       resolve = SpecSet.new(converged)
       resolve = resolve.for(expand_dependencies(deps, true), @unlock[:gems])
-      diff    = @locked_specs.to_a - resolve.to_a
+      diff    = nil
 
       # Now, we unlock any sources that do not have anymore gems pinned to it
       sources.all_sources.each do |source|
         next unless source.respond_to?(:unlock!)
 
         unless resolve.any? {|s| s.source == source }
-          source.unlock! if !diff.empty? && diff.any? {|s| s.source == source }
+          diff ||= @locked_specs.to_a - resolve.to_a
+          source.unlock! if diff.any? {|s| s.source == source }
         end
       end
 
@@ -796,7 +799,7 @@ def in_locked_deps?(dep, locked_dep)
     end
 
     def satisfies_locked_spec?(dep)
-      @locked_specs.any? {|s| s.satisfies?(dep) && (!dep.source || s.source.include?(dep.source)) }
+      @locked_specs[dep].any? {|s| s.satisfies?(dep) && (!dep.source || s.source.include?(dep.source)) }
     end
 
     # This list of dependencies is only used in #resolve, so it's OK to add