Attempt to fix integration specs on postgres on ci

lib/gemstash/compact_index_builder.rb

@@ -115,8 +115,6 @@ def compact_index_versions(date)
           ORDER BY date, number, platform, name
         SQL
 
-        # not ordered correctly in sqlite for some reason
-        all_versions.sort_by! {|v| [v[:date], v[:number], v[:platform], v[:name]] }
         map_gem_versions(all_versions.map {|v| [v[:name], [v]] })
       end
 

spec/integration_spec.rb

@@ -236,7 +236,7 @@
     shared_examples "a bundleable project" do
       it "successfully bundles" do
         env = { "HOME" => dir }
-        expect(execute("bundle", dir: dir, env: env)).to exit_success
+        expect(execute("bundle", %w[install --verbose], dir: dir, env: env)).to exit_success
         expect(execute("bundle", %w[exec speaker hi], dir: dir, env: env)).
           to exit_success.and_output("Hello world, #{platform_message}\n")
       end

spec/support/exec_helpers.rb

@@ -16,7 +16,7 @@ def execute(command, args = [], dir: nil, env: {})
 
   # Executes and stores the results for an external command.
   class Result
-    attr_reader :command, :args, :dir, :output
+    attr_reader :command, :args, :dir, :output, :err
 
     def initialize(env, command, args, dir)
       @command = command
@@ -29,7 +29,7 @@ def initialize(env, command, args, dir)
     end
 
     def exec
-      @output, @status = Open3.capture2(patched_env, command, *args, chdir: dir)
+      @output, @err, @status = Open3.capture3(patched_env, command, *args, chdir: dir)
     end
 
     def successful?
@@ -148,7 +148,10 @@ def exec_in_process(binstub)
     else
       "expected '#{actual.display_command}' in '#{actual.dir}' to exit with a success code, but it didn't.
 the command output was:
-#{actual.output}"
+#{actual.output}
+
+and the error was:
+#{actual.err}"
     end
   end
 end