Merge pull request #3928 from rubygems/fix_man_check

Readd man pages index

Manifest.txt

@@ -301,6 +301,7 @@ bundler/man/bundle.1
 bundler/man/bundle.1.ronn
 bundler/man/gemfile.5
 bundler/man/gemfile.5.ronn
+bundler/man/index.txt
 hide_lib_for_update/note.txt
 lib/rubygems.rb
 lib/rubygems/available_set.rb

bundler/Rakefile

@@ -128,20 +128,22 @@ namespace :man do
 
       desc "Verify man pages are in sync"
       task :check => :build do
-        sh("git diff --quiet --ignore-all-space man") do |outcome, _|
-          if outcome
-            puts
-            puts "Manpages are in sync!"
-            puts
-          else
-            sh("GIT_PAGER=cat git diff --ignore-all-space man")
-
-            puts
-            puts "Man pages are out of sync. Above you can see the diff that got generated from rebuilding them. Please review and commit the results."
-            puts
-
-            exit(1)
-          end
+        require "open3"
+
+        output, status = Open3.capture2e("git status --porcelain")
+
+        if status.success? && output.empty?
+          puts
+          puts "Man pages are in sync"
+          puts
+        else
+          sh("git status --porcelain")
+
+          puts
+          puts "Man pages are out of sync. Above you can see the list of files that got modified or generated from rebuilding them. Please review and commit the results."
+          puts
+
+          exit(1)
         end
       end
     end

bundler/man/index.txt

@@ -0,0 +1,25 @@
+Gemfile(5)            gemfile.5
+bundle(1)             bundle.1
+bundle-add(1)         bundle-add.1
+bundle-binstubs(1)    bundle-binstubs.1
+bundle-cache(1)       bundle-cache.1
+bundle-check(1)       bundle-check.1
+bundle-clean(1)       bundle-clean.1
+bundle-config(1)      bundle-config.1
+bundle-doctor(1)      bundle-doctor.1
+bundle-exec(1)        bundle-exec.1
+bundle-gem(1)         bundle-gem.1
+bundle-info(1)        bundle-info.1
+bundle-init(1)        bundle-init.1
+bundle-inject(1)      bundle-inject.1
+bundle-install(1)     bundle-install.1
+bundle-list(1)        bundle-list.1
+bundle-lock(1)        bundle-lock.1
+bundle-open(1)        bundle-open.1
+bundle-outdated(1)    bundle-outdated.1
+bundle-platform(1)    bundle-platform.1
+bundle-pristine(1)    bundle-pristine.1
+bundle-remove(1)      bundle-remove.1
+bundle-show(1)        bundle-show.1
+bundle-update(1)      bundle-update.1
+bundle-viz(1)         bundle-viz.1