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@@ -23,11 +23,11 @@ class Merb < Thor
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       end
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     end
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     MERB_REPOS.each do |r|
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-      FileUtils.cd(r)
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-      system("git fetch")
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-      system("git checkout master")
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-      system("git rebase origin/master")
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-      FileUtils.cd("..")
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+      FileUtils.cd(r) do 
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+        system("git fetch")
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+        system("git checkout master")
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+        system("git rebase origin/master")
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+      end
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     end
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   end
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@@ -55,29 +55,22 @@ class Merb < Thor
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       merb.update
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       merb.install
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     end
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-
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   end
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   class Install < Thor
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     desc 'core', 'Install merb-core'
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     def core
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-      FileUtils.cd("merb-core")
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-      system("rake install")
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-      FileUtils.cd("..")
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+      FileUtils.cd("merb-core") { system("rake install") }
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     end
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     desc 'more', 'Install merb-more'
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     def more
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-      FileUtils.cd("merb-more")
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-      system("rake install")
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-      FileUtils.cd("..")
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+      FileUtils.cd("merb-more") { system("rake install") }
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     end
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     desc 'plugins', 'Install merb-plugins'
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     def plugins
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-      FileUtils.cd("merb-plugins")
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-      system("rake install")
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-      FileUtils.cd("..")
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+      FileUtils.cd("merb-plugins") { system("rake install") }
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     end
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   end
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-end
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+end
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