Laptop installing a second time to show idempotency

gistfile1.txt

Last login: Tue Jul 22 11:38:45 on ttys000
Wells-Mac% bash <(curl -s https://raw.githubusercontent.com/thoughtbot/laptop/dc-postgres/mac)

Changing your shell to zsh ...
Changing shell for wellmade.
Password for wellmade: 
chsh: no changes made

Homebrew already installed. Skipping ...

Updating Homebrew formulas ...
Already up-to-date.

Installing Postgres, a good open source relational database ...
Warning: postgresql-9.3.4 already installed

Installing Redis, a good key-value database ...
Error: redis-2.8.13 already installed

Installing The Silver Searcher (better than ack or grep) to search the contents of files ...
Error: the_silver_searcher-0.23.0 already installed

Installing vim from Homebrew to get the latest version ...
Error: vim-7.4.335 already installed

Installing ctags, to index files for vim tab completion of methods, classes, variables ...
Error: ctags-5.8 already installed

Installing tmux, to save project state and switch between projects ...
Error: tmux-1.9a already installed

Installing reattach-to-user-namespace, for copy-paste and RubyMotion compatibility with tmux ...
Error: reattach-to-user-namespace-2.3 already installed

Installing ImageMagick, to crop and resize images ...
Error: imagemagick-6.8.9-1 already installed

Installing QT, used by Capybara Webkit for headless Javascript integration testing ...
Error: qt-4.8.6 already installed

Installing watch, to execute a program periodically and show the output ...
Error: watch-0.2.0 already installed

Installing NVM, Node.js, and NPM, for running apps and installing JavaScript packages ...
Error: nvm-0.11.1 already installed
v0.10.28 is already installed.
Now using node v0.10.28

Setting 0.10.28 as the global default nodejs...
default -> 0.10.28 (-> v0.10.28)

Ensure LaunchAgents exists ...

Starting Postgres ...
/Users/wellmade/Library/LaunchAgents/homebrew.mxcl.postgresql.plist -> /usr/local/opt/postgresql/homebrew.mxcl.postgresql.plist

Installing rbenv, to change Ruby versions ...
Error: rbenv-0.4.0 already installed

Installing rbenv-gem-rehash so the shell automatically picks up binaries after installing gems with binaries...
Error: rbenv-gem-rehash-1.0.0 already installed

Installing ruby-build, to install Rubies ...
Error: ruby-build-20140702 already installed

Upgrading and linking OpenSSL ...
Error: openssl-1.0.1h already installed
Warning: Already linked: /usr/local/Cellar/openssl/1.0.1h
To relink: brew unlink openssl && brew link openssl

Installing Ruby 2.1.2 ...

Setting 2.1.2 as global default Ruby ...

Updating to latest Rubygems version ...
Latest version currently installed. Aborting.

Installing Bundler to install project-specific Ruby gems ...
Successfully installed bundler-1.6.4
1 gem installed

Configuring Bundler for faster, parallel gem installation ...
You are replacing the current global value of jobs, which is currently "1"

Installing Suspenders, thoughtbot's Rails template ...
Successfully installed suspenders-1.15.0
1 gem installed

Installing Parity, shell commands for development, staging, and
production parity ...
Successfully installed parity-0.3.0
1 gem installed

Installing Heroku CLI client ...
Error: heroku-toolbelt-3.7.2 already installed

Installing the heroku-config plugin to pull config variables locally to be used as ENV variables ...
Installing heroku-config... done

Installing foreman ...
Password:
installer: Package name is Foreman
installer: Upgrading at base path /
installer: The upgrade was successful.

Installing GitHub CLI client ...
Error: hub-1.12.2 already installed

rcm already installed. Skipping ...

Installing your personal additions from ~/.laptop.local ...
Wells-Mac%