Stop rvm from complaining about world writable /usr/local/bin

# Error message
#
/Users/velvetpd/.rvm/gems/ruby-1.9.2-p0@babylon/gems/bundler-1.0.7/lib/bundler.rb:199: warning: Insecure world writable dir /usr/local in PATH, mode 040777

# Fix
# This was probably caused by instructions to install Homebrew
# http://objectliteral.blogspot.com/2010/12/installing-homebrew-on-osx.html
#
chmod o-w /usr/local/bin
chmod o-w /usr/local

Git completion for git installed via Homebrew in OSX


# In .bashrc

if [[ -s "/usr/local/Cellar/git/1.7.3.3/etc/bash_completion.d/git-completion.bash" ]]; then
source "/usr/local/Cellar/git/1.7.3.3/etc/bash_completion.d/git-completion.bash"
fi



Install postgresql using homebrew on OSX

If there's existing postgres install,

brew rm postgresql --force

Else

brew update
brew install postgres

Then follow instructions on printed by homebrew

initdb /usr/local/var/postgres
cp /usr/local/Cellar/postgresql/9.1.4/homebrew.mxcl.postgresql.plist ~/Library/LaunchAgents/
launchctl load -w ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist
pg_ctl -D /usr/local/var/postgres -l /usr/local/var/postgres/server.log start

Installing Homebrew on OSX


sudo chown -R $USER:staff /usr/local

curl -Lsf http://github.com/mxcl/homebrew/tarball/master | tar xvz -C/usr/local --strip 1

brew install git

git clone http://github.com/mxcl/homebrew.git /tmp/homebrew
mv /tmp/homebrew/.git /usr/local/
rm -rf /tmp/homebrew


references: http://userprimary.net/posts/2010/08/19/installing-homebrew-for-OSX/