bundle installコマンドで下記エラーが発生したのでrbenvインストールを見なおした
$ bundle install --path vendor/bundle
Fetching gem metadata from https://rubygems.org/./Users/hoge/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/net/http.rb:799: [BUG] Segmentation fault
ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-darwin12.1.0]
-- Control frame information -----------------------------------------------
c:0043 p:---- s:0236 b:0236 l:000235 d:000235 CFUNC :connect
c:0042 p:0011 s:0233 b:0233 l:0001a0 d:000232 BLOCK /Users/hoge/.rbenv/versions/1.9.3-p194/lib/ruby/1.9.1/net/http.rb:799
上記対応をした、rbenv installコマンド
macport版
# port selfupdate
# port install openssl
# port install libyaml
#rbenv
$ CONFIGURE_OPTS='--with-openssl-dir=/opt/local --with-opt-dir=/opt/local' rbenv install 1.9.3-p194
brew版
# brew update
# brew install openssl
# rbenv
$ CONFIGURE_OPTS="--with-openssl-dir=`brew --prefix openssl`" rbenv install 1.9.3-p194