Compiling Vim with Python and Ruby support on Ubuntu

Check if Vim is compiled with Python or Ruby:

λ vim --version | ack '(python|ruby)'

Remove Vim version installed with apt-get if present:

λ sudo apt-get remove vim-common vim-runtime

Install dependencies needed to compile Vim:

λ sudo apt-get build-dep vim

Install Mercurial:

λ sudo apt-get install mercurial

Clone Vim repository, compile it and install the new version:

λ hg clone https://vim.googlecode.com/hg/ vim
λ cd vim
λ ./configure --enable-pythoninterp --enable-rubyinterp
λ make
λ sudo make install