I don't like messy dotfiles. You can read here why.

• ~/.shellrc/rc.d as an include.d style directory for scripts used by all shells
• ~/.shellrc/bashrc.d as an include.d style directory for bashrc scripts
• ~/.shellrc/zsh.d as an include.d style directory for zshrc scripts
• ~/.shellrc/login.d as an include.d style directory for shared zlogin/bash_profile scripts
• git repository information (current branch, current status) without external dependencies
• colorful prompt
• shared history for all shells

cd
git clone git://github.com/chr4/shellrc.git .shellrc

# bash config
ln -sf .shellrc/bashrc .bashrc
ln -sf .shellrc/bash_profile .bash_profile
ln -sf .shellrc/inputrc .inputrc

# zsh config
ln -sf .shellrc/zshrc .zshrc
ln -sf .shellrc/zlogin .zlogin