# The best editor
export EDITOR=vi

# Update the path with local overrides
export PATH=/usr/local/bin:/usr/local/sbin:${PATH}

# Large history buffer
export HISTSIZE=9999
export HISTFILESIZE=9999

# A useful prompt
PROMPT_COMMAND='printf "\033]0;%s@%s:%s\007" "${USER}" "${HOSTNAME%%.*}" "${PWD/#$HOME/~}"'

# Avoid duplicates in the history...
export HISTCONTROL=ignoredups:erasedups

# Append history entries...
shopt -s histappend

# After each command, save and reload history
export PROMPT_COMMAND="${PROMPT_COMMAND:+$PROMPT_COMMAND$'\n'}history -a; history -c; history -r"

# Make OS X's 'top' behave like the GNU one
alias top='top -u'

# Git aliases
alias githistory='git log --oneline --abbrev-commit --all --graph --decorate'
alias gitx='open -a GitX .'

# Add bash completion for ssh: it tries to complete the host to which you 
# want to connect from the list of the ones contained in ~/.ssh/known_hosts

__ssh_known_hosts() {
    if [[ -f ~/.ssh/known_hosts ]]; then
        cut -d " " -f1 ~/.ssh/known_hosts | cut -d "," -f1
    fi
}

_ssh() {
    local cur known_hosts
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    known_hosts="$(__ssh_known_hosts)"
                                            
    if [[ ! ${cur} == -* ]] ; then
        COMPREPLY=( $(compgen -W "${known_hosts}" -- ${cur}) )
        return 0
    fi
}

complete -o bashdefault -o default -o nospace -F _ssh ssh 2>/dev/null \
    || complete -o default -o nospace -F _ssh ssh