#--------------------------------------------------------------------------------
# Function to prepend PATH only if it doesn't already exist
#--------------------------------------------------------------------------------
pathadd() {
    if [ -d "$1" ] && [[ ":$PATH:" != *":$1:"* ]]; then
        PATH="$1${PATH:+":$PATH"}"
    fi
}
#--------------------------------------------------------------------------------

#--------------------------------------------------------------------------------
# The best editor
#--------------------------------------------------------------------------------
alias vi=vim
export EDITOR=vim
#--------------------------------------------------------------------------------

#--------------------------------------------------------------------------------
# Make less use visual bell
#--------------------------------------------------------------------------------
export LESS="-qr"
#--------------------------------------------------------------------------------

#--------------------------------------------------------------------------------
# Default directories
#--------------------------------------------------------------------------------
mkdir -p ~/src ~/tmp ~/var/log
#--------------------------------------------------------------------------------

#--------------------------------------------------------------------------------
# Update the path with local overrides
#--------------------------------------------------------------------------------
pathadd /usr/local/sbin
pathadd /usr/local/bin
pathadd ~/bin
#--------------------------------------------------------------------------------

#--------------------------------------------------------------------------------
# Rebind CTRL-T to search forward in history
#--------------------------------------------------------------------------------
if [ -n "$PS1" ]; then
    bind "\C-t":forward-search-history
fi
#--------------------------------------------------------------------------------

#--------------------------------------------------------------------------------
# Add bash completion scripts
#--------------------------------------------------------------------------------
for FILE in ~/.bash/auto_complete.d/*; do source ${FILE}; done
#--------------------------------------------------------------------------------

#--------------------------------------------------------------------------------
# A useful prompt
#--------------------------------------------------------------------------------
export PS1="[\u@\h \W \[\033[32m\]\$(git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ <\1>/')\[\033[00m\]]\\$ "
export PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME}: ${PWD}\007"'
#--------------------------------------------------------------------------------

#--------------------------------------------------------------------------------
# Record history for longer and more dynamically
#--------------------------------------------------------------------------------
# Large history buffer
export HISTSIZE=9999
export HISTFILESIZE=9999

# 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"
#--------------------------------------------------------------------------------

#--------------------------------------------------------------------------------
# Command aliases
#--------------------------------------------------------------------------------
alias ll='ls -l'
[[ -x $(which htop 2>/dev/null) ]] && alias top='htop'
#--------------------------------------------------------------------------------

#--------------------------------------------------------------------------------
# Set up GOPATH for Go development
#--------------------------------------------------------------------------------
export GOPATH=${HOME}/src/go
#--------------------------------------------------------------------------------

#--------------------------------------------------------------------------------
# Run an SSH agent, if possible
#--------------------------------------------------------------------------------
SSH_ENV="$HOME/.ssh/environment"

function start_agent {
     echo -n "Initialising new SSH agent... "
     ssh-agent 2> /dev/null | sed 's/^echo/#echo/' > "${SSH_ENV}"
     pgrep ssh-agent > /dev/null && echo "succeeded" || echo "failed"
     chmod 0600 "${SSH_ENV}"
     . "${SSH_ENV}" > /dev/null
     ssh-add ~/.ssh/scott@wallace.sh
}

# Check if we already have an agent running and sourced
if [ -z "${SSH_AUTH_SOCK}" -a -n "${PS1}" ]; then
    # Source SSH settings, if applicable
    if [ -f "${SSH_ENV}" ]; then
        . "${SSH_ENV}" > /dev/null
        pgrep ssh-agent | grep -E "^${SSH_AGENT_PID}" > /dev/null || {
            start_agent
        }
    else
        start_agent
    fi
fi
#--------------------------------------------------------------------------------

#--------------------------------------------------------------------------------
# Update brew if it's older than one day
#--------------------------------------------------------------------------------
if [ -x /usr/local/bin/brew ]; then
    (
        find /usr/local/.git -name FETCH_HEAD -mtime +0 -exec \
        bash -c "echo \"--Start: $(date)\"; \
                 brew update; \
                 echo \"--End: $(date)\"" \
        \; >> ~/var/log/brew-update.log 2>&1 &
    )
fi
#--------------------------------------------------------------------------------

#--------------------------------------------------------------------------------
# Run local .bashrc for any local-only commands
#--------------------------------------------------------------------------------
[ -f ~/.bashrc_local ] && source ~/.bashrc_local
#--------------------------------------------------------------------------------