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# Don't do anything if not running interactively.
[[ -z "$PS1" ]] && return
# Use vi as my text editor.
export EDITOR=vi
# None of this UTF8 drawing characters nonsense.
export NCURSES_NO_UTF8_ACS=1
# My GPG key ID for convenience.
export GPGKEY=255AAC13
# Keep plenty of history.
unset HISTFILESIZE
HISTSIZE=1000000
# Ignore duplicate commands and whitespace in history.
HISTCONTROL=ignoreboth
# Keep the times of the commands in history.
HISTTIMEFORMAT='%F %T '
# Don't check for mail all the time, it's irritating.
unset MAILCHECK
# Autocorrect fudged paths in cd calls.
shopt -s cdspell &>/dev/null
# Update columns and rows if window size changes.
shopt -s checkwinsize &>/dev/null
# Put multi-line commands onto one line of history.
shopt -s cmdhist &>/dev/null
# Autocorrect fudged paths during completion.
shopt -s dirspell &>/dev/null
# Include dotfiles in pattern matching.
shopt -s dotglob &>/dev/null
# Enable advanced pattern matching.
shopt -s extglob &>/dev/null
# Enable double-starring paths.
shopt -s globstar &>/dev/null
# Append rather than overwrite Bash history.
shopt -s histappend &>/dev/null
# Never beep at me.
hash setterm &>/dev/null && setterm -bfreq 0
# Turn off annoying and useless flow control keys.
hash stty &>/dev/null && stty -ixon
# Use completion, if available.
[[ -e /etc/bash_completion ]] && source /etc/bash_completion
# SSH agent setup, if available.
[[ -e "${HOME}/.ssh/agent" ]] && source "${HOME}/.ssh/agent"
# Add various paths if they exist and aren't already in here.
DIRS="${HOME}/bin
/usr/local/apache/bin
/usr/local/mysql/bin
/usr/local/nagios/bin
/usr/local/pgsql/bin"
for DIR in $DIRS; do
if [[ -d "$DIR" ]] && [[ ":${PATH}:" != *":${DIR}:"* ]]; then
if [[ -n "$PATH" ]]; then
PATH="${DIR}:${PATH}"
else
PATH=$DIR
fi
fi
done
# If we're using an xterm, force 256 colors.
case "$TERM" in
xterm*) TERM=xterm-256color;;
esac
# If we're a screen terminal within a 256 color outer, force a 256 color
# screen terminal too. This deals with a tmux race condition bug.
case "$CONTAINING_TERM" in
*256color)
TERM=screen-256color
unset CONTAINING_TERM
;;
esac
# Figure out how many colors we have now.
hash tput && COLORS=$(tput colors)
# Save some color codes based on our colour space.
if [[ $COLORS -ge 256 ]]; then
COLOR_ROOT='\[\e[38;5;9m\]'
COLOR_SUDO='\[\e[38;5;11m\]'
COLOR_USER='\[\e[38;5;10m\]'
COLOR_NORM='\[\e[0m\]'
elif [[ $COLORS -ge 8 ]]; then
COLOR_ROOT='\[\e[1;31m\]'
COLOR_SUDO='\[\e[1;33m\]'
COLOR_USER='\[\e[1;32m\]'
COLOR_NORM='\[\e[0m\]'
else
COLOR_ROOT=
COLOR_SUDO=
COLOR_USER=
COLOR_NORM=
fi
# Reset options for ls and grep.
LS_OPTS=
GREP_OPTS=
# If we have a color terminal, we'll use color for ls and grep.
if [[ $COLORS -ge 8 ]]; then
hash dircolors &>/dev/null && eval "$(dircolors -b)"
if ls --help | grep -- --color &>/dev/null; then
LS_OPTS="${LS_OPTS} --color=auto"
fi
if grep --help | grep -- --color &>/dev/null; then
GREP_OPTS="${GREP_OPTS} --color=auto"
fi
fi
# Set up more options for grep; exclude version control files.
if ls --help | grep -- --exclude &>/dev/null; then
for PATTERN in .git .gitignore .gitmodules; do
GREP_OPTS="${GREP_OPTS} --exclude=${PATTERN}"
done
fi
if grep --help | grep -- --exclude-dir &>/dev/null; then
for PATTERN in .cvs .git .hg .svn; do
GREP_OPTS="${GREP_OPTS} --exclude-dir=${PATTERN}"
done
fi
# Alias ls and grep with the options we've collected.
alias ls="ls ${LS_OPTS}"
alias grep="grep ${GREP_OPTS}"
# Protect innocent MySQL databases from my stupidity.
alias mysql='mysql --safe-updates'
# I always do this, and I hate slow train.
alias sl='ls'
# I actually use ed now and then. Go figure.
alias ed='ed -p:'
# Make gdb shut up.
alias gdb='gdb -q'
# Decide on color for prompt.
if [[ $EUID -eq 0 ]]; then
COLOR_PROMPT=${COLOR_ROOT}
elif [[ -n $SUDO_USER ]]; then
COLOR_PROMPT=${COLOR_SUDO}
else
COLOR_PROMPT=${COLOR_USER}
fi
# Frontend to controlling prompt.
function prompt {
case "$1" in
# Turn complex coloured prompt on.
on)
PROMPT_COMMAND='history -a'
PS1='[\u@\h:\w]$(prompt return)$(prompt vcs)$(prompt jobs)\$'
PS1="${COLOR_PROMPT}${PS1}${COLOR_NORM} "
case "$TERM" in
screen*) PS1='\[\ek\h\e\\\]'${PS1};;
xterm*) PS1='\[\e]0;\h\a\]'${PS1};;
esac
;;
# Revert to simple inexpensive prompt.
off)
PROMPT_COMMAND=
PS1='\$ '
;;
# Git prompt function.
git)
git branch &>/dev/null || return 1
HEAD="$(git symbolic-ref HEAD 2>/dev/null)"
BRANCH="${HEAD##*/}"
[[ -n "$(git status 2>/dev/null | \
grep -F 'working directory clean')" ]] || STATUS="!"
printf '(git:%s)' "${BRANCH:-unknown}${STATUS}"
;;
# Mercurial prompt function.
hg)
hg branch &>/dev/null || return 1
BRANCH="$(hg branch 2>/dev/null)"
[[ -n "$(hg status 2>/dev/null)" ]] && STATUS="!"
printf '(hg:%s)' "${BRANCH:-unknown}${STATUS}"
;;
# Subversion prompt function.
svn)
svn info &>/dev/null || return 1
URL="$(svn info 2>/dev/null | \
awk -F': ' '$1 == "URL" {print $2}')"
ROOT="$(svn info 2>/dev/null | \
awk -F': ' '$1 == "Repository Root" {print $2}')"
BRANCH=${URL/$ROOT}
BRANCH=${BRANCH#/}
BRANCH=${BRANCH#branches/}
BRANCH=${BRANCH%%/*}
[[ -n "$(svn status 2>/dev/null)" ]] && STATUS="!"
printf '(svn:%s)' "${BRANCH:-unknown}${STATUS}"
;;
# VCS wrapper prompt function.
vcs)
prompt git || prompt svn || prompt hg
;;
# Return status prompt function.
return)
RETURN=$?
[[ $RETURN -ne 0 ]] && printf '<%d>' ${RETURN}
;;
# Job count prompt function.
jobs)
[[ -n "$(jobs)" ]] && printf '{%d}' $(jobs | sed -n '$=')
;;
esac
}
# Run local file if it exists.
[[ -e "${HOME}/.bashrc.local" ]] && source "${HOME}/.bashrc.local"
# Start with full-fledged prompt.
prompt on
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