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7edbf43 Mar 28, 2016
117 lines (98 sloc) 3.21 KB
# Ensure we're using at least version 2.05. Weird arithmetic syntax needed here
# due to leading zeroes and trailing letters in some 2.x version numbers (e.g.
# 2.05a).
if ! [ -n "$BASH_VERSINFO" ] ; then
elif ((BASH_VERSINFO[0] == 2)) && \
((10#${BASH_VERSINFO[1]%%[![:digit:]]*} < 5)) ; then
# Don't do anything if not running interactively
if [[ $- != *i* ]] ; then
# Don't do anything if running a restricted shell
if shopt -q restricted_shell ; then
# Keep around sixteen million lines of history in file
HISTFILESIZE=$((1 << 24))
# Keep around four thousand lines of history in memory
HISTSIZE=$((1 << 12))
# Ignore duplicate commands and whitespace in history
# Keep the times of the commands in history
# Don't warn me about new mail
unset -v MAILCHECK
# Never beep at me
setterm -bfreq -blength 2>/dev/null
# Turn off flow control and control character echo
stty -ixon -ctlecho 2>/dev/null
# Don't let anyone write(1) to my terminal
mesg n
# Don't allow the creation of aliases, functions are better
enable -n alias unalias
# Autocorrect fudged paths in cd calls
shopt -s cdspell
# Update the hash table properly
shopt -s checkhash
# Update columns and rows if window size changes
shopt -s checkwinsize
# Put multi-line commands onto one line of history
shopt -s cmdhist
# Include dotfiles in pattern matching
shopt -s dotglob
# Don't use aliases, functions are better
shopt -u expand_aliases
# Enable advanced pattern matching
shopt -s extglob
# Append rather than overwrite Bash history
shopt -s histappend
# Repeat the line on failed history expansion
shopt -s histreedit
# Repeat the expanded line on successful history expansion
shopt -s histverify
# Don't use Bash's builtin host completion
shopt -u hostcomplete
# Don't warn me about new mail all the time
shopt -u mailwarn
# Ignore me if I try to complete an empty line
shopt -s no_empty_cmd_completion
# Use programmable completion, if available
shopt -s progcomp
# Warn me if I try to shift when there's nothing there
shopt -s shift_verbose
# Don't use PATH to find files to source
shopt -u sourcepath
# These options only exist since Bash 4.0-alpha
if ((BASH_VERSINFO[0] == 4)) ; then
# Autocorrect fudged paths during completion
shopt -s dirspell
# Enable double-starring paths
shopt -s globstar
# Warn me about stopped jobs when exiting; only if >=4.1 due to bug
# <>
if ((BASH_VERSINFO[1] >= 1)) ; then
shopt -s checkjobs
# Expand variables in directory completion; only available since 4.3
if ((BASH_VERSINFO[1] >= 3)) ; then
shopt -s direxpand
# If COMP_WORDBREAKS has a value, strip all colons from it; this allows
# completing filenames correctly, since an unquoted colon is not a syntactic
# character: <> (E13)
if [[ $COMP_WORDBREAKS ]] ; then
# Load any supplementary scripts
if [[ -d $HOME/.bashrc.d ]] ; then
for bashrc in "$HOME"/.bashrc.d/*.bash ; do
if [[ -e $bashrc ]] ; then
source "$bashrc"
unset -v bashrc
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