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# Make sure the shell is interactive
case $- in
*i*) ;;
*) return ;;
esac
# Don't do anything if restricted, not even sourcing the ENV file
# Testing $- for "r" doesn't work
# shellcheck disable=SC2128
[ -n "$BASH_VERSINFO" ] && shopt -q restricted_shell && return
# Clear away all aliases; we do this here rather than in $ENV because the ksh
# family of shells relies on aliases to implement certain POSIX utilities like
# fc(1) and type(1)
unalias -a
# If ENV is set, source it to get all the POSIX-compatible interactive stuff;
# we should be able to do this even if we're running a truly ancient Bash
[ -n "$ENV" ] && . "$ENV"
# Ensure we're using at least version 2.05. Weird arithmetic syntax needed here
# due to leading zeroes and trailing letters in some 2.x version numbers (e.g.
# 2.05a).
# shellcheck disable=SC2128
[ -n "$BASH_VERSINFO" ] || return
((BASH_VERSINFO[0] == 2)) &&
((10#${BASH_VERSINFO[1]%%[!0-9]*} < 5)) &&
return
# Keep around 32K lines of history in file
HISTFILESIZE=$((1 << 15))
# Ignore duplicate commands and whitespace in history
HISTCONTROL=ignoreboth
# Keep the times of the commands in history
HISTTIMEFORMAT='%F %T '
# Use a more compact format for the time builtin's output
TIMEFORMAT='real:%lR user:%lU sys:%lS'
# 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
# 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
# Use Bash's builtin host completion
shopt -s hostcomplete
# Don't change newlines to semicolons in history
shopt -s lithist
# 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
# <https://lists.gnu.org/archive/html/bug-bash/2009-02/msg00176.html>
((BASH_VERSINFO[1] >= 1)) && shopt -s checkjobs
# Expand variables in directory completion; only available since 4.3
((BASH_VERSINFO[1] >= 3)) && shopt -s direxpand
fi
# Load Bash-specific startup files
for sh in "$HOME"/.bashrc.d/*.bash ; do
[[ -e $sh ]] && source "$sh"
done
unset -v sh
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