# vim:filetype=sh
# .bashrc for interactive shells

# enable some shell options
while read opt comment; do
	[ -n "$opt" -a "$opt" != . ] && shopt -s $opt
done <<\EOF
cdspell		correct minor errors in the spelling of a directory
.		component in  a 'cd' command
checkhash	check if hashed command path exists before executing
.		the command, refresh if needed
checkwinsize	check window size after each command, update LINES and COLUMNS
cmdhist		save all lines of a multiple-line command in the same history
.		entry
extglob		use extended pattern matching rules ?,*,+,@,!()
histreedit	allow re-edition of failed history substitution
huponexit	send SIGHUP to all jobs when login shell exits
no_empty_cmd_completion	don't try to autocomplete on an empty line
promptvars	prompt strings undergo normal expansion
EOF

# disable some shell options
while read opt comment; do
	[ -n "$opt" -a "$opt" != . ] && shopt -u $opt
done <<\EOF
hostcomplete	don't try to complete hostnames for words containing a @
nullglob	don't expand to nothing if pattern fails to match any filename
failglob	don't error if pattern fails to match any filename
EOF
# want this:
#sourcepath	don't use PATH for "source" (".")

set -P # use physical directory instead of symlink, in cd/pushd/...

## history
shopt -s histappend
HISTFILE=~/.bash_history
HISTFILESIZE=8000
HISTSIZE=2000
# add :ignorespace to ignore lines beginning with whitespace
HISTCONTROL=erasedups
HISTTIMEFORMAT="%F %T -- "

## vim alias
## gvim if DISPLAY set and to localhost
_check_gvim()
{
	# if DISPLAY set, check if it isn't a remote DISPLAY
	if [ -n "$DISPLAY" ]; then
		_check_if_remote_display
		return $?
	fi

	# OS X: gvim uses cocoa
	[ $(uname -s) = Darwin ]

	# failed otherwise
}

if _exists gvim && _check_gvim; then
	alias vi=mvim
	alias vim=mvim
elif _exists vim; then
	alias vi=svim
	alias vim=svim
	[ -n "$DISPLAY" ] && _exists gvim || alias gvim=svim
else
	alias vim=vi
	alias gvim=vi
fi

## remove temporary function
unset _check_gvim

## less alias
if _exists less; then
	alias more=less
else
	alias less=more
fi