environment

#
# Tureba's shell-agnostic environment settings
#
#   To use it, source this from the shell resource files.
#
# who: Arthur Nascimento <tureba@gmail.com>
# where: github.com/tureba/myconfigfiles
#

# if TERM st and it is not available, fallback to xterm
if [[ $TERM =~ '^st\b' ]]; then
	infocmp $TERM &>/dev/null || TERM=xterm${TERM#st}
fi

# prepend paths to variables only when they aren't yet set
() {
	while [[ ${#@} -ge 2 ]]; do
		eval "[[ \$$1 =~ \"(^|:)$2(:|$)\" ]] || export $1=\"$2\${$1:+:\${$1}}\""
		shift 2
	done
} \
	PATH "${HOME}/local/bin" \
	PATH "${HOME}/.local/bin" \
	LD_LIBRARY_PATH "${HOME}/local/lib" \
	LD_LIBRARY_PATH "${HOME}/.local/lib" \
	MANPATH "${HOME}/local/share/man"

# LC_ALL would overide all others
unset LC_ALL
# system messages shouldn't be translated
export LC_MESSAGES=C
# prefer YYYY-MM-DD HH:mm (ISO 8601)
# TODO: find a better solution
#export LC_TIME=en_DK.UTF-8
# it's a safe failback nowadays
LANG=$(locale -a | grep -e '^C.[uU][tT][fF]-\?8$')
export LANG=${LANG:-C}


export EDITOR=vim
export PAGER=less
which htop &>/dev/null && alias top=htop

# case insensitive search, squeeze blank lines, chop long lines, long prompt, display raw characters, shift right/left by 1/10th of screen size
export LESS="-i -s -S -M -R -# .1"

if [[ $- =~ i ]]; then
	# less, man, most etc colors
	export LESS_TERMCAP_mb=$(tput bold; tput setaf 2)
	export LESS_TERMCAP_md=$(tput bold; tput setaf 6)
	export LESS_TERMCAP_me=$(tput sgr0)
	export LESS_TERMCAP_so=$(tput bold; tput setaf 3; tput setab 4)
	export LESS_TERMCAP_se=$(tput rmso; tput sgr0)
	export LESS_TERMCAP_us=$(tput smul; tput bold; tput setaf 7)
	export LESS_TERMCAP_ue=$(tput rmul; tput sgr0)
	export LESS_TERMCAP_mr=$(tput rev)
	export LESS_TERMCAP_mh=$(tput dim)
	export LESS_TERMCAP_ZN=$(tput ssubm)
	export LESS_TERMCAP_ZV=$(tput rsubm)
	export LESS_TERMCAP_ZO=$(tput ssupm)
	export LESS_TERMCAP_ZW=$(tput rsupm)
fi

# follow the XDG Base and User Directory Specifications
export XDG_DATA_HOME=${XDG_DATA_HOME:-$HOME/.local/share}
export XDG_CONFIG_HOME=${XDG_CONFIG_HOME:-$HOME/.config}
export XDG_CACHE_HOME=${XDG_CACHE_HOME:-$HOME/.cache}
export XDG_DOWNLOAD_DIR=${XDG_DOWNLOAD_DIR:-$HOME/.download}
export XDG_DESKTOP_DIR=${XDG_DESKTOP_DIR:-$HOME}

export INPUTRC=~/.inputrc
export VIMINIT='let $MYVIMRC="$XDG_CONFIG_HOME/vim/vimrc" | source $MYVIMRC'

### setup the key agent ###
SSH_ENV="$HOME/.ssh/environment"
# Source SSH settings, if applicable
[ -f "${SSH_ENV}" ] && . "${SSH_ENV}" &>/dev/null
# if the agent is not running, start it
grep -q ssh-agent /proc/${SSH_AGENT_PID}/cmdline &>/dev/null || {
	ssh-agent | (umask 077 ; sed /echo/d >"${SSH_ENV}")
	. "${SSH_ENV}" &>/dev/null
}
# add all known keys
ssh-add -l &>/dev/null || ssh-add 2>/dev/null
unset SSH_ENV

# cd relative to git's project root
function cdg {
	cd "$(git rev-parse --show-toplevel)/$1"
}

# send SMS
function smstocel {
	m=$(mmcli --list-modems | awk '/ModemManager/{print $1; exit}')

	s=$(mmcli -m ${m:?error no modem} --messaging-create-sms="text='$@',number='${CEL:?error no cell}'" | awk '/ModemManager/{print $1; exit}')

	mmcli -s ${s:?error no sms} --send && mmcli -m $m --messaging-delete-sms=$s
}