e.upgrade

#!/bin/bash
#!shellcheck disable=SC1090,SC1091,2174
source e.bash.min new || exit $?
strict.set on
on.exit xcleanup

# installation source code directory
declare DESTDIR=/usr/share/e.bash/
# temporary installation source code directory
declare TMPDESTDIR=/tmp/usr/share/

main() {
	# Confirm location of TMPDESTDIR
	if [[ ! -d $TMPDESTDIR ]]; then
		if [[ -f ${ENTITIES:-/lib/include/e.bash/}.e.production.dir ]]; then
			TMPDESTDIR=$(< /lib/include/e.bash/.e.production.dir)
		fi
		if [[ ! -d $TMPDESTDIR ]]; then
			:
		fi
	fi
	
	msg.info "Production Directory: $TMPDESTDIR"
	
	msg.yn "Check for new version of e.bash?" || exit 1
	msg.info "Getting lastest version of e.bash from github..."
	mkdir --mode=0755 -p "$TMPDESTDIR" 
	cd "$TMPDESTDIR" || exit $?
	rm -rf "${TMPDESTDIR:=jUnK}/e.bash"	
	sudo git clone 'https://github.com/OkusiAssociates/entities.bash.git' \
			|| { >&2 echo "Not Updated."; exit $?; }
	(	
		local tmp=${_ent_VERSION}
		source e.bash/e.d/e.version.bash || exit $?
		msg.info '' \
				"Currently Installed Version: $tmp" \
				"New Version: ${_ent_VERSION}" ''
		if [[ $tmp == "${_ent_VERSION}" ]]; then
			msg.yn --warning \
					"Versions are the same. Would you like to re-install anyway?" || exit $?
		fi
	)

	# FROM e.install
	# Do BACKUP of existing $ENTITIES directory
	if [[ -d "$ENTITIES" ]]; then
		local bdir="$ENTITIES.old/e.bash-${_ent_VERSION:-$(date +%F)}"
		msg.sys "Backing up current version of e.bash" "to [$bdir.zip]"
		#shellcheck disable=SC2174
		mkdir -p --mode=770 "$ENTITIES".old			|| msg.die "Could not create $ENTITIES.old"
		mv "$ENTITIES" "$bdir" 									|| msg.die "$(errno $?)" "Could not move [${ENTITIES}] to [${bdir}]"
		( cd "$(dirname "$bdir")"								|| msg.die "cd $(dirname "$bdir") failed"
			/usr/bin/zip --quiet --recurse-paths \
				"$bdir".zip "$(basename "$bdir")"/* || msg.die "Zip failed for $bdir.zip"
		) || msg.err "Backup zip failed!"
		rm -rf "${bdir:-jUnK}" 									|| msg.die "'$bdir' could not be removed"
		# get rid of old backups; on if more than 30 backups, and only those more than 30 days old
		if (( $(find "$ENTITIES".old -maxdepth 1 -type f -name "*.zip" | wc -l) > 30 )); then
			find "$ENTITIES".old -not -newermt '30 days ago' -delete
		fi
		unset bdir
	fi

DESTDIR="/tmp/$ENTITIES"
	# remove current ENTITIES
	if [[ -d "$DESTDIR" ]]; then
		rm -rf "${DESTDIR:-jUnK}"
	fi
	mkdir -p "$DESTDIR"
				
	rsync -avql "$TMPDESTDIR/e.bash/" "${DESTDIR:-jUnK}/"	|| exit $?

	cd "$DESTDIR" || exit

	#"$DESTDIR"/e.install -i || exit $?

	msg.info "e.bash has been installed in $DESTDIR"

}

xcleanup() {
	echo >&2 "Deleting $TMPDESTDIR/"
	rm -rf ${TMPDESTDIR:-jUnK}
}

main "$@"
#fin