#!/bin/sh
# 2016-08-06, alex@barton.de

# Include "ax-common.sh":
ax_common_sourced=
for dir in "$HOME/lib" "$HOME/.ax" /usr/local /opt/ax /usr; do
	[ -z "$ax_common_sourced" ] || break
	ax_common="${dir}/lib/ax/ax-common.sh"
	# shellcheck source=/usr/local/lib/ax/ax-common.sh
	[ -r "$ax_common" ] && . "$ax_common"
done
if [ -z "$ax_common_sourced" ]; then
	ax_msg() { shift; echo "$@"; }
	ax_abort() { ax_msg - "$@"; exit 1; }
fi
unset dir ax_common ax_common_sourced

ax_msg - "Updating Homebrew installation ..."
brew update || ax_abort "Update failed!"
echo

outdated=$( brew outdated --quiet | wc -l | tr -d '\t ' )
if [ $outdated -gt 0 ]; then
	ax_msg - "$outdated formula outdated:"
	brew outdated || ax_abort "Failed to list outdated packages!"
	echo
	brew upgrade --all || ax_abort "Upgrade failed!"
	brew linkapps --local || ax_abort "Linking of applications failed!"

	echo
	brew cleanup || ax_abort "\"brew cleanup\" failed!"
	brew prune || ax_abort "\"brew prune\" failed!"
else
	ax_msg - "Nothing outdated."
fi