#!/bin/sh

if [ -z "$1" ]
then
	INSTALLATION_NAME=$(hostname)
else
	INSTALLATION_NAME=$1
fi


PACKAGES_DIRECTORY=$HOME/.dotfiles/installed_packages/$INSTALLATION_NAME

if [ ! -d "$PACKAGES_DIRECTORY" ]; then
	mkdir $PACKAGES_DIRECTORY
fi

CURDIR=$PWD

if type pacman > /dev/null 2>&1
then
	pacman -Qqe | grep -vx "$(pacman -Qqm)" > $PACKAGES_DIRECTORY/Arch
	pacman -Qqm > $PACKAGES_DIRECTORY/AUR
fi

if type apt > /dev/null 2>&1
then
	sudo dpkg-query -f '${binary:Package}\n' -W > $PACKAGES_DIRECTORY/apt
fi

if type flatpak > /dev/null 2>&1
then
	flatpak list | cut -f2 > $PACKAGES_DIRECTORY/flatpak
fi

if type pip2 > /dev/null 2>&1
then
	pip2 list > $PACKAGES_DIRECTORY/pip2
fi
if type pip3 > /dev/null 2>&1
then
	pip3 list > $PACKAGES_DIRECTORY/pip3
fi

if type gem > /dev/null 2>&1
then
	gem list > $PACKAGES_DIRECTORY/gem
fi

if type npm > /dev/null 2>&1
then
	npm ls -g --depth=0 "$@" 1>$PACKAGES_DIRECTORY/npm 2>/dev/null
fi

if type brew > /dev/null 2>&1
then
	cd $PACKAGES_DIRECTORY
	brew bundle dump
	cd $CURDIR
fi