dotfiles/symlinks/bin/migrate-installation

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#!/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