#!/bin/sh


# keeping a fresh list of all explicitly installed packages

pacman -Qqe > "/home/jay/stuf/ARESEES/pkglist.txt"
pacman -Qqen > "/home/jay/stuf/ARESEES/pkglist_native.txt"
pacman -Qqem > "/home/jay/stuf/ARESEES/pkglist_foreign.txt"

# pacman -S --needed - < pkglist.txt to install them
# pacman -S --needed $(comm -12 <(pacman -Slq | sort) <(sort pkglist.txt)) to filter out the AUR ones
# pacman -Rsu $(comm -23 <(pacman -Qq | sort) <(sort pkglist.txt)) final check to make sure only listed packages are present on the system

# -----------------------------------------------------------------------------------------------------------------------------

# removing all but 3 most recent package versions

paccache -r
paccache -ruk0 # every version if said package is uninstalled

# you can enable/start paccache.timer for the first one to happen automatically

# -----------------------------------------------------------------------------------------------------------------------------

# removing orphaned packages

pacman -Qtdq | pacman -Rns -

# will throw an error if list is empty, this is fine
# pacman -Qqd | pacman -Rsu --print - does the same as above(?) but also hits circular and excessive dependencies

# -----------------------------------------------------------------------------------------------------------------------------

# figure something out for dotfiles (google: rmshit.py)