Arch package list generator

00-README.md

Known bugs

• Incorrectly handles packages with Provides field.

Usage

• ./native.sh > native.txt
• ./external.sh > external.txt

external.sh

#!/usr/bin/bash

################################################################################
#                                                                              #
#       Well, generate minimal list of currently installed AUR packages.       #
#                                                                              #
################################################################################

pacman -Qqemtt | sort

native.sh

#!/usr/bin/bash

########################################################################################################################
#                                                                                                                      #
#                 Generate minimal native packages and groups list to reproduce current installation.                  #
#                                                                                                                      #
########################################################################################################################

native=$(   pacman -Qqn    | sort ) # ← All packages installed from Arch repos (excluding AUR, ofc).
explicit=$( pacman -Qqentt | sort ) # ← Explicitly installed packages excluding AUR that aren't direct dependencies.

installedGroups="" # ← Groups with all packages installed.
grouped=""         # ← Packages from installed groups.

# ↓ All groups:
groups=$(curl -s "https://archlinux.org/groups/" | pup '.results a text{}')

# ↓ Iterate over groups:
while read name; do
    # ↓ Packages in group:
    group=$(curl -s "https://archlinux.org/groups/x86_64/${name}/" | pup '.results a text{}' | sort | uniq)

    # ↓ Packages that are both in current group and in installed packages list:
    common=$(comm -12 <(echo "${native}") <(echo "${group}") | sort)

    # ↓ Check if all packages from group are installed:
    if [ "${common}" = "${group}" ]; then
        grouped=$(         cat <<< "${grouped}"; cat         <<< "${group}" )
        installedGroups=$( cat <<< "${installedGroups}"; cat <<< "${name}"  )
    fi
done <<< $(echo "${groups}")

# ↓ Remove grouped packages from explitcitly installed list:
woGrouped=$(comm -23 <(echo "${explicit}") <(sort <<< "${grouped}"))

# ↓ Add group names, remove blank lines (idk if they may be or not may be, but idc):
wGroups=$((cat <<< "${woGrouped}"; cat <<< "${installedGroups}") | sort | awk "NF")

echo "${wGroups}" # ← Print result.