PipeWire config diff, a helper script for syncing PipeWire config changes from '/usr/share/pipewire' to '/etc/pipewire' or "$XDG_CONFIG_HOME/pipewire"

pw-conf-diff.sh

#!/usr/bin/env bash

DIFFPROG="${DIFFPROG:-vimdiff}"

XDG_CONFIG_HOME="${XDG_CONFIG_HOME:-"$HOME/.config"}"

pw_datadir=/usr/share/pipewire

pw_confdir="/etc/pipewire"
#pw_confdir="$XDG_CONFIG_HOME/pipewire"

conf_savedir="$pw_confdir/.pw-conf-diff"

for conf in $(find "$pw_datadir" -name '*.conf' -type f); do
    local_conf="$(echo "$conf" | sed -e "s|$pw_datadir|$pw_confdir|")"
    prev_conf="$(echo "$conf" | sed -e "s|$pw_datadir|$conf_savedir|")"
    cmp_conf="$prev_conf"

    if [[ ! -f "$local_conf" ]]; then
        continue
    fi

    if [[ ! -f "$prev_conf" ]]; then
        cmp_conf="$local_conf"
    fi

    if diff "$cmp_conf" "$conf" >/dev/null 2>&1 ; then
        continue
    fi

    while true; do
        read -p "${local_conf}  (v)iew/(d)one/(s)kip/(q)uit:" action
        case $action in
            [Vv]*) "$DIFFPROG" "$conf" "$local_conf";;
            [Dd]*) install -Dm644 "$conf" "$prev_conf"; break;;
            [Ss]*) break;;
            [Qq]*) exit;;
            * ) echo "Input an action";;
        esac
    done
done