muele-marlin/buildroot/bin/use_example_configs

#!/usr/bin/env bash

IFS=: read -r PART1 PART2 <<< "$@"
[ -n "${PART2}" ] && { REPO="$PART1" ; RDIR="${PART2// /%20}" ; } \
                  || { REPO=bugfix-2.0.x   ; RDIR="${PART1// /%20}" ; }
EXAMPLES="https://raw.githubusercontent.com/MarlinFirmware/Configurations/$REPO/config/examples"

which curl >/dev/null && TOOL='curl -L -s -S -f -o wgot'
which wget >/dev/null && TOOL='wget -q -O wgot'

restore_configs

cd Marlin

$TOOL "$EXAMPLES/$RDIR/Configuration.h"     >/dev/null 2>&1 && mv wgot Configuration.h
$TOOL "$EXAMPLES/$RDIR/Configuration_adv.h" >/dev/null 2>&1 && mv wgot Configuration.h
$TOOL "$EXAMPLES/$RDIR/_Bootscreen.h"       >/dev/null 2>&1 && mv wgot Configuration.h
$TOOL "$EXAMPLES/$RDIR/_Statusscreen.h"     >/dev/null 2>&1 && mv wgot Configuration.h

rm -f wgot
cd - >/dev/null