MarlinFirmware/buildroot/bin/opt_disable

#!/usr/bin/env bash

# exit on first failure
set -e

# Get SED_CMD, SED_I, and the BSDSED flag
. $(dirname $0)/opt_sed

for opt in "$@" ; do
  DID=0 ; FOUND=0
  for FN in Marlin/Configuration.h Marlin/Configuration_adv.h; do
    if [[ $BSDSED ]]; then
      # BSD sed version (macOS)
      "${SED_CMD}" "${SED_I[@]}" \
        "/^[[:space:]]*#define[[:space:]]+${opt}\b/{
          s/^[[:space:]]*\(#define[[:space:]]+${opt}\b.*\)/\/\/\1/
          h
          \$b end
        }
        \$!b
        :end
        x
        /./{ x; q0; }
        x
        q1" \
        $FN && DID=1
    else
      # GNU sed version
      "${SED_CMD}" "${SED_I[@]}" \
        "/^\(\s*\)\(#define\s\+${opt}\b\s\?\)\(\s\s\)\?/{s//\1\/\/\2/;h};\${x;/./{x;q0};x;q1}" \
        $FN && DID=1
    fi
    ((DID||FOUND)) || { grep -E "^\s*\/\/#define\s+${opt}\b" $FN >/dev/null && FOUND=1 ; }
  done
  ((DID||FOUND)) || (echo "ERROR: $(basename $0) Can't find ${opt}" >&2 && exit 9)
done