#!/usr/bin/env bash
set -euo pipefail
hie_bios_flags() {
  bazel build //compiler/damlc:damlc@ghci \
    --output_groups=hie_bios \
    --experimental_show_artifacts \
    2>&1 \
    | awk '
      BEGIN { rts_opts = false }
      /^>>>/ {
        while ((getline line < substr($1, 4)) > 0) {
          if (rts_opts) {
            if (line == "-RTS") {
              rts_opts = false
            }
          } else if (line == "+RTS") {
            rts_opts = true
          } else if (match(line, "-qg|-fexternal-interpreter")) {
          } else {
            print line
          }
        }
      }'
}
if [[ -z "${HIE_BIOS_OUTPUT-}" ]]; then
  hie_bios_flags
else
  hie_bios_flags >"$HIE_BIOS_OUTPUT"
fi