macOS Tahoe audio workaround script for external output devices. Uses switchaudio-osx to quickly switch to the internal output and back to the current external device, restoring audio when it gets stuck. Does nothing if the current output is already internal

fix-tahoe-audio.sh

#!/usr/bin/env bash

set -euo pipefail

export PATH="/opt/homebrew/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:${PATH:-}"

switch_audio_bin="${SWITCH_AUDIO_BIN:-}"
internal_prefix="${INTERNAL_AUDIO_PREFIX:-Mac}"

if [[ -z "$switch_audio_bin" ]]; then
  for candidate in /opt/homebrew/bin/SwitchAudioSource /usr/local/bin/SwitchAudioSource SwitchAudioSource; do
    if [[ -x "$candidate" ]] || command -v "$candidate" >/dev/null 2>&1; then
      switch_audio_bin="$candidate"
      break
    fi
  done
fi

if [[ -z "$switch_audio_bin" ]]; then
  echo "error: SwitchAudioSource is not installed or not in PATH" >&2
  echo "install with: brew install switchaudio-osx" >&2
  echo "or set SWITCH_AUDIO_BIN to the full path, e.g. /opt/homebrew/bin/SwitchAudioSource" >&2
  exit 1
fi

current_output_name="$($switch_audio_bin -c -t output -f human | head -n 1)"

if [[ -z "$current_output_name" ]]; then
  echo "error: unable to determine current output device" >&2
  exit 1
fi

if [[ "$current_output_name" == "$internal_prefix"* ]]; then
  exit 0
fi

internal_output="$($switch_audio_bin -a -t output -f human | grep -E "^${internal_prefix}" | head -n 1 || true)"

if [[ -z "$internal_output" ]]; then
  echo "error: unable to find an internal output device" >&2
  echo "set INTERNAL_AUDIO_PREFIX if your built-in output does not start with 'Mac'" >&2
  exit 1
fi

"$switch_audio_bin" -t output -s "$internal_output" >/dev/null
"$switch_audio_bin" -t output -s "$current_output_name" >/dev/null