#!/usr/bin/env bash
# Parses a Brewfile and trusts all declared taps via `brew trust --tap`.
#
# Usage: ublue-brew-trust-brewfile <path-to-Brewfile>

set -euo pipefail

brewfile="${1:?Usage: ublue-brew-trust-brewfile <path-to-Brewfile>}"

if [[ ! -f "$brewfile" ]]; then
  echo "ublue-brew-trust-brewfile: file not found: $brewfile" >&2
  exit 1
fi

# Matches 'tap "foo/bar"'
tap_pattern='^tap[[:space:]]+"([^"]+)"'

while IFS= read -r line; do
  if [[ "$line" =~ $tap_pattern ]]; then
    tap="${BASH_REMATCH[1]}"
    brew trust --tap "$tap"
  fi
done <"$brewfile"