Bash script to determine how a binary was installed

how.sh

how() {
  YELLOW='\033[1;33m'
  NC='\033[0m'

  if [[ "$1" == "" || "$1" == "-h" || "$1" == "--help" ]]; then
    echo "Usage: $0 <binary name>"
    echo ""
    echo "This will search for the binary in a few different places and try and determine how it was installed."
    return 1
  fi

  if command -v dnf > /dev/null; then
    DNF_RESULT=`dnf list --installed | grep "$1"`

    if echo "$DNF_RESULT" | awk '{print $1}' | cut -d'.' -f1 | grep -q "$1"; then
      if echo "$DNF_RESULT" | grep -q "@@commandline"; then
        echo "Installed via: ${YELLOW}dnf${NC} (local/manual install of .rpm)"
        return 0
      else
        echo "Installed via: ${YELLOW}dnf${NC}"
        return 0
      fi
    fi
  fi

  if command -v brew > /dev/null; then
    if brew list | awk '{print}' | grep -q "$1"; then
      echo "Installed via: ${YELLOW}brew${NC}"
      return 0
    fi
  fi

  if command -v flatpak > /dev/null; then
    # TODO
  fi

  if command -v snap > /dev/null; then
    # TODO
  fi

  if command -v composer > /dev/null; then
    COMPOSER_HOME=`composer config --list --global | grep '\[home\]' | awk '{print $2}'`
    
    if [[ -f "$COMPOSER_HOME/vendor/bin/$1" ]]; then
      echo "Installed via: ${YELLOW}composer${NC} (global)"
      return 0
    fi

    if [[ -f "./vendor/bin/$1" ]]; then
      echo "Installed via: ${YELLOW}composer${NC} (local)"
      return 0
    fi

  fi

  if command -v alias > /dev/null; then
    if alias | grep "^$1=" > /dev/null; then
      echo "${YELLOW}$1${NC} is an alias"
      return 0
    fi
  fi

  echo "Checks didn't return anything. Probably manually installed. TODO: Implement flatpak, snap etc"

  return 1
}