#!/usr/bin/env nix-shell
#!nix-shell --pure -i bash -p jq bash -I nixpkgs=https://github.com/NixOS/nixpkgs/archive/fea633695211167753ee732c9087808d0c57461c.tar.gz

set -euET -o pipefail

usage() {
  printf "Usage: %q [path/to/.config/chromium/Default/]"\\n "$0"
}

if test $# -ne 1; then
  usage
  exit 1
elif test $# -eq 1 && (test "x$1" = "x-h" || test "x$1" = "x--help"); then
  usage
  exit 0
fi

if test $# -ge 1; then
  profile="$1"
else
  # use printf to avoid echo's ambiguity; save trailing whitespace with a dummy x (not needed here as the string ends with "Default", but a good habit nevertheless)
  profile="$(printf "%sx" ~/.config/chromium/Default/)"
  profile="${profile%x}"
fi

jq '.roots[] | recurse(.children?[]?) | "\( .name? ): \( .url? )"' < "$profile"/Bookmarks