check_unused.sh

#! /usr/bin/env bash

# Extract strings
fx_repo="/Users/flodolo/github/firefox-ios"
python ./extract_ids_strings.py "${fx_repo}/Client/Frontend/Strings.swift"

input="./string_ids.txt"
while IFS= read -r line
do
  # take action on $line #
  parts=(${line})
  id="${parts[0]}"
  last_update="${parts[1]}"
  grep -qr "${fx_repo}" --include=\*.swift --exclude=Strings.swift -e "\.${id}" && : || echo "${id} ${last_update}"
done < "$input"

extract_ids_strings.py

#! /usr/bin/env python3

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

import argparse
import os
import sys


def main():
    parser = argparse.ArgumentParser()
    parser.add_argument(
        "path",
        help="Path to Client/Frontend/Strings.swift",
    )
    args = parser.parse_args()

    ids = []
    with open(args.path) as f:
        lines = f.readlines()
        for index, line in enumerate(lines):
            line = line.strip()
            # Example: public static let ProtectionStatusSecure = MZLocalizedString(
            if "= MZLocalizedString(" in line:
                id = line[: -len(" = MZLocalizedString(")].split(" ")[-1]
                for i in range(3, 6):
                    if "lastUpdated" in lines[index + i]:
                        last_update = (
                            lines[index + i].strip().split(".")[-1].rstrip(")")
                        )
                ids.append(f"{id} ({last_update})")
    ids.sort()

    with open("string_ids.txt", "w") as f:
        f.write("\n".join(ids))


if __name__ == "__main__":
    main()

Unused strings in Fx iOS

(last update: 2022-08-26)

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