bump_new_version.py

import re
import sys
import os
import shutil

def update_flutter_version_and_copy_changelog(new_version_name, changelog_file):
    # Define the regex pattern to match the version line in the pubspec.yaml file
    version_pattern = r'version:\s*([\d.]+)\+(\d+)'

    # Open and read the pubspec.yaml file
    with open('pubspec.yaml', 'r') as pubspec_file:
        pubspec_content = pubspec_file.read()

    matches = re.search(version_pattern, pubspec_content)
    if matches:
        version_name, version_code = matches.groups()
        version_code = int(version_code)
    else:
        print('No version information found in pubspec.yaml')

    # Update the version in pubspec.yaml with the provided version argument
    new_version_code = version_code + 1
    new_pubspec_content = pubspec_content.replace(f"version: {version_name}+{version_code}", f"version: {new_version_name}+{new_version_code}")

    # Write the updated content back to pubspec.yaml
    with open('pubspec.yaml', 'w') as pubspec_file:
        pubspec_file.write(new_pubspec_content)

    print(f'Updated version to {new_version_name} in pubspec.yaml')
    print(f'Incremented version code to {new_version_code}')

    # Copy the changelog file to the specified location (for F-droid)
    changelog_destination = os.path.join('metadata/en-US/changelogs', f'{new_version_code}.txt')
    shutil.copy(changelog_file, changelog_destination)
    print(f'Copied changelog to {changelog_destination}')

    # Copy the changelog file to the specified location (for Github action)
    changelog_destination = os.path.join('metadata/en-US', 'whatsnew-en-US')
    shutil.copy(changelog_file, changelog_destination)
    print(f'Copied changelog to {changelog_destination}')

if __name__ == '__main__':
    if len(sys.argv) != 3:
        print("Usage: python update_flutter_version.py <new_version> <changelog_file>")
    else:
        new_version = sys.argv[1]
        changelog_file = sys.argv[2]
        update_flutter_version_and_copy_changelog(new_version, changelog_file)