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mads

vcs: introduce 'branches' attribute on changesets, making it possible for Git to show multiple branches for a changeset

Mercurial changesets will always have have exactly one branch (which might be
"default"). The VCS data model was the same.

Git allows for a changeset to have 0 or more branches ... and possibly one of
them as active. The right data model is thus to have an enumerable of branches.

We thus add a 'branches' attribute and use it where applicable.

The existing 'branch' attribute used some heuristics to decide which branch use
as "the" branch ... and in some places code (and tests) rely on that. We thus
keep that old method, knowing that some of its uses probably should move to
'branches'.

The code for retrieving Git branches is based on work by Dominik Ruf.

#!/usr/bin/env python2
"""
Based on kallithea/lib/paster_commands/template.ini.mako, generate
  development.ini
  kallithea/tests/test.ini
"""

import re

from kallithea.lib import inifile

# files to be generated from the mako template
ini_files = [
    ('development.ini',
        {
            '[server:main]': {
                'host': '0.0.0.0',
            },
            '[app:main]': {
                'initial_repo_scan': 'true',
                'debug': 'true',
                'app_instance_uuid': 'development-not-secret',
                'beaker.session.secret': 'development-not-secret',
            },
            '[handler_console]': {
                'formatter': 'color_formatter',
            },
            '[handler_console_sql]': {
                'formatter': 'color_formatter_sql',
            },
        },
    ),
]


def main():
    # make sure all mako lines starting with '#' (the '##' comments) are marked up as <text>
    makofile = inifile.template_file
    print 'reading:', makofile
    mako_org = open(makofile).read()
    mako_no_text_markup = re.sub(r'</?%text>', '', mako_org)
    mako_marked_up = re.sub(r'\n(##.*)', r'\n<%text>\1</%text>', mako_no_text_markup, flags=re.MULTILINE)
    if mako_marked_up != mako_org:
        print 'writing:', makofile
        open(makofile, 'w').write(mako_marked_up)

    # create ini files
    for fn, settings in ini_files:
        print 'updating:', fn
        inifile.create(fn, None, settings)


if __name__ == '__main__':
    main()