File: source-format.py

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lintian-brush 0.147
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#!/usr/bin/python3
from lintian_brush.fixer import (
    report_result,
    opinionated,
    package_is_native,
    LintianIssue,
    is_debcargo_package,
    meets_minimum_certainty,
    warn,
    )
import os
import sys

if is_debcargo_package():
    sys.exit(0)

description = None

if not os.path.exists('debian/source/format'):
    orig_format = None
    format = '1.0'
    missing_source_format_issue = LintianIssue(
        'source', 'missing-debian-source-format')
    if not missing_source_format_issue.should_fix():
        sys.exit(0)
    missing_source_format_issue.report_fixed()
    description = "Explicitly specify source format."
else:
    with open('debian/source/format') as f:
        format = orig_format = f.read().strip()

if orig_format not in (None, '1.0'):
    sys.exit(0)

older_source_format_issue = LintianIssue(
    'source', 'older-source-format', info=(orig_format or '1.0'))

if older_source_format_issue.should_fix():
    if package_is_native():
        format = '3.0 (native)'
        description = "Upgrade to newer source format %s." % format
    else:
        from lintian_brush.patches import (
            tree_non_patches_changes,
            find_patches_directory,
            )
        from breezy import errors
        from breezy.workingtree import WorkingTree
        patches_directory = find_patches_directory('.')
        if patches_directory not in ('debian/patches', None):
            # Non-standard patches directory.
            warn(
                'Tree has non-standard patches directory %s.' % (
                    patches_directory))
        else:
            try:
                tree, path = WorkingTree.open_containing('.')
            except errors.NotBranchError as e:
                if not meets_minimum_certainty('possible'):
                    warn('unable to open vcs to check for delta: %s' % e)
                    sys.exit(0)
                format = "3.0 (quilt)"
                description = "Upgrade to newer source format %s." % format
            else:
                delta = list(tree_non_patches_changes(tree, patches_directory))
                if delta:
                    warn('Tree has non-quilt changes against upstream.')
                    if opinionated():
                        format = "3.0 (quilt)"
                        description = (
                            "Upgrade to newer source format %s." % format)
                        try:
                            with open('debian/source/options') as f:
                                options = list(f.readlines())
                        except FileNotFoundError:
                            options = []
                        if 'single-debian-patch\n' not in options:
                            options.append('single-debian-patch\n')
                            description = description.rstrip('.') + (
                                ', enabling single-debian-patch.')
                        if 'auto-commit\n' not in options:
                            options.append('auto-commit\n')
                        with open('debian/source/options', 'w') as f:
                            f.writelines(options)
                else:
                    format = "3.0 (quilt)"
                    description = "Upgrade to newer source format %s." % format

if not os.path.exists('debian/source'):
    os.mkdir('debian/source')

with open('debian/source/format', 'w') as f:
    f.write('%s\n' % format)

if format != '1.0':
    older_source_format_issue.report_fixed()

report_result(description=description)