| 1 | # -*- coding: utf-8 -*- |
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| 2 | # |
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| 3 | # Copyright (C) 2012-2014 Jun Omae <jun66j5@gmail.com> |
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| 4 | # All rights reserved. |
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| 5 | # |
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| 6 | # This software is licensed as described in the file COPYING, which |
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| 7 | # you should have received as part of this distribution. |
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| 8 | |
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| 9 | import os |
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| 10 | import posixpath |
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| 11 | from cStringIO import StringIO |
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| 12 | from datetime import datetime |
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| 13 | from threading import RLock |
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| 14 | |
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| 15 | try: |
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| 16 | import pygit2 |
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| 17 | except ImportError: |
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| 18 | pygit2 = None |
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| 19 | pygit2_version = None |
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| 20 | else: |
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| 21 | from pygit2 import ( |
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| 22 | GIT_OBJ_BLOB, GIT_OBJ_COMMIT, GIT_OBJ_TAG, GIT_OBJ_TREE, |
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| 23 | GIT_SORT_REVERSE, GIT_SORT_TIME, GIT_SORT_TOPOLOGICAL, |
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| 24 | ) |
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| 25 | pygit2_version = pygit2.__version__ |
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| 26 | if hasattr(pygit2, 'LIBGIT2_VERSION'): |
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| 27 | pygit2_version = '%s (compiled with libgit2 %s)' % \ |
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| 28 | (pygit2_version, pygit2.LIBGIT2_VERSION) |
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| 29 | |
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| 30 | from genshi.builder import tag |
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| 31 | |
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| 32 | from trac.core import Component, implements, TracError |
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| 33 | from trac.env import Environment, ISystemInfoProvider |
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| 34 | from trac.util import shorten_line |
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| 35 | from trac.util.compat import any |
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| 36 | from trac.util.datefmt import ( |
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| 37 | FixedOffset, format_datetime, to_timestamp, to_utimestamp, utc, |
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| 38 | ) |
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| 39 | from trac.util.text import exception_to_unicode, to_unicode |
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| 40 | from trac.versioncontrol.api import ( |
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| 41 | Changeset, Node, Repository, IRepositoryConnector, NoSuchChangeset, |
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| 42 | NoSuchNode, |
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| 43 | ) |
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| 44 | from trac.versioncontrol.cache import ( |
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| 45 | CACHE_METADATA_KEYS, CACHE_REPOSITORY_DIR, CACHE_YOUNGEST_REV, |
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| 46 | CachedRepository, CachedChangeset, |
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| 47 | ) |
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| 48 | from trac.versioncontrol.web_ui import IPropertyRenderer, RenderedProperty |
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| 49 | from trac.web.chrome import Chrome |
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| 50 | from trac.wiki import IWikiSyntaxProvider |
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| 51 | from trac.wiki.formatter import wiki_to_oneliner |
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| 52 | |
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| 53 | try: |
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| 54 | from trac.util.datefmt import user_time |
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| 55 | except ImportError: |
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| 56 | def user_time(req, func, *args, **kwargs): |
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| 57 | if 'tzinfo' not in kwargs: |
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| 58 | kwargs['tzinfo'] = getattr(req, 'tz', None) |
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| 59 | if 'locale' not in kwargs: |
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| 60 | kwargs['locale'] = getattr(req, 'locale', None) |
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| 61 | return func(*args, **kwargs) |
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| 62 | |
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| 63 | try: |
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| 64 | from tracopt.versioncontrol.git.git_fs import GitConnector \ |
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| 65 | as TracGitConnector |
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| 66 | except ImportError: |
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| 67 | try: |
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| 68 | from tracext.git.git_fs import GitConnector as TracGitConnector |
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| 69 | except ImportError: |
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| 70 | TracGitConnector = None |
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| 71 | |
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| 72 | from tracext.pygit2.translation import ( |
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| 73 | BoolOption, IntOption, Option, N_, _, gettext, tag_, |
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| 74 | ) |
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| 75 | |
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| 76 | |
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| 77 | __all__ = ['GitCachedRepository', 'GitCachedChangeset', 'GitConnector', |
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| 78 | 'GitRepository', 'GitChangeset', 'GitNode'] |
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| 79 | |
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| 80 | _filemode_submodule = 0160000 |
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| 81 | _diff_find_rename_limit = 200 |
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| 82 | |
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| 83 | if pygit2: |
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| 84 | _status_map = {'A': Changeset.ADD, 'D': Changeset.DELETE, |
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| 85 | 'M': Changeset.EDIT, 'R': Changeset.MOVE, |
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| 86 | 'C': Changeset.COPY} |
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| 87 | if hasattr(pygit2.TreeEntry, 'filemode'): |
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| 88 | _get_filemode = lambda tree_entry: tree_entry.filemode |
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| 89 | else: |
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| 90 | _get_filemode = lambda tree_entry: tree_entry.attributes |
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| 91 | _walk_flags = GIT_SORT_TIME |
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| 92 | if not hasattr(pygit2.Patch, 'delta'): # prior to v0.22.1 |
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| 93 | def _iter_changes_from_diff(diff): |
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| 94 | for patch in diff: |
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| 95 | yield patch.old_file_path, patch.new_file_path, patch.status |
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| 96 | else: |
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| 97 | def _iter_changes_from_diff(diff): |
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| 98 | for patch in diff: |
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| 99 | delta = patch.delta |
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| 100 | yield delta.old_file.path, delta.new_file.path, delta.status |
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| 101 | else: |
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| 102 | _status_map = {} |
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| 103 | _get_filemode = None |
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| 104 | _walk_flags = 0 |
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| 105 | _iter_changes_from_diff = None |
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| 106 | |
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| 107 | |
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| 108 | _inverted_kindmap = {Node.DIRECTORY: 'D', Node.FILE: 'F'} |
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| 109 | _inverted_actionmap = {Changeset.ADD: 'A', Changeset.COPY: 'C', |
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| 110 | Changeset.DELETE: 'D', Changeset.EDIT: 'E', |
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| 111 | Changeset.MOVE: 'M'} |
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| 112 | |
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| 113 | |
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| 114 | if hasattr(Environment, 'db_exc'): |
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| 115 | def _db_exc(env): |
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| 116 | return env.db_exc |
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| 117 | else: |
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| 118 | def _db_exc(env): |
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| 119 | uri = env.config.get('trac', 'database', '') |
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| 120 | if uri.startswith('sqlite:'): |
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| 121 | from trac.db.sqlite_backend import sqlite |
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| 122 | return sqlite |
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| 123 | if uri.startswith('postgres:'): |
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| 124 | from trac.db.postgres_backend import psycopg |
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| 125 | return psycopg |
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| 126 | if uri.startswith('mysql:'): |
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| 127 | from trac.db.mysql_backend import MySQLdb |
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| 128 | return MySQLdb |
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| 129 | raise ValueError('Unsupported database "%s"' % uri.split(':')[0]) |
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| 130 | |
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| 131 | |
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| 132 | class GitCachedRepository(CachedRepository): |
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| 133 | """Git-specific cached repository.""" |
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| 134 | |
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| 135 | has_linear_changesets = False |
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| 136 | |
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| 137 | def short_rev(self, rev): |
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| 138 | return self.repos.short_rev(rev) |
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| 139 | |
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| 140 | def display_rev(self, rev): |
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| 141 | return self.short_rev(rev) |
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| 142 | |
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| 143 | def normalize_rev(self, rev): |
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| 144 | return self.repos.normalize_rev(rev) |
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| 145 | |
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| 146 | def get_changeset(self, rev): |
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| 147 | return GitCachedChangeset(self, self.normalize_rev(rev), self.env) |
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| 148 | |
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| 149 | def get_node(self, path, rev=None): |
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| 150 | return self.repos.get_node(path, rev=rev) |
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| 151 | |
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| 152 | def get_youngest_rev(self): |
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| 153 | # return None if repository is empty |
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| 154 | return CachedRepository.get_youngest_rev(self) or None |
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| 155 | |
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| 156 | def get_quickjump_entries(self, rev): |
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| 157 | try: |
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| 158 | rev = self.normalize_rev(rev) |
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| 159 | except NoSuchChangeset: |
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| 160 | return () |
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| 161 | else: |
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| 162 | return self.repos.get_quickjump_entries(rev) |
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| 163 | |
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| 164 | def has_node(self, path, rev=None): |
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| 165 | try: |
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| 166 | self.get_node(path, rev=rev) |
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| 167 | except (NoSuchChangeset, NoSuchNode): |
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| 168 | return False |
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| 169 | else: |
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| 170 | return True |
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| 171 | |
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| 172 | def parent_revs(self, rev): |
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| 173 | return self.repos.parent_revs(rev) |
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| 174 | |
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| 175 | def child_revs(self, rev): |
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| 176 | return self.repos.child_revs(rev) |
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| 177 | |
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| 178 | def sync(self, feedback=None, clean=False): |
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| 179 | if clean: |
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| 180 | self.remove_cache() |
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| 181 | |
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| 182 | metadata = self.metadata |
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| 183 | self.save_metadata(metadata) |
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| 184 | meta_youngest = metadata.get(CACHE_YOUNGEST_REV, '') |
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| 185 | repos = self.repos |
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| 186 | git_repos = repos.git_repos |
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| 187 | db = self.env.get_read_db() |
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| 188 | |
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| 189 | IntegrityError = _db_exc(self.env).IntegrityError |
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| 190 | cursor = db.cursor() |
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| 191 | |
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| 192 | def is_synced(rev): |
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| 193 | cursor.execute("SELECT COUNT(repos) FROM revision " |
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| 194 | "WHERE repos=%s AND rev=%s", |
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| 195 | (self.id, rev)) |
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| 196 | row = cursor.fetchone() |
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| 197 | return row[0] > 0 |
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| 198 | |
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| 199 | def traverse(commit, seen): |
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| 200 | commits = [] |
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| 201 | merges = [] |
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| 202 | while True: |
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| 203 | rev = commit.hex |
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| 204 | if rev in seen: |
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| 205 | break |
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| 206 | seen.add(rev) |
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| 207 | if is_synced(rev): |
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| 208 | break |
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| 209 | commits.append(commit) |
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| 210 | parents = commit.parents |
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| 211 | if not parents: # root commit? |
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| 212 | break |
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| 213 | commit = parents[0] |
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| 214 | if len(parents) > 1: |
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| 215 | merges.append((len(commits), parents[1:])) |
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| 216 | for idx, parents in reversed(merges): |
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| 217 | for parent in parents: |
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| 218 | commits[idx:idx] = traverse(parent, seen) |
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| 219 | return commits |
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| 220 | |
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| 221 | while True: |
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| 222 | repos_youngest = repos.youngest_rev or '' |
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| 223 | updated = [False] |
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| 224 | seen = set() |
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| 225 | |
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| 226 | for name in git_repos.listall_references(): |
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| 227 | ref = git_repos.lookup_reference(name) |
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| 228 | git_object = ref.get_object() |
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| 229 | type_ = git_object.type |
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| 230 | if type_ == GIT_OBJ_TAG: |
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| 231 | git_object = git_object.get_object() |
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| 232 | type_ = git_object.type |
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| 233 | if type_ != GIT_OBJ_COMMIT: |
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| 234 | continue |
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| 235 | |
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| 236 | commits = traverse(git_object, seen) # topology ordered |
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| 237 | while commits: |
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| 238 | # sync revision from older revision to newer revision |
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| 239 | commit = commits.pop() |
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| 240 | rev = commit.hex |
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| 241 | self.log.info("Trying to sync revision [%s]", rev) |
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| 242 | cset = GitChangeset(repos, commit) |
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| 243 | @self.env.with_transaction() |
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| 244 | def do_insert(db): |
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| 245 | try: |
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| 246 | self._insert_cset(db, rev, cset) |
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| 247 | updated[0] = True |
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| 248 | except IntegrityError, e: |
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| 249 | self.log.info('Revision %s already cached: %r', |
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| 250 | rev, e) |
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| 251 | db.rollback() |
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| 252 | if feedback: |
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| 253 | feedback(rev) |
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| 254 | |
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| 255 | if updated[0]: |
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| 256 | continue # sync again |
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| 257 | |
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| 258 | if meta_youngest != repos_youngest: |
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| 259 | @self.env.with_transaction() |
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| 260 | def update_metadata(db): |
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| 261 | cursor = db.cursor() |
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| 262 | cursor.execute(""" |
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| 263 | UPDATE repository SET value=%s WHERE id=%s AND name=%s |
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| 264 | """, (repos_youngest, self.id, CACHE_YOUNGEST_REV)) |
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| 265 | del self.metadata |
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| 266 | return |
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| 267 | |
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| 268 | if not hasattr(CachedRepository, 'remove_cache'): |
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| 269 | def remove_cache(self): |
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| 270 | self.log.info("Cleaning cache") |
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| 271 | @self.env.with_transaction() |
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| 272 | def fn(db): |
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| 273 | cursor = db.cursor() |
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| 274 | cursor.execute("DELETE FROM revision WHERE repos=%s", |
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| 275 | (self.id,)) |
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| 276 | cursor.execute("DELETE FROM node_change WHERE repos=%s", |
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| 277 | (self.id,)) |
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| 278 | cursor.executemany( |
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| 279 | "DELETE FROM repository WHERE id=%s AND name=%s", |
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| 280 | [(self.id, k) for k in CACHE_METADATA_KEYS]) |
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| 281 | cursor.executemany(""" |
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| 282 | INSERT INTO repository (id, name, value) |
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| 283 | VALUES (%s, %s, %s) |
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| 284 | """, [(self.id, k, '') for k in CACHE_METADATA_KEYS]) |
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| 285 | del self.metadata |
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| 286 | |
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| 287 | if not hasattr(CachedRepository, 'save_metadata'): |
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| 288 | def save_metadata(self, metadata): |
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| 289 | @self.env.with_transaction() |
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| 290 | def fn(db): |
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| 291 | invalidate = False |
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| 292 | cursor = db.cursor() |
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| 293 | |
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| 294 | # -- check that we're populating the cache for the correct |
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| 295 | # repository |
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| 296 | repository_dir = metadata.get(CACHE_REPOSITORY_DIR) |
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| 297 | if repository_dir: |
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| 298 | # directory part of the repo name can vary on case |
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| 299 | # insensitive fs |
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| 300 | if os.path.normcase(repository_dir) \ |
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| 301 | != os.path.normcase(self.name): |
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| 302 | self.log.info("'repository_dir' has changed from %r " |
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| 303 | "to %r", repository_dir, self.name) |
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| 304 | raise TracError(_( |
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| 305 | "The repository directory has changed, you should " |
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| 306 | "resynchronize the repository with: trac-admin " |
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| 307 | "$ENV repository resync '%(reponame)s'", |
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| 308 | reponame=self.reponame or '(default)')) |
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| 309 | elif repository_dir is None: # |
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| 310 | self.log.info('Storing initial "repository_dir": %s', |
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| 311 | self.name) |
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| 312 | cursor.execute("INSERT INTO repository (id, name, value) " |
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| 313 | "VALUES (%s, %s, %s)", |
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| 314 | (self.id, CACHE_REPOSITORY_DIR, self.name)) |
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| 315 | invalidate = True |
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| 316 | else: # 'repository_dir' cleared by a resync |
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| 317 | self.log.info('Resetting "repository_dir": %s', self.name) |
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| 318 | cursor.execute("UPDATE repository SET value=%s " |
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| 319 | "WHERE id=%s AND name=%s", |
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| 320 | (self.name, self.id, CACHE_REPOSITORY_DIR)) |
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| 321 | invalidate = True |
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| 322 | |
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| 323 | # -- insert a 'youngeset_rev' for the repository if necessary |
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| 324 | if CACHE_YOUNGEST_REV not in metadata: |
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| 325 | cursor.execute("INSERT INTO repository (id, name, value) " |
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| 326 | "VALUES (%s, %s, %s)", |
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| 327 | (self.id, CACHE_YOUNGEST_REV, '')) |
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| 328 | invalidate = True |
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| 329 | |
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| 330 | if invalidate: |
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| 331 | del self.metadata |
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| 332 | |
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| 333 | if hasattr(CachedRepository, 'insert_changeset'): |
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| 334 | def _insert_cset(self, db, rev, cset): |
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| 335 | return self.insert_changeset(rev, cset) |
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| 336 | else: |
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| 337 | def _insert_cset(self, db, rev, cset): |
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| 338 | cursor = db.cursor() |
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| 339 | srev = self.db_rev(rev) |
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| 340 | cursor.execute(""" |
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| 341 | INSERT INTO revision (repos,rev,time,author,message) |
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| 342 | VALUES (%s,%s,%s,%s,%s) |
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| 343 | """, (self.id, srev, to_utimestamp(cset.date), |
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| 344 | cset.author, cset.message)) |
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| 345 | for path, kind, action, bpath, brev in cset.get_changes(): |
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| 346 | self.log.debug("Caching node change in [%s]: %r", rev, |
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| 347 | (path, kind, action, bpath, brev)) |
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| 348 | kind = _inverted_kindmap[kind] |
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| 349 | action = _inverted_actionmap[action] |
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| 350 | cursor.execute(""" |
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| 351 | INSERT INTO node_change |
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| 352 | (repos,rev,path,node_type,change_type,base_path, |
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| 353 | base_rev) |
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| 354 | VALUES (%s,%s,%s,%s,%s,%s,%s) |
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| 355 | """, (self.id, srev, path, kind, action, bpath, brev)) |
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| 356 | |
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| 357 | |
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| 358 | class GitCachedChangeset(CachedChangeset): |
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| 359 | """Git-specific cached changeset.""" |
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| 360 | |
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| 361 | def get_branches(self): |
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| 362 | return self.repos.repos._get_branches_cset(self.rev) |
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| 363 | |
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| 364 | def get_tags(self): |
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| 365 | return self.repos.repos._get_tags_cset(self.rev) |
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| 366 | |
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| 367 | |
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| 368 | def intersperse(sep, iterable): |
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| 369 | """The 'intersperse' generator takes an element and an iterable and |
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| 370 | intersperses that element between the elements of the iterable. |
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| 371 | |
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| 372 | inspired by Haskell's ``Data.List.intersperse`` |
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| 373 | """ |
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| 374 | |
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| 375 | for i, item in enumerate(iterable): |
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| 376 | if i: |
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| 377 | yield sep |
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| 378 | yield item |
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| 379 | |
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| 380 | |
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| 381 | def _git_timestamp(ts, offset): |
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| 382 | if offset == 0: |
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| 383 | tz = utc |
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| 384 | else: |
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| 385 | hours, rem = divmod(abs(offset), 60) |
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| 386 | tzname = 'UTC%+03d:%02d' % ((hours, -hours)[offset < 0], rem) |
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| 387 | tz = FixedOffset(offset, tzname) |
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| 388 | return datetime.fromtimestamp(ts, tz) |
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| 389 | |
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| 390 | |
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| 391 | def _format_signature(signature): |
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| 392 | name = signature.name.strip() |
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| 393 | email = signature.email.strip() |
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| 394 | return ('%s <%s>' % (name, email)).strip() |
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| 395 | |
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| 396 | |
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| 397 | def _walk_tree(repos, tree, path=None): |
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| 398 | for entry in tree: |
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| 399 | if _get_filemode(entry) == _filemode_submodule: |
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| 400 | continue |
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| 401 | git_object = repos.get(entry.oid) |
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| 402 | if git_object is None: |
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| 403 | continue |
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| 404 | if path is not None: |
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| 405 | name = posixpath.join(path, entry.name) |
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| 406 | else: |
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| 407 | name = entry.name |
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| 408 | if git_object.type == GIT_OBJ_TREE: |
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| 409 | for val in _walk_tree(repos, git_object, name): |
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| 410 | yield val |
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| 411 | else: |
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| 412 | yield git_object, name |
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| 413 | |
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| 414 | |
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| 415 | class _CachedWalker(object): |
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| 416 | |
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| 417 | __slots__ = ('rev', 'walker', 'revs', 'commits', '_lock') |
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| 418 | |
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| 419 | def __init__(self, git_repos, rev, flags=_walk_flags): |
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| 420 | self.rev = rev |
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| 421 | self.walker = git_repos.walk(rev, flags) |
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| 422 | self.revs = set() |
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| 423 | self.commits = [] |
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| 424 | self._lock = RLock() |
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| 425 | |
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| 426 | def __contains__(self, rev): |
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| 427 | self._lock.acquire() |
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| 428 | try: |
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| 429 | if rev in self.revs: |
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| 430 | return True |
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| 431 | add_rev = self.revs.add |
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| 432 | add_commit = self.commits.append |
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| 433 | for commit in self.walker: |
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| 434 | old_rev = commit.hex |
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| 435 | add_commit(commit) |
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| 436 | add_rev(old_rev) |
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| 437 | if old_rev == rev: |
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| 438 | return True |
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| 439 | return False |
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| 440 | finally: |
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| 441 | self._lock.release() |
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| 442 | |
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| 443 | def reverse(self, start_rev): |
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| 444 | self._lock.acquire() |
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| 445 | try: |
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| 446 | if start_rev in self: |
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| 447 | commits = self.commits |
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| 448 | idx = len(commits) - 1 |
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| 449 | for idx in xrange(len(commits) - 1, -1, -1): |
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| 450 | commit = commits[idx] |
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| 451 | if commit.hex == start_rev: |
|---|
| 452 | return reversed(commits[0:idx + 1]) |
|---|
| 453 | return () |
|---|
| 454 | finally: |
|---|
| 455 | self._lock.release() |
|---|
| 456 | |
|---|
| 457 | |
|---|
| 458 | class GitConnector(Component): |
|---|
| 459 | |
|---|
| 460 | implements(ISystemInfoProvider, IRepositoryConnector, IWikiSyntaxProvider) |
|---|
| 461 | |
|---|
| 462 | # ISystemInfoProvider methods |
|---|
| 463 | |
|---|
| 464 | def get_system_info(self): |
|---|
| 465 | if pygit2: |
|---|
| 466 | yield 'pygit2', pygit2_version |
|---|
| 467 | |
|---|
| 468 | # IWikiSyntaxProvider methods |
|---|
| 469 | |
|---|
| 470 | def _format_sha_link(self, formatter, rev, label): |
|---|
| 471 | # FIXME: this function needs serious rethinking... |
|---|
| 472 | |
|---|
| 473 | reponame = '' |
|---|
| 474 | |
|---|
| 475 | context = formatter.context |
|---|
| 476 | while context: |
|---|
| 477 | if context.resource.realm in ('source', 'changeset'): |
|---|
| 478 | reponame = context.resource.parent.id |
|---|
| 479 | break |
|---|
| 480 | context = context.parent |
|---|
| 481 | |
|---|
| 482 | try: |
|---|
| 483 | repos = self.env.get_repository(reponame) |
|---|
| 484 | |
|---|
| 485 | if not repos: |
|---|
| 486 | raise Exception("Repository '%s' not found" % reponame) |
|---|
| 487 | |
|---|
| 488 | rev = repos.normalize_rev(rev) # in case it was abbreviated |
|---|
| 489 | changeset = repos.get_changeset(rev) |
|---|
| 490 | return tag.a(label, class_='changeset', |
|---|
| 491 | title=shorten_line(changeset.message), |
|---|
| 492 | href=formatter.href.changeset(rev, repos.reponame)) |
|---|
| 493 | except Exception, e: |
|---|
| 494 | return tag.a(label, class_='missing changeset', |
|---|
| 495 | title=to_unicode(e), rel='nofollow') |
|---|
| 496 | |
|---|
| 497 | def get_wiki_syntax(self): |
|---|
| 498 | yield (r'(?:\b|!)r?[0-9a-fA-F]{%d,40}\b' % self.wiki_shortrev_len, |
|---|
| 499 | lambda fmt, rev, match: |
|---|
| 500 | self._format_sha_link(fmt, rev.startswith('r') |
|---|
| 501 | and rev[1:] or rev, rev)) |
|---|
| 502 | |
|---|
| 503 | def get_link_resolvers(self): |
|---|
| 504 | return () |
|---|
| 505 | |
|---|
| 506 | if TracGitConnector: |
|---|
| 507 | @property |
|---|
| 508 | def cached_repository(self): |
|---|
| 509 | return TracGitConnector(self.env).cached_repository |
|---|
| 510 | |
|---|
| 511 | @property |
|---|
| 512 | def shortrev_len(self): |
|---|
| 513 | return TracGitConnector(self.env).shortrev_len |
|---|
| 514 | |
|---|
| 515 | @property |
|---|
| 516 | def wiki_shortrev_len(self): |
|---|
| 517 | return TracGitConnector(self.env).wiki_shortrev_len |
|---|
| 518 | |
|---|
| 519 | @property |
|---|
| 520 | def trac_user_rlookup(self): |
|---|
| 521 | return TracGitConnector(self.env).trac_user_rlookup |
|---|
| 522 | |
|---|
| 523 | @property |
|---|
| 524 | def use_committer_id(self): |
|---|
| 525 | return TracGitConnector(self.env).use_committer_id |
|---|
| 526 | |
|---|
| 527 | @property |
|---|
| 528 | def use_committer_time(self): |
|---|
| 529 | return TracGitConnector(self.env).use_committer_time |
|---|
| 530 | |
|---|
| 531 | @property |
|---|
| 532 | def git_fs_encoding(self): |
|---|
| 533 | return TracGitConnector(self.env).git_fs_encoding |
|---|
| 534 | else: |
|---|
| 535 | cached_repository = BoolOption('git', 'cached_repository', 'false', |
|---|
| 536 | N_("Wrap `GitRepository` in `CachedRepository`.")) |
|---|
| 537 | |
|---|
| 538 | shortrev_len = IntOption('git', 'shortrev_len', 7, |
|---|
| 539 | N_("The length at which a sha1 should be abbreviated to (must be " |
|---|
| 540 | ">= 4 and <= 40).")) |
|---|
| 541 | |
|---|
| 542 | wiki_shortrev_len = IntOption('git', 'wikishortrev_len', 40, |
|---|
| 543 | N_("The minimum length of an hex-string for which auto-detection " |
|---|
| 544 | "as sha1 is performed (must be >= 4 and <= 40).")) |
|---|
| 545 | |
|---|
| 546 | trac_user_rlookup = BoolOption('git', 'trac_user_rlookup', 'false', |
|---|
| 547 | N_("Enable reverse mapping of git email addresses to trac user " |
|---|
| 548 | "ids (costly if you have many users).")) |
|---|
| 549 | |
|---|
| 550 | use_committer_id = BoolOption('git', 'use_committer_id', 'true', |
|---|
| 551 | N_("Use git-committer id instead of git-author id for the " |
|---|
| 552 | "changeset ''Author'' field.")) |
|---|
| 553 | |
|---|
| 554 | use_committer_time = BoolOption('git', 'use_committer_time', 'true', |
|---|
| 555 | N_("Use git-committer timestamp instead of git-author timestamp " |
|---|
| 556 | "for the changeset ''Timestamp'' field.")) |
|---|
| 557 | |
|---|
| 558 | git_fs_encoding = Option('git', 'git_fs_encoding', 'utf-8', |
|---|
| 559 | N_("Define charset encoding of paths within git repositories.")) |
|---|
| 560 | |
|---|
| 561 | # IRepositoryConnector methods |
|---|
| 562 | |
|---|
| 563 | def get_supported_types(self): |
|---|
| 564 | if pygit2: |
|---|
| 565 | yield 'git', 4 # lower priority than tracopt.v.git |
|---|
| 566 | yield 'pygit2', 8 |
|---|
| 567 | yield 'direct-pygit2', 8 |
|---|
| 568 | yield 'cached-pygit2', 8 |
|---|
| 569 | |
|---|
| 570 | def get_repository(self, type, dir, params): |
|---|
| 571 | """GitRepository factory method""" |
|---|
| 572 | assert type in ('git', 'pygit2', 'direct-pygit2', 'cached-pygit2') |
|---|
| 573 | |
|---|
| 574 | if not (4 <= self.shortrev_len <= 40): |
|---|
| 575 | raise TracError(_("[git] shortrev_len setting must be within " |
|---|
| 576 | "[4..40]")) |
|---|
| 577 | |
|---|
| 578 | if not (4 <= self.wiki_shortrev_len <= 40): |
|---|
| 579 | raise TracError(_("[git] wikishortrev_len must be within [4..40]")) |
|---|
| 580 | |
|---|
| 581 | if self.trac_user_rlookup: |
|---|
| 582 | format_signature = self._format_signature_by_email |
|---|
| 583 | else: |
|---|
| 584 | format_signature = None |
|---|
| 585 | |
|---|
| 586 | repos = GitRepository(dir, params, self.log, |
|---|
| 587 | git_fs_encoding=self.git_fs_encoding, |
|---|
| 588 | shortrev_len=self.shortrev_len, |
|---|
| 589 | format_signature=format_signature, |
|---|
| 590 | use_committer_id=self.use_committer_id, |
|---|
| 591 | use_committer_time=self.use_committer_time) |
|---|
| 592 | |
|---|
| 593 | if type == 'cached-pygit2': |
|---|
| 594 | use_cached = True |
|---|
| 595 | elif type == 'direct-pygit2': |
|---|
| 596 | use_cached = False |
|---|
| 597 | else: |
|---|
| 598 | use_cached = self.cached_repository |
|---|
| 599 | if use_cached: |
|---|
| 600 | repos = GitCachedRepository(self.env, repos, self.log) |
|---|
| 601 | self.log.debug("enabled CachedRepository for '%s'", dir) |
|---|
| 602 | else: |
|---|
| 603 | self.log.debug("disabled CachedRepository for '%s'", dir) |
|---|
| 604 | |
|---|
| 605 | return repos |
|---|
| 606 | |
|---|
| 607 | def _format_signature_by_email(self, signature): |
|---|
| 608 | """Reverse map 'real name <user@domain.tld>' addresses to trac |
|---|
| 609 | user ids. |
|---|
| 610 | """ |
|---|
| 611 | email = (signature.email or '').strip() |
|---|
| 612 | if email: |
|---|
| 613 | email = email.lower() |
|---|
| 614 | for username, name, _email in self.env.get_known_users(): |
|---|
| 615 | if _email and email == _email.lower(): |
|---|
| 616 | return username |
|---|
| 617 | return _format_signature(signature) |
|---|
| 618 | |
|---|
| 619 | |
|---|
| 620 | class CsetPropertyRenderer(Component): |
|---|
| 621 | |
|---|
| 622 | implements(IPropertyRenderer) |
|---|
| 623 | |
|---|
| 624 | git_properties = ( |
|---|
| 625 | N_("Parents:"), N_("Children:"), N_("Branches:"), N_("Tags:"), |
|---|
| 626 | ) |
|---|
| 627 | |
|---|
| 628 | # relied upon by GitChangeset |
|---|
| 629 | def match_property(self, name, mode): |
|---|
| 630 | if (mode == 'revprop' and |
|---|
| 631 | name.startswith('git-') and |
|---|
| 632 | name[4:] in ('Parents', 'Children', 'Branches', 'Tags', |
|---|
| 633 | 'committer', 'author')): |
|---|
| 634 | return 4 |
|---|
| 635 | return 0 |
|---|
| 636 | |
|---|
| 637 | def render_property(self, name, mode, context, props): |
|---|
| 638 | if name.startswith('git-'): |
|---|
| 639 | label = name[4:] + ':' |
|---|
| 640 | if label in self.git_properties: |
|---|
| 641 | label = gettext(label) |
|---|
| 642 | else: |
|---|
| 643 | label = name |
|---|
| 644 | return RenderedProperty( |
|---|
| 645 | name=label, name_attributes=[('class', 'property')], |
|---|
| 646 | content=self._render_property(name, props[name], context)) |
|---|
| 647 | |
|---|
| 648 | def _render_property(self, name, value, context): |
|---|
| 649 | if name == 'git-Branches': |
|---|
| 650 | return self._render_branches(context, value) |
|---|
| 651 | |
|---|
| 652 | if name == 'git-Tags': |
|---|
| 653 | return self._render_tags(context, value) |
|---|
| 654 | |
|---|
| 655 | if name == 'git-Parents' and len(value) > 1: |
|---|
| 656 | return self._render_merge_commit(context, value) |
|---|
| 657 | |
|---|
| 658 | if name in ('git-Parents', 'git-Children'): |
|---|
| 659 | return self._render_revs(context, value) |
|---|
| 660 | |
|---|
| 661 | if name in ('git-committer', 'git-author'): |
|---|
| 662 | return self._render_signature(context, value) |
|---|
| 663 | |
|---|
| 664 | raise TracError("Internal error") |
|---|
| 665 | |
|---|
| 666 | def _render_branches(self, context, branches): |
|---|
| 667 | links = [self._changeset_link(context, rev, name) |
|---|
| 668 | for name, rev in branches] |
|---|
| 669 | return tag(*intersperse(', ', links)) |
|---|
| 670 | |
|---|
| 671 | def _render_tags(self, context, names): |
|---|
| 672 | rev = context.resource.id |
|---|
| 673 | links = [self._changeset_link(context, rev, name) for name in names] |
|---|
| 674 | return tag(*intersperse(', ', links)) |
|---|
| 675 | |
|---|
| 676 | def _render_revs(self, context, revs): |
|---|
| 677 | links = [self._changeset_link(context, rev) for rev in revs] |
|---|
| 678 | return tag(*intersperse(', ', links)) |
|---|
| 679 | |
|---|
| 680 | def _render_merge_commit(self, context, revs): |
|---|
| 681 | # we got a merge... |
|---|
| 682 | curr_rev = context.resource.id |
|---|
| 683 | reponame = context.resource.parent.id |
|---|
| 684 | href = context.href |
|---|
| 685 | |
|---|
| 686 | def parent_diff(rev): |
|---|
| 687 | link = self._changeset_link(context, rev) |
|---|
| 688 | diff = tag.a(_("diff"), |
|---|
| 689 | href=href.changeset(curr_rev, reponame, old=rev), |
|---|
| 690 | title=_("Diff against this parent (show the changes " |
|---|
| 691 | "merged from the other parents)")) |
|---|
| 692 | return tag_("%(rev)s (%(diff)s)", rev=link, diff=diff) |
|---|
| 693 | |
|---|
| 694 | links = intersperse(', ', map(parent_diff, revs)) |
|---|
| 695 | hint = wiki_to_oneliner( |
|---|
| 696 | _("'''Note''': this is a '''merge''' changeset, the changes " |
|---|
| 697 | "displayed below correspond to the merge itself. Use the " |
|---|
| 698 | "`(diff)` links above to see all the changes relative to each " |
|---|
| 699 | "parent."), |
|---|
| 700 | self.env) |
|---|
| 701 | return tag(list(links), tag.br(), tag.span(hint, class_='hint')) |
|---|
| 702 | |
|---|
| 703 | def _render_signature(self, context, signature): |
|---|
| 704 | req = context.req |
|---|
| 705 | dt = _git_timestamp(signature.time, signature.offset) |
|---|
| 706 | chrome = Chrome(self.env) |
|---|
| 707 | return u'%s (%s)' % (chrome.format_author(req, signature.name), |
|---|
| 708 | user_time(req, format_datetime, dt)) |
|---|
| 709 | |
|---|
| 710 | def _changeset_link(self, context, rev, label=None): |
|---|
| 711 | # `rev` is assumed to be a non-abbreviated 40-chars sha id |
|---|
| 712 | reponame = context.resource.parent.id |
|---|
| 713 | repos = self.env.get_repository(reponame) |
|---|
| 714 | try: |
|---|
| 715 | cset = repos.get_changeset(rev) |
|---|
| 716 | except (NoSuchChangeset, NoSuchNode), e: |
|---|
| 717 | return tag.a(rev, class_='missing changeset', title=to_unicode(e), |
|---|
| 718 | rel='nofollow') |
|---|
| 719 | if label is None: |
|---|
| 720 | label = repos.display_rev(rev) |
|---|
| 721 | return tag.a(label, class_='changeset', |
|---|
| 722 | title=shorten_line(cset.message), |
|---|
| 723 | href=context.href.changeset(rev, repos.reponame)) |
|---|
| 724 | |
|---|
| 725 | |
|---|
| 726 | class GitRepository(Repository): |
|---|
| 727 | """Git repository""" |
|---|
| 728 | |
|---|
| 729 | has_linear_changesets = False |
|---|
| 730 | |
|---|
| 731 | def __init__(self, path, params, log, git_fs_encoding='utf-8', |
|---|
| 732 | shortrev_len=7, format_signature=None, use_committer_id=False, |
|---|
| 733 | use_committer_time=False): |
|---|
| 734 | |
|---|
| 735 | try: |
|---|
| 736 | self.git_repos = pygit2.Repository(path) |
|---|
| 737 | except Exception, e: |
|---|
| 738 | log.warn('Not git repository: %r (%s)', path, |
|---|
| 739 | exception_to_unicode(e)) |
|---|
| 740 | raise TracError(_("%(path)s does not appear to be a Git " |
|---|
| 741 | "repository.", path=path)) |
|---|
| 742 | |
|---|
| 743 | self.path = path |
|---|
| 744 | self.params = params |
|---|
| 745 | self.git_fs_encoding = git_fs_encoding |
|---|
| 746 | self.shortrev_len = max(4, min(shortrev_len, 40)) |
|---|
| 747 | self.format_signature = format_signature or _format_signature |
|---|
| 748 | self.use_committer_id = use_committer_id |
|---|
| 749 | self.use_committer_time = use_committer_time |
|---|
| 750 | self._ref_walkers = {} |
|---|
| 751 | Repository.__init__(self, 'git:' + path, self.params, log) |
|---|
| 752 | |
|---|
| 753 | def _from_fspath(self, name): |
|---|
| 754 | return name.decode(self.git_fs_encoding) |
|---|
| 755 | |
|---|
| 756 | def _to_fspath(self, name): |
|---|
| 757 | return name.encode(self.git_fs_encoding) |
|---|
| 758 | |
|---|
| 759 | def _stringify_rev(self, rev): |
|---|
| 760 | if rev is not None and not isinstance(rev, unicode): |
|---|
| 761 | rev = to_unicode(rev) |
|---|
| 762 | return rev |
|---|
| 763 | |
|---|
| 764 | def _get_commit_username(self, commit): |
|---|
| 765 | if self.use_committer_id: |
|---|
| 766 | signature = commit.committer or commit.author |
|---|
| 767 | else: |
|---|
| 768 | signature = commit.author or commit.committer |
|---|
| 769 | return self.format_signature(signature) |
|---|
| 770 | |
|---|
| 771 | def _get_commit_time(self, commit): |
|---|
| 772 | if self.use_committer_time: |
|---|
| 773 | signature = commit.committer or commit.author |
|---|
| 774 | else: |
|---|
| 775 | signature = commit.author or commit.committer |
|---|
| 776 | return _git_timestamp(signature.time, signature.offset) |
|---|
| 777 | |
|---|
| 778 | def _get_tree_entry(self, tree, path): |
|---|
| 779 | if not path: |
|---|
| 780 | return None |
|---|
| 781 | if isinstance(path, unicode): |
|---|
| 782 | path = self._to_fspath(path) |
|---|
| 783 | entry = tree |
|---|
| 784 | for name in path.split('/'): |
|---|
| 785 | if tree is None or tree.type != GIT_OBJ_TREE or name not in tree: |
|---|
| 786 | return None |
|---|
| 787 | entry = tree[name] |
|---|
| 788 | tree = self.git_repos.get(entry.oid) |
|---|
| 789 | return entry |
|---|
| 790 | |
|---|
| 791 | def _get_tree(self, tree, path): |
|---|
| 792 | if not path: |
|---|
| 793 | return tree |
|---|
| 794 | entry = self._get_tree_entry(tree, path) |
|---|
| 795 | if entry: |
|---|
| 796 | return self.git_repos.get(entry.oid) |
|---|
| 797 | return None |
|---|
| 798 | |
|---|
| 799 | def _get_commit(self, oid): |
|---|
| 800 | git_repos = self.git_repos |
|---|
| 801 | try: |
|---|
| 802 | git_object = git_repos[oid] |
|---|
| 803 | except (KeyError, ValueError): |
|---|
| 804 | return None |
|---|
| 805 | if git_object.type == GIT_OBJ_TAG: |
|---|
| 806 | git_object = git_object.get_object() |
|---|
| 807 | if git_object.type == GIT_OBJ_COMMIT: |
|---|
| 808 | return git_object |
|---|
| 809 | return None |
|---|
| 810 | |
|---|
| 811 | def _iter_ref_walkers(self, rev): |
|---|
| 812 | git_repos = self.git_repos |
|---|
| 813 | target = git_repos[rev] |
|---|
| 814 | |
|---|
| 815 | walkers = self._ref_walkers |
|---|
| 816 | for name in git_repos.listall_references(): |
|---|
| 817 | if not name.startswith('refs/heads/'): |
|---|
| 818 | continue |
|---|
| 819 | ref = git_repos.lookup_reference(name) |
|---|
| 820 | commit = self._get_commit(ref.target) |
|---|
| 821 | if not commit: |
|---|
| 822 | continue |
|---|
| 823 | if commit.commit_time < target.commit_time: |
|---|
| 824 | continue |
|---|
| 825 | walker = walkers.get(name) |
|---|
| 826 | if walker and walker.rev != commit.hex: |
|---|
| 827 | walker = None |
|---|
| 828 | if not walker: |
|---|
| 829 | walkers[name] = walker = _CachedWalker(git_repos, commit.hex) |
|---|
| 830 | yield self._from_fspath(name), ref, walker |
|---|
| 831 | |
|---|
| 832 | def _get_changes(self, parent_tree, commit_tree): |
|---|
| 833 | diff = parent_tree.diff_to_tree(commit_tree) |
|---|
| 834 | # don't detect rename if the diff has too many files |
|---|
| 835 | if len(diff) <= _diff_find_rename_limit or \ |
|---|
| 836 | sum(patch.status == 'A' |
|---|
| 837 | for patch in diff) <= _diff_find_rename_limit: |
|---|
| 838 | diff.find_similar() |
|---|
| 839 | _from_fspath = self._from_fspath |
|---|
| 840 | generator = ((_from_fspath(old_path), _from_fspath(new_path), status) |
|---|
| 841 | for old_path, new_path, status |
|---|
| 842 | in _iter_changes_from_diff(diff) if status in _status_map) |
|---|
| 843 | return sorted(generator, key=lambda item: item[1]) |
|---|
| 844 | |
|---|
| 845 | def _get_branches(self, rev): |
|---|
| 846 | return sorted((name[11:], ref.target.hex) |
|---|
| 847 | for name, ref, walker in self._iter_ref_walkers(rev) |
|---|
| 848 | if rev in walker) |
|---|
| 849 | |
|---|
| 850 | def _get_branches_cset(self, rev): |
|---|
| 851 | return [(name, r == rev) for name, r in self._get_branches(rev)] |
|---|
| 852 | |
|---|
| 853 | def _get_tags_cset(self, rev): |
|---|
| 854 | git_repos = self.git_repos |
|---|
| 855 | _from_fspath = self._from_fspath |
|---|
| 856 | |
|---|
| 857 | def iter_tags(): |
|---|
| 858 | for name in git_repos.listall_references(): |
|---|
| 859 | if not name.startswith('refs/tags/'): |
|---|
| 860 | continue |
|---|
| 861 | ref = git_repos.lookup_reference(name) |
|---|
| 862 | git_object = ref.get_object() |
|---|
| 863 | if git_object.type == GIT_OBJ_TAG: |
|---|
| 864 | git_object = git_object.get_object() |
|---|
| 865 | if rev == git_object.hex: |
|---|
| 866 | yield _from_fspath(name[10:]) |
|---|
| 867 | |
|---|
| 868 | return sorted(iter_tags()) |
|---|
| 869 | |
|---|
| 870 | def _resolve_rev(self, rev, raises=True): |
|---|
| 871 | git_repos = self.git_repos |
|---|
| 872 | rev = self._stringify_rev(rev) |
|---|
| 873 | if not rev: |
|---|
| 874 | try: |
|---|
| 875 | return git_repos.get(git_repos.head.target) |
|---|
| 876 | except pygit2.GitError: |
|---|
| 877 | if raises: |
|---|
| 878 | raise NoSuchChangeset(rev) |
|---|
| 879 | return None |
|---|
| 880 | |
|---|
| 881 | commit = self._get_commit(rev) |
|---|
| 882 | if commit: |
|---|
| 883 | return commit |
|---|
| 884 | |
|---|
| 885 | for name in git_repos.listall_references(): |
|---|
| 886 | ref = git_repos.lookup_reference(name) |
|---|
| 887 | name = self._from_fspath(name) |
|---|
| 888 | if name.startswith('refs/heads/'): |
|---|
| 889 | match = name[11:] == rev |
|---|
| 890 | elif name.startswith('refs/tags/'): |
|---|
| 891 | match = name[10:] == rev |
|---|
| 892 | else: |
|---|
| 893 | continue |
|---|
| 894 | if not match: |
|---|
| 895 | continue |
|---|
| 896 | commit = self._get_commit(ref.target) |
|---|
| 897 | if commit: |
|---|
| 898 | return commit |
|---|
| 899 | |
|---|
| 900 | if raises: |
|---|
| 901 | raise NoSuchChangeset(rev) |
|---|
| 902 | |
|---|
| 903 | def close(self): |
|---|
| 904 | self._ref_walkers.clear() |
|---|
| 905 | self.git_repos = None |
|---|
| 906 | |
|---|
| 907 | def get_youngest_rev(self): |
|---|
| 908 | try: |
|---|
| 909 | return self.git_repos.head.target.hex |
|---|
| 910 | except pygit2.GitError: |
|---|
| 911 | return None |
|---|
| 912 | |
|---|
| 913 | def get_oldest_rev(self): |
|---|
| 914 | try: |
|---|
| 915 | self.git_repos.head |
|---|
| 916 | except pygit2.GitError: |
|---|
| 917 | return None |
|---|
| 918 | for commit in self.git_repos.walk(self.git_repos.head.target, |
|---|
| 919 | _walk_flags | GIT_SORT_REVERSE): |
|---|
| 920 | return commit.hex |
|---|
| 921 | |
|---|
| 922 | def normalize_path(self, path): |
|---|
| 923 | if isinstance(path, str): |
|---|
| 924 | path = self._from_fspath(path) |
|---|
| 925 | if path: |
|---|
| 926 | return path.strip('/') |
|---|
| 927 | else: |
|---|
| 928 | return '' |
|---|
| 929 | |
|---|
| 930 | def normalize_rev(self, rev): |
|---|
| 931 | return to_unicode(self._resolve_rev(rev).oid.hex) |
|---|
| 932 | |
|---|
| 933 | def short_rev(self, rev): |
|---|
| 934 | rev = self.normalize_rev(rev) |
|---|
| 935 | git_repos = self.git_repos |
|---|
| 936 | for size in xrange(self.shortrev_len, 40): |
|---|
| 937 | short_rev = rev[:size] |
|---|
| 938 | try: |
|---|
| 939 | git_object = git_repos[short_rev] |
|---|
| 940 | if git_object.type == GIT_OBJ_COMMIT: |
|---|
| 941 | return short_rev |
|---|
| 942 | except (KeyError, ValueError): |
|---|
| 943 | pass |
|---|
| 944 | return rev |
|---|
| 945 | |
|---|
| 946 | def display_rev(self, rev): |
|---|
| 947 | return self.short_rev(rev) |
|---|
| 948 | |
|---|
| 949 | def get_node(self, path, rev=None): |
|---|
| 950 | rev = self._stringify_rev(rev) |
|---|
| 951 | commit = self._resolve_rev(rev, raises=False) |
|---|
| 952 | if commit is None and rev: |
|---|
| 953 | raise NoSuchChangeset(rev) |
|---|
| 954 | return GitNode(self, self.normalize_path(path), commit) |
|---|
| 955 | |
|---|
| 956 | def get_quickjump_entries(self, rev): |
|---|
| 957 | git_repos = self.git_repos |
|---|
| 958 | refs = sorted( |
|---|
| 959 | (self._from_fspath(name), git_repos.lookup_reference(name)) |
|---|
| 960 | for name in git_repos.listall_references() |
|---|
| 961 | if name.startswith('refs/heads/') or name.startswith('refs/tags/')) |
|---|
| 962 | |
|---|
| 963 | for name, ref in refs: |
|---|
| 964 | if name.startswith('refs/heads/'): |
|---|
| 965 | commit = self._get_commit(ref.target) |
|---|
| 966 | if commit: |
|---|
| 967 | yield 'branches', name[11:], '/', commit.hex |
|---|
| 968 | |
|---|
| 969 | for name, ref in refs: |
|---|
| 970 | if name.startswith('refs/tags/'): |
|---|
| 971 | commit = self._get_commit(ref.target) |
|---|
| 972 | yield 'tags', name[10:], '/', commit.hex |
|---|
| 973 | |
|---|
| 974 | def get_path_url(self, path, rev): |
|---|
| 975 | return self.params.get('url') |
|---|
| 976 | |
|---|
| 977 | def get_changesets(self, start, stop): |
|---|
| 978 | seen_oids = set() |
|---|
| 979 | |
|---|
| 980 | def iter_commits(): |
|---|
| 981 | ts_start = to_timestamp(start) |
|---|
| 982 | ts_stop = to_timestamp(stop) |
|---|
| 983 | git_repos = self.git_repos |
|---|
| 984 | for name in git_repos.listall_references(): |
|---|
| 985 | if not name.startswith('refs/heads/'): |
|---|
| 986 | continue |
|---|
| 987 | ref = git_repos.lookup_reference(name) |
|---|
| 988 | for commit in git_repos.walk(ref.target, _walk_flags): |
|---|
| 989 | ts = commit.commit_time |
|---|
| 990 | if ts < ts_start: |
|---|
| 991 | break |
|---|
| 992 | if ts_start <= ts <= ts_stop: |
|---|
| 993 | oid = commit.oid |
|---|
| 994 | if oid not in seen_oids: |
|---|
| 995 | seen_oids.add(oid) |
|---|
| 996 | yield ts, commit |
|---|
| 997 | |
|---|
| 998 | for ts, commit in sorted(iter_commits(), key=lambda v: v[0], |
|---|
| 999 | reverse=True): |
|---|
| 1000 | yield GitChangeset(self, commit) |
|---|
| 1001 | |
|---|
| 1002 | def get_changeset(self, rev): |
|---|
| 1003 | return GitChangeset(self, self._resolve_rev(rev)) |
|---|
| 1004 | |
|---|
| 1005 | def get_changeset_uid(self, rev): |
|---|
| 1006 | return rev |
|---|
| 1007 | |
|---|
| 1008 | def get_changes(self, old_path, old_rev, new_path, new_rev, |
|---|
| 1009 | ignore_ancestry=0): |
|---|
| 1010 | # TODO: handle ignore_ancestry |
|---|
| 1011 | |
|---|
| 1012 | def iter_changes(old_commit, old_path, new_commit, new_path): |
|---|
| 1013 | old_tree = self._get_tree(old_commit.tree, old_path) |
|---|
| 1014 | old_rev = old_commit.hex |
|---|
| 1015 | new_tree = self._get_tree(new_commit.tree, new_path) |
|---|
| 1016 | new_rev = new_commit.hex |
|---|
| 1017 | |
|---|
| 1018 | for old_file, new_file, status in \ |
|---|
| 1019 | self._get_changes(old_tree, new_tree): |
|---|
| 1020 | action = _status_map.get(status) |
|---|
| 1021 | if not action: |
|---|
| 1022 | continue |
|---|
| 1023 | old_node = new_node = None |
|---|
| 1024 | if status != 'A': |
|---|
| 1025 | old_node = self.get_node( |
|---|
| 1026 | posixpath.join(old_path, old_file), old_rev) |
|---|
| 1027 | if status != 'D': |
|---|
| 1028 | new_node = self.get_node( |
|---|
| 1029 | posixpath.join(new_path, new_file), new_rev) |
|---|
| 1030 | yield old_node, new_node, Node.FILE, action |
|---|
| 1031 | |
|---|
| 1032 | old_commit = self._resolve_rev(old_rev) |
|---|
| 1033 | new_commit = self._resolve_rev(new_rev) |
|---|
| 1034 | return iter_changes(old_commit, self.normalize_path(old_path), |
|---|
| 1035 | new_commit, self.normalize_path(new_path)) |
|---|
| 1036 | |
|---|
| 1037 | def previous_rev(self, rev, path=''): |
|---|
| 1038 | commit = self._resolve_rev(rev) |
|---|
| 1039 | if not path or path == '/': |
|---|
| 1040 | for parent in commit.parents: |
|---|
| 1041 | return parent.hex |
|---|
| 1042 | else: |
|---|
| 1043 | node = GitNode(self, self.normalize_path(path), commit) |
|---|
| 1044 | for commit, action in node._walk_commits(): |
|---|
| 1045 | for parent in commit.parents: |
|---|
| 1046 | return parent.hex |
|---|
| 1047 | |
|---|
| 1048 | def next_rev(self, rev, path=''): |
|---|
| 1049 | rev = self.normalize_rev(rev) |
|---|
| 1050 | path = self._to_fspath(self.normalize_path(path)) |
|---|
| 1051 | |
|---|
| 1052 | for name, ref, walker in self._iter_ref_walkers(rev): |
|---|
| 1053 | if rev not in walker: |
|---|
| 1054 | continue |
|---|
| 1055 | for commit in walker.reverse(rev): |
|---|
| 1056 | if not any(p.hex == rev for p in commit.parents): |
|---|
| 1057 | continue |
|---|
| 1058 | tree = commit.tree |
|---|
| 1059 | entry = self._get_tree(tree, path) |
|---|
| 1060 | if entry is None: |
|---|
| 1061 | return None |
|---|
| 1062 | for parent in commit.parents: |
|---|
| 1063 | parent_tree = parent.tree |
|---|
| 1064 | if tree.oid == parent_tree.oid: |
|---|
| 1065 | continue |
|---|
| 1066 | parent_entry = self._get_tree(parent_tree, path) |
|---|
| 1067 | if entry is None or parent_entry is None or \ |
|---|
| 1068 | entry.oid != parent_entry.oid: |
|---|
| 1069 | return commit.hex |
|---|
| 1070 | rev = commit.hex |
|---|
| 1071 | |
|---|
| 1072 | def parent_revs(self, rev): |
|---|
| 1073 | commit = self._resolve_rev(rev) |
|---|
| 1074 | return [c.hex for c in commit.parents] |
|---|
| 1075 | |
|---|
| 1076 | def child_revs(self, rev): |
|---|
| 1077 | def iter_children(rev): |
|---|
| 1078 | seen = set() |
|---|
| 1079 | for name, ref, walker in self._iter_ref_walkers(rev): |
|---|
| 1080 | if rev not in walker: |
|---|
| 1081 | continue |
|---|
| 1082 | for commit in walker.reverse(rev): |
|---|
| 1083 | if commit.oid in seen: |
|---|
| 1084 | break |
|---|
| 1085 | seen.add(commit.oid) |
|---|
| 1086 | if any(p.hex == rev for p in commit.parents): |
|---|
| 1087 | yield commit |
|---|
| 1088 | return [c.hex for c in iter_children(self.normalize_rev(rev))] |
|---|
| 1089 | |
|---|
| 1090 | def rev_older_than(self, rev1, rev2): |
|---|
| 1091 | oid1 = self._resolve_rev(rev1).oid |
|---|
| 1092 | oid2 = self._resolve_rev(rev2).oid |
|---|
| 1093 | if oid1 == oid2: |
|---|
| 1094 | return False |
|---|
| 1095 | return any(oid1 == commit.oid |
|---|
| 1096 | for commit in self.git_repos.walk(oid2, _walk_flags)) |
|---|
| 1097 | |
|---|
| 1098 | def get_path_history(self, path, rev=None, limit=None): |
|---|
| 1099 | raise TracError(_("GitRepository does not support path_history")) |
|---|
| 1100 | |
|---|
| 1101 | |
|---|
| 1102 | class GitNode(Node): |
|---|
| 1103 | |
|---|
| 1104 | def __init__(self, repos, path, rev, created_commit=None): |
|---|
| 1105 | self.log = repos.log |
|---|
| 1106 | |
|---|
| 1107 | if type(rev) is pygit2.Commit: |
|---|
| 1108 | commit = rev |
|---|
| 1109 | rev = commit.hex |
|---|
| 1110 | else: |
|---|
| 1111 | if rev is not None and not isinstance(rev, unicode): |
|---|
| 1112 | rev = to_unicode(rev) |
|---|
| 1113 | commit = repos._resolve_rev(rev, raises=False) |
|---|
| 1114 | if commit is None and rev: |
|---|
| 1115 | raise NoSuchChangeset(rev) |
|---|
| 1116 | |
|---|
| 1117 | tree_entry = None |
|---|
| 1118 | filemode = None |
|---|
| 1119 | tree = None |
|---|
| 1120 | blob = None |
|---|
| 1121 | if commit: |
|---|
| 1122 | normrev = commit.hex |
|---|
| 1123 | git_object = commit.tree |
|---|
| 1124 | if path: |
|---|
| 1125 | tree_entry = repos._get_tree_entry(git_object, path) |
|---|
| 1126 | if tree_entry is None: |
|---|
| 1127 | raise NoSuchNode(path, rev) |
|---|
| 1128 | filemode = _get_filemode(tree_entry) |
|---|
| 1129 | if filemode == _filemode_submodule: |
|---|
| 1130 | git_object = None |
|---|
| 1131 | else: |
|---|
| 1132 | git_object = repos.git_repos.get(tree_entry.oid) |
|---|
| 1133 | if git_object is None: |
|---|
| 1134 | if filemode == _filemode_submodule: |
|---|
| 1135 | kind = Node.DIRECTORY |
|---|
| 1136 | else: |
|---|
| 1137 | kind = None |
|---|
| 1138 | elif git_object.type == GIT_OBJ_TREE: |
|---|
| 1139 | kind = Node.DIRECTORY |
|---|
| 1140 | tree = git_object |
|---|
| 1141 | elif git_object.type == GIT_OBJ_BLOB: |
|---|
| 1142 | kind = Node.FILE |
|---|
| 1143 | blob = git_object |
|---|
| 1144 | if kind is None: |
|---|
| 1145 | raise NoSuchNode(path, rev) |
|---|
| 1146 | else: |
|---|
| 1147 | if path: |
|---|
| 1148 | raise NoSuchNode(path, rev) |
|---|
| 1149 | normrev = None |
|---|
| 1150 | kind = Node.DIRECTORY |
|---|
| 1151 | |
|---|
| 1152 | self.commit = commit |
|---|
| 1153 | self.tree_entry = tree_entry |
|---|
| 1154 | self.tree = tree |
|---|
| 1155 | self.blob = blob |
|---|
| 1156 | self.filemode = filemode |
|---|
| 1157 | self.created_path = path # XXX how to use? |
|---|
| 1158 | self._created_commit = created_commit |
|---|
| 1159 | Node.__init__(self, repos, path, normrev, kind) |
|---|
| 1160 | |
|---|
| 1161 | def _get_created_commit(self): |
|---|
| 1162 | commit = self._created_commit |
|---|
| 1163 | if commit is None and self.commit and self.rev: |
|---|
| 1164 | _get_tree_entry = self.repos._get_tree_entry |
|---|
| 1165 | path = self.repos._to_fspath(self.path) |
|---|
| 1166 | commit = self.commit |
|---|
| 1167 | entry = _get_tree_entry(commit.tree, path) |
|---|
| 1168 | parents = commit.parents |
|---|
| 1169 | if parents: |
|---|
| 1170 | parent_entry = _get_tree_entry(parents[0].tree, path) |
|---|
| 1171 | if parent_entry is not None and parent_entry.oid == entry.oid: |
|---|
| 1172 | commit = None |
|---|
| 1173 | for commit, action in self._walk_commits(): |
|---|
| 1174 | break |
|---|
| 1175 | self._created_commit = commit or self.commit |
|---|
| 1176 | return commit |
|---|
| 1177 | |
|---|
| 1178 | @property |
|---|
| 1179 | def created_rev(self): |
|---|
| 1180 | commit = self._get_created_commit() |
|---|
| 1181 | if commit is None: |
|---|
| 1182 | return None |
|---|
| 1183 | return commit.hex |
|---|
| 1184 | |
|---|
| 1185 | def _walk_commits(self): |
|---|
| 1186 | skip_merges = self.isfile |
|---|
| 1187 | _get_tree = self.repos._get_tree |
|---|
| 1188 | path = self.repos._to_fspath(self.path) |
|---|
| 1189 | parent = parent_tree = None |
|---|
| 1190 | for commit in self.repos.git_repos.walk(self.rev, _walk_flags): |
|---|
| 1191 | if parent is not None and parent.oid == commit.oid: |
|---|
| 1192 | tree = parent_tree |
|---|
| 1193 | else: |
|---|
| 1194 | tree = _get_tree(commit.tree, path) |
|---|
| 1195 | parents = commit.parents |
|---|
| 1196 | n_parents = len(parents) |
|---|
| 1197 | if skip_merges and n_parents > 1: |
|---|
| 1198 | continue |
|---|
| 1199 | if n_parents == 0: |
|---|
| 1200 | if tree is not None: |
|---|
| 1201 | yield commit, Changeset.ADD |
|---|
| 1202 | return |
|---|
| 1203 | parent = parents[0] |
|---|
| 1204 | parent_tree = _get_tree(parent.tree, path) |
|---|
| 1205 | if tree is None: |
|---|
| 1206 | if parent_tree is None: |
|---|
| 1207 | continue |
|---|
| 1208 | action = Changeset.DELETE |
|---|
| 1209 | elif parent_tree is None: |
|---|
| 1210 | action = Changeset.ADD |
|---|
| 1211 | elif parent_tree.oid != tree.oid: |
|---|
| 1212 | action = Changeset.EDIT |
|---|
| 1213 | else: |
|---|
| 1214 | continue |
|---|
| 1215 | yield commit, action |
|---|
| 1216 | |
|---|
| 1217 | def get_content(self): |
|---|
| 1218 | if not self.isfile: |
|---|
| 1219 | return None |
|---|
| 1220 | return StringIO(self.blob.data) |
|---|
| 1221 | |
|---|
| 1222 | def get_properties(self): |
|---|
| 1223 | props = {} |
|---|
| 1224 | if self.filemode is not None: |
|---|
| 1225 | props['mode'] = '%06o' % self.filemode |
|---|
| 1226 | return props |
|---|
| 1227 | |
|---|
| 1228 | def get_annotations(self): |
|---|
| 1229 | if not self.isfile: |
|---|
| 1230 | return |
|---|
| 1231 | annotations = [] |
|---|
| 1232 | for hunk in self.repos.git_repos.blame( |
|---|
| 1233 | self.repos._to_fspath(self.path), |
|---|
| 1234 | newest_commit=self.commit.oid): |
|---|
| 1235 | commit_id = str(hunk.final_commit_id) |
|---|
| 1236 | annotations.extend([commit_id] * hunk.lines_in_hunk) |
|---|
| 1237 | return annotations |
|---|
| 1238 | |
|---|
| 1239 | def get_entries(self): |
|---|
| 1240 | if self.commit is None or self.tree is None or not self.isdir: |
|---|
| 1241 | return |
|---|
| 1242 | |
|---|
| 1243 | repos = self.repos |
|---|
| 1244 | git_repos = repos.git_repos |
|---|
| 1245 | _get_tree = repos._get_tree |
|---|
| 1246 | _from_fspath = repos._from_fspath |
|---|
| 1247 | path = repos._to_fspath(self.path) |
|---|
| 1248 | names = sorted(entry.name for entry in self.tree) |
|---|
| 1249 | |
|---|
| 1250 | def get_entries(commit): |
|---|
| 1251 | tree = _get_tree(commit.tree, path) |
|---|
| 1252 | if tree is None: |
|---|
| 1253 | tree = () |
|---|
| 1254 | return dict((entry.name, entry) for entry in tree) |
|---|
| 1255 | |
|---|
| 1256 | def is_blob(entry): |
|---|
| 1257 | if entry: |
|---|
| 1258 | return git_repos[entry.oid].type == GIT_OBJ_BLOB |
|---|
| 1259 | else: |
|---|
| 1260 | return True |
|---|
| 1261 | |
|---|
| 1262 | def get_commits(): |
|---|
| 1263 | commits = {} |
|---|
| 1264 | parent = parent_entries = None |
|---|
| 1265 | for commit in git_repos.walk(self.rev, _walk_flags): |
|---|
| 1266 | parents = commit.parents |
|---|
| 1267 | n_parents = len(parents) |
|---|
| 1268 | if n_parents == 0: |
|---|
| 1269 | break |
|---|
| 1270 | parent = parents[0] |
|---|
| 1271 | if not parent and parent.oid == commit.oid: |
|---|
| 1272 | curr_entries = parent_entries |
|---|
| 1273 | else: |
|---|
| 1274 | curr_entries = get_entries(commit) |
|---|
| 1275 | parent_entries = get_entries(parent) |
|---|
| 1276 | for name in names: |
|---|
| 1277 | if name in commits: |
|---|
| 1278 | continue |
|---|
| 1279 | curr_entry = curr_entries.get(name) |
|---|
| 1280 | parent_entry = parent_entries.get(name) |
|---|
| 1281 | if not curr_entry and not parent_entry: |
|---|
| 1282 | continue |
|---|
| 1283 | object_changed = not curr_entry or not parent_entry or \ |
|---|
| 1284 | curr_entry.oid != parent_entry.oid |
|---|
| 1285 | if n_parents > 1 and object_changed and \ |
|---|
| 1286 | is_blob(curr_entry) and is_blob(parent_entry): |
|---|
| 1287 | continue # skip merge-commit if blob |
|---|
| 1288 | if object_changed: |
|---|
| 1289 | commits[name] = commit |
|---|
| 1290 | if len(commits) == len(names): |
|---|
| 1291 | break |
|---|
| 1292 | return commits |
|---|
| 1293 | |
|---|
| 1294 | commits = get_commits() |
|---|
| 1295 | for name in names: |
|---|
| 1296 | yield GitNode(repos, posixpath.join(self.path, _from_fspath(name)), |
|---|
| 1297 | self.commit, created_commit=commits.get(name)) |
|---|
| 1298 | |
|---|
| 1299 | def get_content_type(self): |
|---|
| 1300 | if self.isdir: |
|---|
| 1301 | return None |
|---|
| 1302 | return '' |
|---|
| 1303 | |
|---|
| 1304 | def get_content_length(self): |
|---|
| 1305 | if not self.isfile: |
|---|
| 1306 | return None |
|---|
| 1307 | return self.blob.size |
|---|
| 1308 | |
|---|
| 1309 | def get_history(self, limit=None): |
|---|
| 1310 | path = self.path |
|---|
| 1311 | count = 0 |
|---|
| 1312 | for commit, action in self._walk_commits(): |
|---|
| 1313 | yield path, commit.hex, action |
|---|
| 1314 | count += 1 |
|---|
| 1315 | if limit == count: |
|---|
| 1316 | return |
|---|
| 1317 | |
|---|
| 1318 | def get_last_modified(self): |
|---|
| 1319 | if not self.isfile: |
|---|
| 1320 | return None |
|---|
| 1321 | commit = self._get_created_commit() |
|---|
| 1322 | if commit is None: |
|---|
| 1323 | return None |
|---|
| 1324 | return self.repos._get_commit_time(commit) |
|---|
| 1325 | |
|---|
| 1326 | |
|---|
| 1327 | class GitChangeset(Changeset): |
|---|
| 1328 | """A Git changeset in the Git repository. |
|---|
| 1329 | |
|---|
| 1330 | Corresponds to a Git commit blob. |
|---|
| 1331 | """ |
|---|
| 1332 | |
|---|
| 1333 | def __init__(self, repos, rev): |
|---|
| 1334 | self.log = repos.log |
|---|
| 1335 | |
|---|
| 1336 | if type(rev) is pygit2.Commit: |
|---|
| 1337 | commit = rev |
|---|
| 1338 | rev = commit.hex |
|---|
| 1339 | else: |
|---|
| 1340 | commit = repos._resolve_rev(rev) |
|---|
| 1341 | rev = commit.hex |
|---|
| 1342 | |
|---|
| 1343 | author = repos._get_commit_username(commit) |
|---|
| 1344 | date = repos._get_commit_time(commit) |
|---|
| 1345 | |
|---|
| 1346 | self.commit = commit |
|---|
| 1347 | Changeset.__init__(self, repos, rev, commit.message, author, date) |
|---|
| 1348 | |
|---|
| 1349 | def get_branches(self): |
|---|
| 1350 | return self.repos._get_branches_cset(self.rev) |
|---|
| 1351 | |
|---|
| 1352 | def get_tags(self): |
|---|
| 1353 | return self.repos._get_tags_cset(self.rev) |
|---|
| 1354 | |
|---|
| 1355 | def get_properties(self): |
|---|
| 1356 | properties = {} |
|---|
| 1357 | commit = self.commit |
|---|
| 1358 | |
|---|
| 1359 | if commit.parents: |
|---|
| 1360 | properties['git-Parents'] = [c.hex for c in commit.parents] |
|---|
| 1361 | |
|---|
| 1362 | if (commit.author.name != commit.committer.name or |
|---|
| 1363 | commit.author.email != commit.committer.email): |
|---|
| 1364 | properties['git-committer'] = commit.committer |
|---|
| 1365 | properties['git-author'] = commit.author |
|---|
| 1366 | |
|---|
| 1367 | branches = self.repos._get_branches(self.rev) |
|---|
| 1368 | if branches: |
|---|
| 1369 | properties['git-Branches'] = branches |
|---|
| 1370 | tags = self.get_tags() |
|---|
| 1371 | if tags: |
|---|
| 1372 | properties['git-Tags'] = tags |
|---|
| 1373 | |
|---|
| 1374 | children = self.repos.child_revs(self.rev) |
|---|
| 1375 | if children: |
|---|
| 1376 | properties['git-Children'] = children |
|---|
| 1377 | |
|---|
| 1378 | return properties |
|---|
| 1379 | |
|---|
| 1380 | def get_changes(self): |
|---|
| 1381 | commit = self.commit |
|---|
| 1382 | if commit.parents: |
|---|
| 1383 | # diff for the first parent if even merge-commit |
|---|
| 1384 | parent = commit.parents[0] |
|---|
| 1385 | parent_rev = parent.hex |
|---|
| 1386 | files = self.repos._get_changes(parent.tree, commit.tree) |
|---|
| 1387 | else: |
|---|
| 1388 | _from_fspath = self.repos._from_fspath |
|---|
| 1389 | files = sorted(((None, _from_fspath(name), 'A') |
|---|
| 1390 | for git_object, name in _walk_tree( |
|---|
| 1391 | self.repos.git_repos, commit.tree)), |
|---|
| 1392 | key=lambda change: change[1]) |
|---|
| 1393 | parent_rev = None |
|---|
| 1394 | |
|---|
| 1395 | for old_path, new_path, status in files: |
|---|
| 1396 | action = _status_map.get(status) |
|---|
| 1397 | if not action: |
|---|
| 1398 | continue |
|---|
| 1399 | if status == 'A': |
|---|
| 1400 | yield new_path, Node.FILE, action, None, None |
|---|
| 1401 | else: |
|---|
| 1402 | yield new_path, Node.FILE, action, old_path, parent_rev |
|---|