/brz/remove-bazaar

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Viewing changes to git_repository.py

https://launchpad.net/bugs/182159
Basic support for opening working trees.

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git_repository.py
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"""An adapter between a Git Repository and a Bazaar Branch"""
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import git
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import os
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import time
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    urlutils,
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    versionedfile,
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    )
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from bzrlib.foreign import (
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        ForeignRevision,
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        )
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from bzrlib.transport import get_transport
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from bzrlib.plugins.git.foreign import (
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    ForeignRepository,
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    versionedfiles,
 
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from bzrlib.plugins.git import (
 
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    cache,
 
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    ids,
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    )
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from bzrlib.plugins.git.mapping import default_mapping
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from bzrlib.plugins.git import git
46
 
 
47
 
 
48
 
class GitTags(object):
49
 
 
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    def __init__(self, tags):
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        self._tags = tags
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53
 
    def __iter__(self):
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        return iter(self._tags)
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56
 
 
57
 
class GitRepository(ForeignRepository):
 
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class GitRepository(repository.Repository):
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    """An adapter to git repositories for bzr."""
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    _serializer = None
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        self.bzrdir = gitdir
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        self.control_files = lockfiles
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        self._git = gitdir._git
 
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        cache_dir = cache.create_cache_dir()
 
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        cachedir_transport = get_transport(cache_dir)
 
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        cache_file = os.path.join(cache_dir, 'cache-%s' % ids.NAMESPACE)
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        self.texts = None
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        self.signatures = versionedfiles.VirtualSignatureTexts(self)
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        self.revisions = versionedfiles.VirtualRevisionTexts(self)
 
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        self.signatures = versionedfile.VirtualSignatureTexts(self)
 
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        self.revisions = versionedfile.VirtualRevisionTexts(self)
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        self._format = GitFormat()
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        self._fallback_repositories = []
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        self.tags = GitTags(self._git.get_tags())
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    def _all_revision_ids(self):
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        if self._git.heads == []:
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        while cms != []:
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            cms = self._git.commits("--all", max_count=max_count, skip=skip)
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            skip += max_count
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            ret.update([self.get_mapping().revision_id_foreign_to_bzr(cm.id) for cm in cms])
 
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            ret.update([ids.convert_revision_id_git_to_bzr(cm.id) for cm in cms])
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        return ret
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    def is_shared(self):
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            max_count = 1000
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            cms = None
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            while cms != []:
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                cms = self._git.commits(self.lookup_git_revid(revision_id, self.get_mapping()), max_count=max_count, skip=skip)
 
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                cms = self._git.commits(ids.convert_revision_id_bzr_to_git(revision_id), max_count=max_count, skip=skip)
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                skip += max_count
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                ret += [self.get_mapping().revision_id_foreign_to_bzr(cm.id) for cm in cms]
 
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                ret += [ids.convert_revision_id_git_to_bzr(cm.id) for cm in cms]
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        return [None] + ret
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    def get_signature_text(self, revision_id):
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        raise errors.NoSuchRevision(self, revision_id)
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114
 
    def lookup_revision_id(self, revid):
115
 
        """Lookup a revision id.
116
 
        
117
 
        :param revid: Bazaar revision id.
118
 
        :return: Tuple with git revisionid and mapping.
119
 
        """
120
 
        # Yes, this doesn't really work, but good enough as a stub
121
 
        return osutils.sha(rev_id).hexdigest(), self.get_mapping()
122
 
 
123
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    def has_signature_for_revision_id(self, revision_id):
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        return False
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126
 
    def get_mapping(self):
127
 
        return default_mapping
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    def get_parent_map(self, revision_ids):
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        ret = {}
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        for revid in revision_ids:
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            if revid == revision.NULL_REVISION:
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                ret[revid] = ()
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            else:
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                git_commit_id = self.lookup_git_revid(revid, self.get_mapping())
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                commit = self._git.commit(git_commit_id)
137
 
                ret[revid] = tuple([self.get_mapping().revision_id_foreign_to_bzr(p.id) for p in commit.parents])
 
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                commit = self._git.commit(ids.convert_revision_id_bzr_to_git(revid))
 
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                ret[revid] = tuple([ids.convert_revision_id_git_to_bzr(p.id) for p in commit.parents])
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        return ret
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140
 
    def lookup_git_revid(self, bzr_revid, mapping):
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        try:
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            return mapping.revision_id_bzr_to_foreign(bzr_revid)
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        except errors.InvalidRevisionId:
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            raise errors.NoSuchRevision(bzr_revid, self)
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    def get_revision(self, revision_id):
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        git_commit_id = self.lookup_git_revid(revision_id, self.get_mapping())
 
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        git_commit_id = ids.convert_revision_id_bzr_to_git(revision_id)
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        commit = self._git.commit(git_commit_id)
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        # print "fetched revision:", git_commit_id
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        revision = self._parse_rev(commit, self.get_mapping())
 
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        revision = self._parse_rev(commit)
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        return revision
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    def has_revision(self, revision_id):
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        return [self.get_revision(r) for r in revisions]
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    @classmethod
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    def _parse_rev(klass, commit, mapping):
 
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    def _parse_rev(klass, commit):
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        """Convert a git commit to a bzr revision.
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        :return: a `bzrlib.revision.Revision` object.
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        """
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        if commit is None:
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            raise AssertionError("Commit object can't be None")
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        rev = ForeignRevision(commit.id, mapping, mapping.revision_id_foreign_to_bzr(commit.id))
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        rev.parent_ids = tuple([mapping.revision_id_foreign_to_bzr(p.id) for p in commit.parents])
 
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        rev = revision.Revision(ids.convert_revision_id_git_to_bzr(commit.id))
 
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        rev.parent_ids = tuple([ids.convert_revision_id_git_to_bzr(p.id) for p in commit.parents])
 
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        rev.inventory_sha1 = ""
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        rev.message = commit.message.decode("utf-8", "replace")
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        rev.committer = str(commit.committer).decode("utf-8", "replace")
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        rev.properties['author'] = str(commit.author).decode("utf-8", "replace")
 
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        rev.committer = str(commit.committer)
 
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        rev.properties['author'] = str(commit.author)
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        rev.timestamp = time.mktime(commit.committed_date)
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        rev.timezone = 0
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        return rev
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        assert revision_id != None
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        return self.revision_tree(revision_id).inventory
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166
 
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    def set_make_working_trees(self, trees):
200
 
        pass
201
 
 
202
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203
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def escape_file_id(file_id):
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    return file_id.replace('_', '__').replace(' ', '_s')
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    def __init__(self, repository, revision_id):
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        self._repository = repository
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180
        self.revision_id = revision_id
216
 
        git_id = repository.lookup_git_revid(revision_id, repository.get_mapping())
 
181
        git_id = ids.convert_revision_id_bzr_to_git(revision_id)
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        self.tree = repository._git.commit(git_id).tree
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        self._inventory = inventory.Inventory(revision_id=revision_id)
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        self._inventory.root.revision = revision_id
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194
 
230
195
    def _build_inventory(self, tree, ie, path):
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        assert isinstance(path, str)
232
 
        for name, mode, hexsha in tree.entries():
233
 
            basename = name.decode("utf-8")
 
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        for b in tree.contents:
 
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            basename = b.name.decode("utf-8")
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            if path == "":
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                child_path = name
 
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                child_path = b.name
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            else:
237
 
                child_path = urlutils.join(path, name)
 
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                child_path = urlutils.join(path, b.name)
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203
            file_id = escape_file_id(child_path.encode('utf-8'))
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            if mode[0] == '0':
 
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            if b.mode[0] == '0':
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                child_ie = inventory.InventoryDirectory(file_id, basename, ie.file_id)
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            elif mode[0] == '1':
242
 
                if mode[1] == '0':
 
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            elif b.mode[0] == '1':
 
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                if b.mode[1] == '0':
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                    child_ie = inventory.InventoryFile(file_id, basename, ie.file_id)
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209
                    child_ie.text_sha1 = osutils.sha_string(b.data)
245
 
                elif mode[1] == '2':
 
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                elif b.mode[1] == '2':
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                    child_ie = inventory.InventoryLink(file_id, basename, ie.file_id)
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                    child_ie.text_sha1 = osutils.sha_string("")
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                else:
249
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                    raise AssertionError(
250
 
                        "Unknown file kind, perms=%r." % (mode,))
 
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                        "Unknown file kind, perms=%r." % (b.mode,))
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                child_ie.text_id = b.id
252
217
                child_ie.text_size = b.size
253
218
            else:
254
219
                raise AssertionError(
255
 
                    "Unknown blob kind, perms=%r." % (mode,))
256
 
            child_ie.executable = bool(int(mode[3:], 8) & 0111)
 
220
                    "Unknown blob kind, perms=%r." % (b.mode,))
 
221
            child_ie.executable = bool(int(b.mode[3:], 8) & 0111)
257
222
            child_ie.revision = self.revision_id
258
223
            self._inventory.add(child_ie)
259
 
            if mode[0] == '0':
 
224
            if b.mode[0] == '0':
260
225
                self._build_inventory(b, child_ie, child_path)
261
226
 
262
227