/brz/remove-bazaar

To get this branch, use:
bzr branch http://gegoxaren.bato24.eu/bzr/brz/remove-bazaar

« back to all changes in this revision

Viewing changes to mapping.py

Move conversion functions to mapping, use fetch_objects() from repository if present.

Show diffs side-by-side

added added

removed removed

Lines of Context:
mapping.py
76
76
        rev.timezone = 0
77
77
        return rev
78
78
 
79
 
    def export_commit(self, rev, tree_sha):
80
 
        """Turn a Bazaar revision in to a Git commit
81
 
 
82
 
        :param tree_sha: HACK parameter (until we can retrieve this from the mapping)
83
 
        :return dulwich.objects.Commit represent the revision:
84
 
        """
85
 
        from dulwich.objects import Commit
86
 
        commit = Commit()
87
 
        commit._tree = tree_sha
88
 
        for p in rev.parent_ids:
89
 
            commit._parents.append(self.revision_id_bzr_to_foreign(p))
90
 
        commit._message = rev.message
91
 
        commit._committer = rev.committer
92
 
        if 'author' in rev.properties:
93
 
            commit._author = rev.properties['author']
94
 
        else:
95
 
            commit._author = rev.committer
96
 
        commit._commit_time = long(rev.timestamp)
97
 
        commit.serialize()
98
 
        return commit
99
 
 
100
79
 
101
80
class BzrGitMappingv1(BzrGitMapping):
102
81
    revid_prefix = 'git-v1'
140
119
 
141
120
foreign_git = ForeignGit()
142
121
default_mapping = BzrGitMappingv1()
 
122
 
 
123
 
 
124
def inventory_to_tree_and_blobs(repo, mapping, revision_id):
 
125
    stack = []
 
126
    cur = ""
 
127
    tree = Tree()
 
128
 
 
129
    inv = repo.get_inventory(revision_id)
 
130
 
 
131
    for path, entry in inv.iter_entries():
 
132
        while stack and not path.startswith(cur):
 
133
            tree.serialize()
 
134
            sha = tree.sha().hexdigest()
 
135
            yield sha, tree, path
 
136
            t = (stat.S_IFDIR, splitpath(cur)[-1:][0].encode('UTF-8'), sha)
 
137
            cur, tree = stack.pop()
 
138
            tree.add(*t)
 
139
 
 
140
        if type(entry) == InventoryDirectory:
 
141
            stack.append((cur, tree))
 
142
            cur = path
 
143
            tree = Tree()
 
144
 
 
145
        if type(entry) == InventoryFile:
 
146
            #FIXME: We can make potentially make this Lazy to avoid shaing lots of stuff
 
147
            # and having all these objects in memory at once
 
148
            blob = Blob()
 
149
            _, blob._text = repo.iter_files_bytes([(entry.file_id, revision_id, path)]).next()
 
150
            sha = blob.sha().hexdigest()
 
151
            yield sha, blob, path
 
152
 
 
153
            name = splitpath(path)[-1:][0].encode('UTF-8')
 
154
            mode = stat.S_IFREG | 0644
 
155
            if entry.executable:
 
156
                mode |= 0111
 
157
            tree.add(mode, name, sha)
 
158
 
 
159
    while len(stack) > 1:
 
160
        tree.serialize()
 
161
        sha = tree.sha().hexdigest()
 
162
        yield sha, tree, path
 
163
        t = (stat.S_IFDIR, splitpath(cur)[-1:][0].encode('UTF-8'), sha)
 
164
        cur, tree = stack.pop()
 
165
        tree.add(*t)
 
166
 
 
167
    tree.serialize()
 
168
    yield tree.sha().hexdigest(), tree, path
 
169
 
 
170
 
 
171
def revision_to_commit(rev, tree_sha, parent_lookup):
 
172
    """Turn a Bazaar revision in to a Git commit
 
173
 
 
174
    :param tree_sha: Tree sha for the commit
 
175
    :param parent_lookup: Function for looking up the GIT sha equiv of a bzr revision
 
176
    :return dulwich.objects.Commit represent the revision:
 
177
    """
 
178
    from dulwich.objects import Commit
 
179
    commit = Commit()
 
180
    commit._tree = tree_sha
 
181
    for p in rev.parent_ids:
 
182
        commit._parents.append(parent_lookup(p))
 
183
    commit._message = rev.message
 
184
    commit._committer = rev.committer
 
185
    if 'author' in rev.properties:
 
186
        commit._author = rev.properties['author']
 
187
    else:
 
188
        commit._author = rev.committer
 
189
    commit._commit_time = long(rev.timestamp)
 
190
    commit.serialize()
 
191
    return commit