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  • Committer: Jelmer Vernooij
  • Date: 2019-06-03 23:48:08 UTC
  • mfrom: (7316 work)
  • mto: This revision was merged to the branch mainline in revision 7328.
  • Revision ID: jelmer@jelmer.uk-20190603234808-15yk5c7054tj8e2b
Merge trunk.

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breezy/git/send.py
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# Copyright (C) 2009 Jelmer Vernooij <jelmer@samba.org>
 
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# Copyright (C) 2009-2018 Jelmer Vernooij <jelmer@jelmer.uk>
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# Based on the original from bzr-svn:
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# Copyright (C) 2009 Lukas Lalinsky <lalinsky@gmail.com>
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
19
 
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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21
 
"""Support in "bzr send" for git-am style patches."""
 
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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"""Support in "brz send" for git-am style patches."""
 
22
 
 
23
from __future__ import absolute_import
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24
 
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import time
24
 
import bzrlib
25
 
from bzrlib import (
 
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from .. import __version__ as brz_version
 
27
from .. import (
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    branch as _mod_branch,
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    diff as _mod_diff,
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    errors,
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    revision as _mod_revision,
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    )
32
34
 
33
 
try:
34
 
    from bzrlib.merge_directive import BaseMergeDirective
35
 
except ImportError:
36
 
    from bzrlib.merge_directive import (
37
 
        _BaseMergeDirective as BaseMergeDirective,
38
 
        )
 
35
from ..merge_directive import BaseMergeDirective
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36
 
40
 
from bzrlib.plugins.git import (
41
 
    version_info as bzr_git_version_info,
42
 
    )
43
 
from bzrlib.plugins.git.mapping import (
 
37
from .mapping import (
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    object_mode,
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    )
46
 
from bzrlib.plugins.git.object_store import (
 
40
from .object_store import (
47
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    get_object_store,
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    )
49
43
 
50
 
from cStringIO import StringIO
 
44
from io import BytesIO
51
45
from dulwich import (
52
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    __version__ as dulwich_version,
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    )
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    )
57
51
 
58
52
 
59
 
version_tail = "bzr %s, bzr-git %d.%d.%d, dulwich %d.%d.%d" % (
60
 
    (bzrlib.__version__, ) + bzr_git_version_info[:3] + dulwich_version[:3])
 
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version_tail = "Breezy %s, dulwich %d.%d.%d" % (
 
54
    (brz_version, ) + dulwich_version[:3])
61
55
 
62
56
 
63
57
class GitDiffTree(_mod_diff.DiffTree):
65
59
 
66
60
    def _show_diff(self, specific_files, extra_trees):
67
61
        from dulwich.patch import write_blob_diff
68
 
        iterator = self.new_tree.iter_changes(self.old_tree,
69
 
            specific_files=specific_files, extra_trees=extra_trees,
70
 
            require_versioned=True)
 
62
        iterator = self.new_tree.iter_changes(
 
63
            self.old_tree, specific_files=specific_files,
 
64
            extra_trees=extra_trees, require_versioned=True)
71
65
        has_changes = 0
 
66
 
72
67
        def get_encoded_path(path):
73
68
            if path is not None:
74
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                return path.encode(self.path_encoding, "replace")
 
70
 
75
71
        def get_file_mode(tree, path, kind, executable):
76
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            if path is None:
77
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                return 0
78
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            return object_mode(kind, executable)
79
 
        def get_blob(present, tree, file_id):
 
75
 
 
76
        def get_blob(present, tree, path):
80
77
            if present:
81
 
                return Blob.from_string(tree.get_file(file_id).read())
 
78
                with tree.get_file(path) as f:
 
79
                    return Blob.from_string(f.read())
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            else:
83
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                return None
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        trees = (self.old_tree, self.new_tree)
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                       (kind[1] not in (None, 'directory')))
95
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            if not present[0] and not present[1]:
96
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                continue
97
 
            contents = (get_blob(present[0], trees[0], file_id),
98
 
                        get_blob(present[1], trees[1], file_id))
 
95
            contents = (get_blob(present[0], trees[0], paths[0]),
 
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                        get_blob(present[1], trees[1], paths[1]))
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            renamed = (parent[0], name[0]) != (parent[1], name[1])
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            mode = (get_file_mode(trees[0], path_encoded[0],
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                                  kind[0], executable[0]),
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                    get_file_mode(trees[1], path_encoded[1],
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                                  kind[1], executable[1]))
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            write_blob_diff(self.to_file,
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                (path_encoded[0], mode[0], contents[0]),
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                (path_encoded[1], mode[1], contents[1]))
 
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                            (path_encoded[0], mode[0], contents[0]),
 
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                            (path_encoded[1], mode[1], contents[1]))
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            has_changes |= (changed_content or renamed)
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        return has_changes
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110
108
 
 
109
def generate_patch_filename(num, summary):
 
110
    return "%04d-%s.patch" % (num, summary.replace("/", "_").rstrip("."))
 
111
 
 
112
 
111
113
class GitMergeDirective(BaseMergeDirective):
112
114
 
113
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    multiple_output_files = True
114
116
 
115
117
    def __init__(self, revision_id, testament_sha1, time, timezone,
116
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                 target_branch, source_branch=None, message=None,
117
 
                 patches=None):
118
 
        super(GitMergeDirective, self).__init__(revision_id=revision_id,
119
 
            testament_sha1=testament_sha1, time=time, timezone=timezone,
120
 
            target_branch=target_branch, patch=None,
 
119
                 patches=None, local_target_branch=None):
 
120
        super(GitMergeDirective, self).__init__(
 
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            revision_id=revision_id, testament_sha1=testament_sha1, time=time,
 
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            timezone=timezone, target_branch=target_branch, patch=None,
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            source_branch=source_branch, message=message, bundle=None)
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        self.patches = patches
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125
 
129
131
 
130
132
    @classmethod
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    def _generate_commit(cls, repository, revision_id, num, total):
132
 
        s = StringIO()
 
134
        s = BytesIO()
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        store = get_object_store(repository)
134
 
        commit = store[store._lookup_revision_sha1(revision_id)]
 
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        with store.lock_read():
 
137
            commit = store[store._lookup_revision_sha1(revision_id)]
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        from dulwich.patch import write_commit_patch, get_summary
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        try:
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            lhs_parent = repository.get_revision(revision_id).parent_ids[0]
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            lhs_parent = _mod_revision.NULL_REVISION
140
143
        tree_1 = repository.revision_tree(lhs_parent)
141
144
        tree_2 = repository.revision_tree(revision_id)
142
 
        contents = StringIO()
143
 
        differ = GitDiffTree.from_trees_options(tree_1, tree_2,
144
 
                contents, 'utf8', None, 'a/', 'b/', None)
 
145
        contents = BytesIO()
 
146
        differ = GitDiffTree.from_trees_options(
 
147
            tree_1, tree_2, contents, 'utf8', None, 'a/', 'b/', None)
145
148
        differ.show_diff(None, None)
146
149
        write_commit_patch(s, commit, contents.getvalue(), (num, total),
147
150
                           version_tail)
148
 
        summary = "%04d-%s.patch" % (num, get_summary(commit).rstrip("."))
 
151
        summary = generate_patch_filename(num, get_summary(commit))
149
152
        return summary, s.getvalue()
150
153
 
151
154
    @classmethod
154
157
                     public_branch=None, message=None):
155
158
        patches = []
156
159
        submit_branch = _mod_branch.Branch.open(target_branch)
157
 
        submit_branch.lock_read()
158
 
        try:
 
160
        with submit_branch.lock_read():
159
161
            submit_revision_id = submit_branch.last_revision()
160
162
            repository.fetch(submit_branch.repository, submit_revision_id)
161
163
            graph = repository.get_graph()
162
164
            todo = graph.find_difference(submit_revision_id, revision_id)[1]
163
165
            total = len(todo)
164
166
            for i, revid in enumerate(graph.iter_topo_order(todo)):
165
 
                patches.append(cls._generate_commit(repository, revid, i+1,
166
 
                    total))
167
 
        finally:
168
 
            submit_branch.unlock()
 
167
                patches.append(cls._generate_commit(repository, revid, i + 1,
 
168
                                                    total))
169
169
        return cls(revision_id, None, time, timezone,
170
 
            target_branch=target_branch, source_branch=public_branch,
171
 
            message=message, patches=patches)
 
170
                   target_branch=target_branch, source_branch=public_branch,
 
171
                   message=message, patches=patches)
172
172
 
173
173
 
174
174
def send_git(branch, revision_id, submit_branch, public_branch, no_patch,
175
 
             no_bundle, message, base_revision_id):
 
175
             no_bundle, message, base_revision_id, local_target_branch=None):
176
176
    if no_patch:
177
 
        raise errors.BzrCommandError("no patch not supported for git-am style patches")
 
177
        raise errors.BzrCommandError(
 
178
            "no patch not supported for git-am style patches")
178
179
    if no_bundle:
179
 
        raise errors.BzrCommandError("no bundle not supported for git-am style patches")
 
180
        raise errors.BzrCommandError(
 
181
            "no bundle not supported for git-am style patches")
180
182
    return GitMergeDirective.from_objects(
181
183
        branch.repository, revision_id, time.time(),
182
184
        osutils.local_time_offset(), submit_branch,
183
 
        public_branch=public_branch, message=message)
 
185
        public_branch=public_branch, message=message,
 
186
        local_target_branch=local_target_branch)