summaryrefslogtreecommitdiff
path: root/tools/patman/series.py
blob: 7a3534fee9abf4d4e3dfb972fc0e8e2dafe48a2b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
# Copyright (c) 2011 The Chromium OS Authors.
#
# SPDX-License-Identifier:	GPL-2.0+
#

from __future__ import print_function

import itertools
import os

import get_maintainer
import gitutil
import terminal

# Series-xxx tags that we understand
valid_series = ['to', 'cc', 'version', 'changes', 'prefix', 'notes', 'name',
                'cover_cc', 'process_log']

class Series(dict):
    """Holds information about a patch series, including all tags.

    Vars:
        cc: List of aliases/emails to Cc all patches to
        commits: List of Commit objects, one for each patch
        cover: List of lines in the cover letter
        notes: List of lines in the notes
        changes: (dict) List of changes for each version, The key is
            the integer version number
        allow_overwrite: Allow tags to overwrite an existing tag
    """
    def __init__(self):
        self.cc = []
        self.to = []
        self.cover_cc = []
        self.commits = []
        self.cover = None
        self.notes = []
        self.changes = {}
        self.allow_overwrite = False

        # Written in MakeCcFile()
        #  key: name of patch file
        #  value: list of email addresses
        self._generated_cc = {}

    # These make us more like a dictionary
    def __setattr__(self, name, value):
        self[name] = value

    def __getattr__(self, name):
        return self[name]

    def AddTag(self, commit, line, name, value):
        """Add a new Series-xxx tag along with its value.

        Args:
            line: Source line containing tag (useful for debug/error messages)
            name: Tag name (part after 'Series-')
            value: Tag value (part after 'Series-xxx: ')
        """
        # If we already have it, then add to our list
        name = name.replace('-', '_')
        if name in self and not self.allow_overwrite:
            values = value.split(',')
            values = [str.strip() for str in values]
            if type(self[name]) != type([]):
                raise ValueError("In %s: line '%s': Cannot add another value "
                        "'%s' to series '%s'" %
                            (commit.hash, line, values, self[name]))
            self[name] += values

        # Otherwise just set the value
        elif name in valid_series:
            if name=="notes":
                self[name] = [value]
            else:
                self[name] = value
        else:
            raise ValueError("In %s: line '%s': Unknown 'Series-%s': valid "
                        "options are %s" % (commit.hash, line, name,
                            ', '.join(valid_series)))

    def AddCommit(self, commit):
        """Add a commit into our list of commits

        We create a list of tags in the commit subject also.

        Args:
            commit: Commit object to add
        """
        commit.CheckTags()
        self.commits.append(commit)

    def ShowActions(self, args, cmd, process_tags):
        """Show what actions we will/would perform

        Args:
            args: List of patch files we created
            cmd: The git command we would have run
            process_tags: Process tags as if they were aliases
        """
        to_set = set(gitutil.BuildEmailList(self.to));
        cc_set = set(gitutil.BuildEmailList(self.cc));

        col = terminal.Color()
        print('Dry run, so not doing much. But I would do this:')
        print()
        print('Send a total of %d patch%s with %scover letter.' % (
                len(args), '' if len(args) == 1 else 'es',
                self.get('cover') and 'a ' or 'no '))

        # TODO: Colour the patches according to whether they passed checks
        for upto in range(len(args)):
            commit = self.commits[upto]
            print(col.Color(col.GREEN, '   %s' % args[upto]))
            cc_list = list(self._generated_cc[commit.patch])
            for email in set(cc_list) - to_set - cc_set:
                if email == None:
                    email = col.Color(col.YELLOW, "<alias '%s' not found>"
                            % tag)
                if email:
                    print('      Cc: ', email)
        print
        for item in to_set:
            print('To:\t ', item)
        for item in cc_set - to_set:
            print('Cc:\t ', item)
        print('Version: ', self.get('version'))
        print('Prefix:\t ', self.get('prefix'))
        if self.cover:
            print('Cover: %d lines' % len(self.cover))
            cover_cc = gitutil.BuildEmailList(self.get('cover_cc', ''))
            all_ccs = itertools.chain(cover_cc, *self._generated_cc.values())
            for email in set(all_ccs) - to_set - cc_set:
                    print('      Cc: ', email)
        if cmd:
            print('Git command: %s' % cmd)

    def MakeChangeLog(self, commit):
        """Create a list of changes for each version.

        Return:
            The change log as a list of strings, one per line

            Changes in v4:
            - Jog the dial back closer to the widget

            Changes in v3: None
            Changes in v2:
            - Fix the widget
            - Jog the dial

            etc.
        """
        final = []
        process_it = self.get('process_log', '').split(',')
        process_it = [item.strip() for item in process_it]
        need_blank = False
        for change in sorted(self.changes, reverse=True):
            out = []
            for this_commit, text in self.changes[change]:
                if commit and this_commit != commit:
                    continue
                if 'uniq' not in process_it or text not in out:
                    out.append(text)
            line = 'Changes in v%d:' % change
            have_changes = len(out) > 0
            if 'sort' in process_it:
                out = sorted(out)
            if have_changes:
                out.insert(0, line)
            else:
                out = [line + ' None']
            if need_blank:
                out.insert(0, '')
            final += out
            need_blank = have_changes
        if self.changes:
            final.append('')
        return final

    def DoChecks(self):
        """Check that each version has a change log

        Print an error if something is wrong.
        """
        col = terminal.Color()
        if self.get('version'):
            changes_copy = dict(self.changes)
            for version in range(1, int(self.version) + 1):
                if self.changes.get(version):
                    del changes_copy[version]
                else:
                    if version > 1:
                        str = 'Change log missing for v%d' % version
                        print(col.Color(col.RED, str))
            for version in changes_copy:
                str = 'Change log for unknown version v%d' % version
                print(col.Color(col.RED, str))
        elif self.changes:
            str = 'Change log exists, but no version is set'
            print(col.Color(col.RED, str))

    def MakeCcFile(self, process_tags, cover_fname, raise_on_error,
                   add_maintainers):
        """Make a cc file for us to use for per-commit Cc automation

        Also stores in self._generated_cc to make ShowActions() faster.

        Args:
            process_tags: Process tags as if they were aliases
            cover_fname: If non-None the name of the cover letter.
            raise_on_error: True to raise an error when an alias fails to match,
                False to just print a message.
            add_maintainers: Call the get_maintainers to CC maintainers
        Return:
            Filename of temp file created
        """
        # Look for commit tags (of the form 'xxx:' at the start of the subject)
        fname = '/tmp/patman.%d' % os.getpid()
        fd = open(fname, 'w')
        all_ccs = []
        for commit in self.commits:
            list = []
            if process_tags:
                list += gitutil.BuildEmailList(commit.tags,
                                               raise_on_error=raise_on_error)
            list += gitutil.BuildEmailList(commit.cc_list,
                                           raise_on_error=raise_on_error)
            if add_maintainers:
                list += get_maintainer.GetMaintainer(commit.patch)
            list = [m.encode('utf-8') if type(m) != str else m for m in list]
            all_ccs += list
            print(commit.patch, ', '.join(set(list)), file=fd)
            self._generated_cc[commit.patch] = list

        if cover_fname:
            cover_cc = gitutil.BuildEmailList(self.get('cover_cc', ''))
            cover_cc = [m.encode('utf-8') if type(m) != str else m
                        for m in cover_cc]
            cc_list = ', '.join([x.decode('utf-8')
                                 for x in set(cover_cc + all_ccs)])
            print(cover_fname, cc_list.encode('utf-8'), file=fd)

        fd.close()
        return fname

    def AddChange(self, version, commit, info):
        """Add a new change line to a version.

        This will later appear in the change log.

        Args:
            version: version number to add change list to
            info: change line for this version
        """
        if not self.changes.get(version):
            self.changes[version] = []
        self.changes[version].append([commit, info])

    def GetPatchPrefix(self):
        """Get the patch version string

        Return:
            Patch string, like 'RFC PATCH v5' or just 'PATCH'
        """
        git_prefix = gitutil.GetDefaultSubjectPrefix()
        if git_prefix:
            git_prefix = '%s][' % git_prefix
        else:
            git_prefix = ''

        version = ''
        if self.get('version'):
            version = ' v%s' % self['version']

        # Get patch name prefix
        prefix = ''
        if self.get('prefix'):
            prefix = '%s ' % self['prefix']
        return '%s%sPATCH%s' % (git_prefix, prefix, version)