xref: /openbmc/u-boot/tools/patman/series.py (revision 7ca6f363)
1# Copyright (c) 2011 The Chromium OS Authors.
2#
3# SPDX-License-Identifier:	GPL-2.0+
4#
5
6import itertools
7import os
8
9import get_maintainer
10import gitutil
11import terminal
12
13# Series-xxx tags that we understand
14valid_series = ['to', 'cc', 'version', 'changes', 'prefix', 'notes', 'name',
15                'cover-cc', 'process_log']
16
17class Series(dict):
18    """Holds information about a patch series, including all tags.
19
20    Vars:
21        cc: List of aliases/emails to Cc all patches to
22        commits: List of Commit objects, one for each patch
23        cover: List of lines in the cover letter
24        notes: List of lines in the notes
25        changes: (dict) List of changes for each version, The key is
26            the integer version number
27        allow_overwrite: Allow tags to overwrite an existing tag
28    """
29    def __init__(self):
30        self.cc = []
31        self.to = []
32        self.cover_cc = []
33        self.commits = []
34        self.cover = None
35        self.notes = []
36        self.changes = {}
37        self.allow_overwrite = False
38
39        # Written in MakeCcFile()
40        #  key: name of patch file
41        #  value: list of email addresses
42        self._generated_cc = {}
43
44    # These make us more like a dictionary
45    def __setattr__(self, name, value):
46        self[name] = value
47
48    def __getattr__(self, name):
49        return self[name]
50
51    def AddTag(self, commit, line, name, value):
52        """Add a new Series-xxx tag along with its value.
53
54        Args:
55            line: Source line containing tag (useful for debug/error messages)
56            name: Tag name (part after 'Series-')
57            value: Tag value (part after 'Series-xxx: ')
58        """
59        # If we already have it, then add to our list
60        name = name.replace('-', '_')
61        if name in self and not self.allow_overwrite:
62            values = value.split(',')
63            values = [str.strip() for str in values]
64            if type(self[name]) != type([]):
65                raise ValueError("In %s: line '%s': Cannot add another value "
66                        "'%s' to series '%s'" %
67                            (commit.hash, line, values, self[name]))
68            self[name] += values
69
70        # Otherwise just set the value
71        elif name in valid_series:
72            self[name] = value
73        else:
74            raise ValueError("In %s: line '%s': Unknown 'Series-%s': valid "
75                        "options are %s" % (commit.hash, line, name,
76                            ', '.join(valid_series)))
77
78    def AddCommit(self, commit):
79        """Add a commit into our list of commits
80
81        We create a list of tags in the commit subject also.
82
83        Args:
84            commit: Commit object to add
85        """
86        commit.CheckTags()
87        self.commits.append(commit)
88
89    def ShowActions(self, args, cmd, process_tags):
90        """Show what actions we will/would perform
91
92        Args:
93            args: List of patch files we created
94            cmd: The git command we would have run
95            process_tags: Process tags as if they were aliases
96        """
97        col = terminal.Color()
98        print 'Dry run, so not doing much. But I would do this:'
99        print
100        print 'Send a total of %d patch%s with %scover letter.' % (
101                len(args), '' if len(args) == 1 else 'es',
102                self.get('cover') and 'a ' or 'no ')
103
104        # TODO: Colour the patches according to whether they passed checks
105        for upto in range(len(args)):
106            commit = self.commits[upto]
107            print col.Color(col.GREEN, '   %s' % args[upto])
108            cc_list = list(self._generated_cc[commit.patch])
109
110            # Skip items in To list
111            if 'to' in self:
112                try:
113                    map(cc_list.remove, gitutil.BuildEmailList(self.to))
114                except ValueError:
115                    pass
116
117            for email in cc_list:
118                if email == None:
119                    email = col.Color(col.YELLOW, "<alias '%s' not found>"
120                            % tag)
121                if email:
122                    print '      Cc: ',email
123        print
124        for item in gitutil.BuildEmailList(self.get('to', '<none>')):
125            print 'To:\t ', item
126        for item in gitutil.BuildEmailList(self.cc):
127            print 'Cc:\t ', item
128        print 'Version: ', self.get('version')
129        print 'Prefix:\t ', self.get('prefix')
130        if self.cover:
131            print 'Cover: %d lines' % len(self.cover)
132            cover_cc = gitutil.BuildEmailList(self.get('cover_cc', ''))
133            all_ccs = itertools.chain(cover_cc, *self._generated_cc.values())
134            for email in set(all_ccs):
135                    print '      Cc: ',email
136        if cmd:
137            print 'Git command: %s' % cmd
138
139    def MakeChangeLog(self, commit):
140        """Create a list of changes for each version.
141
142        Return:
143            The change log as a list of strings, one per line
144
145            Changes in v4:
146            - Jog the dial back closer to the widget
147
148            Changes in v3: None
149            Changes in v2:
150            - Fix the widget
151            - Jog the dial
152
153            etc.
154        """
155        final = []
156        process_it = self.get('process_log', '').split(',')
157        process_it = [item.strip() for item in process_it]
158        need_blank = False
159        for change in sorted(self.changes, reverse=True):
160            out = []
161            for this_commit, text in self.changes[change]:
162                if commit and this_commit != commit:
163                    continue
164                if 'uniq' not in process_it or text not in out:
165                    out.append(text)
166            line = 'Changes in v%d:' % change
167            have_changes = len(out) > 0
168            if 'sort' in process_it:
169                out = sorted(out)
170            if have_changes:
171                out.insert(0, line)
172            else:
173                out = [line + ' None']
174            if need_blank:
175                out.insert(0, '')
176            final += out
177            need_blank = have_changes
178        if self.changes:
179            final.append('')
180        return final
181
182    def DoChecks(self):
183        """Check that each version has a change log
184
185        Print an error if something is wrong.
186        """
187        col = terminal.Color()
188        if self.get('version'):
189            changes_copy = dict(self.changes)
190            for version in range(1, int(self.version) + 1):
191                if self.changes.get(version):
192                    del changes_copy[version]
193                else:
194                    if version > 1:
195                        str = 'Change log missing for v%d' % version
196                        print col.Color(col.RED, str)
197            for version in changes_copy:
198                str = 'Change log for unknown version v%d' % version
199                print col.Color(col.RED, str)
200        elif self.changes:
201            str = 'Change log exists, but no version is set'
202            print col.Color(col.RED, str)
203
204    def MakeCcFile(self, process_tags, cover_fname, raise_on_error):
205        """Make a cc file for us to use for per-commit Cc automation
206
207        Also stores in self._generated_cc to make ShowActions() faster.
208
209        Args:
210            process_tags: Process tags as if they were aliases
211            cover_fname: If non-None the name of the cover letter.
212            raise_on_error: True to raise an error when an alias fails to match,
213                False to just print a message.
214        Return:
215            Filename of temp file created
216        """
217        # Look for commit tags (of the form 'xxx:' at the start of the subject)
218        fname = '/tmp/patman.%d' % os.getpid()
219        fd = open(fname, 'w')
220        all_ccs = []
221        for commit in self.commits:
222            list = []
223            if process_tags:
224                list += gitutil.BuildEmailList(commit.tags,
225                                               raise_on_error=raise_on_error)
226            list += gitutil.BuildEmailList(commit.cc_list,
227                                           raise_on_error=raise_on_error)
228            list += get_maintainer.GetMaintainer(commit.patch)
229            all_ccs += list
230            print >>fd, commit.patch, ', '.join(list)
231            self._generated_cc[commit.patch] = list
232
233        if cover_fname:
234            cover_cc = gitutil.BuildEmailList(self.get('cover_cc', ''))
235            print >>fd, cover_fname, ', '.join(set(cover_cc + all_ccs))
236
237        fd.close()
238        return fname
239
240    def AddChange(self, version, commit, info):
241        """Add a new change line to a version.
242
243        This will later appear in the change log.
244
245        Args:
246            version: version number to add change list to
247            info: change line for this version
248        """
249        if not self.changes.get(version):
250            self.changes[version] = []
251        self.changes[version].append([commit, info])
252
253    def GetPatchPrefix(self):
254        """Get the patch version string
255
256        Return:
257            Patch string, like 'RFC PATCH v5' or just 'PATCH'
258        """
259        version = ''
260        if self.get('version'):
261            version = ' v%s' % self['version']
262
263        # Get patch name prefix
264        prefix = ''
265        if self.get('prefix'):
266            prefix = '%s ' % self['prefix']
267        return '%sPATCH%s' % (prefix, version)
268