xref: /openbmc/u-boot/tools/patman/series.py (revision f20562e4)
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        to_set = set(gitutil.BuildEmailList(self.to));
98        cc_set = set(gitutil.BuildEmailList(self.cc));
99
100        col = terminal.Color()
101        print 'Dry run, so not doing much. But I would do this:'
102        print
103        print 'Send a total of %d patch%s with %scover letter.' % (
104                len(args), '' if len(args) == 1 else 'es',
105                self.get('cover') and 'a ' or 'no ')
106
107        # TODO: Colour the patches according to whether they passed checks
108        for upto in range(len(args)):
109            commit = self.commits[upto]
110            print col.Color(col.GREEN, '   %s' % args[upto])
111            cc_list = list(self._generated_cc[commit.patch])
112            for email in set(cc_list) - to_set - cc_set:
113                if email == None:
114                    email = col.Color(col.YELLOW, "<alias '%s' not found>"
115                            % tag)
116                if email:
117                    print '      Cc: ',email
118        print
119        for item in to_set:
120            print 'To:\t ', item
121        for item in cc_set - to_set:
122            print 'Cc:\t ', item
123        print 'Version: ', self.get('version')
124        print 'Prefix:\t ', self.get('prefix')
125        if self.cover:
126            print 'Cover: %d lines' % len(self.cover)
127            cover_cc = gitutil.BuildEmailList(self.get('cover_cc', ''))
128            all_ccs = itertools.chain(cover_cc, *self._generated_cc.values())
129            for email in set(all_ccs) - to_set - cc_set:
130                    print '      Cc: ',email
131        if cmd:
132            print 'Git command: %s' % cmd
133
134    def MakeChangeLog(self, commit):
135        """Create a list of changes for each version.
136
137        Return:
138            The change log as a list of strings, one per line
139
140            Changes in v4:
141            - Jog the dial back closer to the widget
142
143            Changes in v3: None
144            Changes in v2:
145            - Fix the widget
146            - Jog the dial
147
148            etc.
149        """
150        final = []
151        process_it = self.get('process_log', '').split(',')
152        process_it = [item.strip() for item in process_it]
153        need_blank = False
154        for change in sorted(self.changes, reverse=True):
155            out = []
156            for this_commit, text in self.changes[change]:
157                if commit and this_commit != commit:
158                    continue
159                if 'uniq' not in process_it or text not in out:
160                    out.append(text)
161            line = 'Changes in v%d:' % change
162            have_changes = len(out) > 0
163            if 'sort' in process_it:
164                out = sorted(out)
165            if have_changes:
166                out.insert(0, line)
167            else:
168                out = [line + ' None']
169            if need_blank:
170                out.insert(0, '')
171            final += out
172            need_blank = have_changes
173        if self.changes:
174            final.append('')
175        return final
176
177    def DoChecks(self):
178        """Check that each version has a change log
179
180        Print an error if something is wrong.
181        """
182        col = terminal.Color()
183        if self.get('version'):
184            changes_copy = dict(self.changes)
185            for version in range(1, int(self.version) + 1):
186                if self.changes.get(version):
187                    del changes_copy[version]
188                else:
189                    if version > 1:
190                        str = 'Change log missing for v%d' % version
191                        print col.Color(col.RED, str)
192            for version in changes_copy:
193                str = 'Change log for unknown version v%d' % version
194                print col.Color(col.RED, str)
195        elif self.changes:
196            str = 'Change log exists, but no version is set'
197            print col.Color(col.RED, str)
198
199    def MakeCcFile(self, process_tags, cover_fname, raise_on_error,
200                   add_maintainers):
201        """Make a cc file for us to use for per-commit Cc automation
202
203        Also stores in self._generated_cc to make ShowActions() faster.
204
205        Args:
206            process_tags: Process tags as if they were aliases
207            cover_fname: If non-None the name of the cover letter.
208            raise_on_error: True to raise an error when an alias fails to match,
209                False to just print a message.
210            add_maintainers: Call the get_maintainers to CC maintainers
211        Return:
212            Filename of temp file created
213        """
214        # Look for commit tags (of the form 'xxx:' at the start of the subject)
215        fname = '/tmp/patman.%d' % os.getpid()
216        fd = open(fname, 'w')
217        all_ccs = []
218        for commit in self.commits:
219            list = []
220            if process_tags:
221                list += gitutil.BuildEmailList(commit.tags,
222                                               raise_on_error=raise_on_error)
223            list += gitutil.BuildEmailList(commit.cc_list,
224                                           raise_on_error=raise_on_error)
225	    if add_maintainers:
226                list += get_maintainer.GetMaintainer(commit.patch)
227            all_ccs += list
228            print >>fd, commit.patch, ', '.join(set(list))
229            self._generated_cc[commit.patch] = list
230
231        if cover_fname:
232            cover_cc = gitutil.BuildEmailList(self.get('cover_cc', ''))
233            print >>fd, cover_fname, ', '.join(set(cover_cc + all_ccs))
234
235        fd.close()
236        return fname
237
238    def AddChange(self, version, commit, info):
239        """Add a new change line to a version.
240
241        This will later appear in the change log.
242
243        Args:
244            version: version number to add change list to
245            info: change line for this version
246        """
247        if not self.changes.get(version):
248            self.changes[version] = []
249        self.changes[version].append([commit, info])
250
251    def GetPatchPrefix(self):
252        """Get the patch version string
253
254        Return:
255            Patch string, like 'RFC PATCH v5' or just 'PATCH'
256        """
257        git_prefix = gitutil.GetDefaultSubjectPrefix()
258        if git_prefix:
259	    git_prefix = '%s][' % git_prefix
260        else:
261            git_prefix = ''
262
263        version = ''
264        if self.get('version'):
265            version = ' v%s' % self['version']
266
267        # Get patch name prefix
268        prefix = ''
269        if self.get('prefix'):
270            prefix = '%s ' % self['prefix']
271        return '%s%sPATCH%s' % (git_prefix, prefix, version)
272