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
|
#! /usr/bin/env python
"""Migrate a post-receive-email configuration to be usable with git_multimail.py.
See README.migrate-from-post-receive-email for more information.
"""
import sys
import optparse
from git_multimail import CommandError
from git_multimail import Config
from git_multimail import read_output
OLD_NAMES = [
'mailinglist',
'announcelist',
'envelopesender',
'emailprefix',
'showrev',
'emailmaxlines',
'diffopts',
'scancommitforcc',
]
NEW_NAMES = [
'environment',
'reponame',
'mailinglist',
'refchangelist',
'commitlist',
'announcelist',
'announceshortlog',
'envelopesender',
'administrator',
'emailprefix',
'emailmaxlines',
'diffopts',
'emaildomain',
'scancommitforcc',
]
INFO = """\
SUCCESS!
Your post-receive-email configuration has been converted to
git-multimail format. Please see README and
README.migrate-from-post-receive-email to learn about other
git-multimail configuration possibilities.
For example, git-multimail has the following new options with no
equivalent in post-receive-email. You might want to read about them
to see if they would be useful in your situation:
"""
def _check_old_config_exists(old):
"""Check that at least one old configuration value is set."""
for name in OLD_NAMES:
if name in old:
return True
return False
def _check_new_config_clear(new):
"""Check that none of the new configuration names are set."""
retval = True
for name in NEW_NAMES:
if name in new:
if retval:
sys.stderr.write('INFO: The following configuration values already exist:\n\n')
sys.stderr.write(' "%s.%s"\n' % (new.section, name))
retval = False
return retval
def erase_values(config, names):
for name in names:
if name in config:
try:
sys.stderr.write('...unsetting "%s.%s"\n' % (config.section, name))
config.unset_all(name)
except CommandError:
sys.stderr.write(
'\nWARNING: could not unset "%s.%s". '
'Perhaps it is not set at the --local level?\n\n'
% (config.section, name)
)
def is_section_empty(section, local):
"""Return True iff the specified configuration section is empty.
Iff local is True, use the --local option when invoking 'git
config'."""
if local:
local_option = ['--local']
else:
local_option = []
try:
read_output(
['git', 'config'] +
local_option +
['--get-regexp', '^%s\.' % (section,)]
)
except CommandError:
t, e, traceback = sys.exc_info()
if e.retcode == 1:
# This means that no settings were found.
return True
else:
raise
else:
return False
def remove_section_if_empty(section):
"""If the specified configuration section is empty, delete it."""
try:
empty = is_section_empty(section, local=True)
except CommandError:
# Older versions of git do not support the --local option, so
# if the first attempt fails, try without --local.
try:
empty = is_section_empty(section, local=False)
except CommandError:
sys.stderr.write(
'\nINFO: If configuration section "%s.*" is empty, you might want '
'to delete it.\n\n'
% (section,)
)
return
if empty:
sys.stderr.write('...removing section "%s.*"\n' % (section,))
read_output(['git', 'config', '--remove-section', section])
else:
sys.stderr.write(
'\nINFO: Configuration section "%s.*" still has contents. '
'It will not be deleted.\n\n'
% (section,)
)
def migrate_config(strict=False, retain=False, overwrite=False):
old = Config('hooks')
new = Config('multimailhook')
if not _check_old_config_exists(old):
sys.exit(
'Your repository has no post-receive-email configuration. '
'Nothing to do.'
)
if not _check_new_config_clear(new):
if overwrite:
sys.stderr.write('\nWARNING: Erasing the above values...\n\n')
erase_values(new, NEW_NAMES)
else:
sys.exit(
'\nERROR: Refusing to overwrite existing values. Use the --overwrite\n'
'option to continue anyway.'
)
name = 'showrev'
if name in old:
msg = 'git-multimail does not support "%s.%s"' % (old.section, name,)
if strict:
sys.exit(
'ERROR: %s.\n'
'Please unset that value then try again, or run without --strict.'
% (msg,)
)
else:
sys.stderr.write('\nWARNING: %s (ignoring).\n\n' % (msg,))
for name in ['mailinglist', 'announcelist']:
if name in old:
sys.stderr.write(
'...copying "%s.%s" to "%s.%s"\n' % (old.section, name, new.section, name)
)
old_recipients = old.get_all(name, default=None)
old_recipients = ', '.join(o.strip() for o in old_recipients)
new.set_recipients(name, old_recipients)
if strict:
sys.stderr.write(
'...setting "%s.commitlist" to the empty string\n' % (new.section,)
)
new.set_recipients('commitlist', '')
sys.stderr.write(
'...setting "%s.announceshortlog" to "true"\n' % (new.section,)
)
new.set('announceshortlog', 'true')
for name in ['envelopesender', 'emailmaxlines', 'diffopts', 'scancommitforcc']:
if name in old:
sys.stderr.write(
'...copying "%s.%s" to "%s.%s"\n' % (old.section, name, new.section, name)
)
new.set(name, old.get(name))
name = 'emailprefix'
if name in old:
sys.stderr.write(
'...copying "%s.%s" to "%s.%s"\n' % (old.section, name, new.section, name)
)
new.set(name, old.get(name))
elif strict:
sys.stderr.write(
'...setting "%s.%s" to "[SCM]" to preserve old subject lines\n'
% (new.section, name)
)
new.set(name, '[SCM]')
if not retain:
erase_values(old, OLD_NAMES)
remove_section_if_empty(old.section)
sys.stderr.write(INFO)
for name in NEW_NAMES:
if name not in OLD_NAMES:
sys.stderr.write(' "%s.%s"\n' % (new.section, name,))
sys.stderr.write('\n')
def main(args):
parser = optparse.OptionParser(
description=__doc__,
usage='%prog [OPTIONS]',
)
parser.add_option(
'--strict', action='store_true', default=False,
help=(
'Slavishly configure git-multimail as closely as possible to '
'the post-receive-email configuration. Default is to turn '
'on some new features that have no equivalent in post-receive-email.'
),
)
parser.add_option(
'--retain', action='store_true', default=False,
help=(
'Retain the post-receive-email configuration values. '
'Default is to delete them after the new values are set.'
),
)
parser.add_option(
'--overwrite', action='store_true', default=False,
help=(
'Overwrite any existing git-multimail configuration settings. '
'Default is to abort if such settings already exist.'
),
)
(options, args) = parser.parse_args(args)
if args:
parser.error('Unexpected arguments: %s' % (' '.join(args),))
migrate_config(strict=options.strict, retain=options.retain, overwrite=options.overwrite)
main(sys.argv[1:])
|
