2 Copyright (C) 2005, Catalin Marinas <catalin.marinas@gmail.com>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License version 2 as
6 published by the Free Software Foundation.
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 import sys, os, re, email
19 from email.Header import decode_header, make_header
20 from mailbox import UnixMailbox
21 from StringIO import StringIO
22 from optparse import OptionParser, make_option
24 from stgit.commands.common import *
25 from stgit.utils import *
26 from stgit import stack, git
29 help = 'import a GNU diff file as a new patch'
30 usage = """%prog [options] [<file>|<url>]
32 Create a new patch and apply the given GNU diff file (or the standard
33 input). By default, the file name is used as the patch name but this
34 can be overridden with the '--name' option. The patch can either be a
35 normal file with the description at the top or it can have standard
36 mail format, the Subject, From and Date headers being used for
37 generating the patch information. The command can also read series and
40 If a patch does not apply cleanly, the failed diff is written to the
41 .stgit-failed.patch file and an empty StGIT patch is added to the
44 The patch description has to be separated from the data with a '---'
47 options = [make_option('-m', '--mail',
48 help = 'import the patch from a standard e-mail file',
49 action = 'store_true'),
50 make_option('-M', '--mbox',
51 help = 'import a series of patches from an mbox file',
52 action = 'store_true'),
53 make_option('-s', '--series',
54 help = 'import a series of patches',
55 action = 'store_true'),
56 make_option('-u', '--url',
57 help = 'import a patch from a URL',
58 action = 'store_true'),
59 make_option('-n', '--name',
60 help = 'use NAME as the patch name'),
61 make_option('-t', '--strip',
62 help = 'strip numbering and extension from patch name',
63 action = 'store_true'),
64 make_option('-i', '--ignore',
65 help = 'ignore the applied patches in the series',
66 action = 'store_true'),
67 make_option('--replace',
68 help = 'replace the unapplied patches in the series',
69 action = 'store_true'),
70 make_option('-b', '--base',
71 help = 'use BASE instead of HEAD for file importing'),
72 make_option('-e', '--edit',
73 help = 'invoke an editor for the patch description',
74 action = 'store_true'),
75 make_option('-p', '--showpatch',
76 help = 'show the patch content in the editor buffer',
77 action = 'store_true'),
78 make_option('-a', '--author', metavar = '"NAME <EMAIL>"',
79 help = 'use "NAME <EMAIL>" as the author details'),
80 make_option('--authname',
81 help = 'use AUTHNAME as the author name'),
82 make_option('--authemail',
83 help = 'use AUTHEMAIL as the author e-mail'),
84 make_option('--authdate',
85 help = 'use AUTHDATE as the author date'),
86 make_option('--commname',
87 help = 'use COMMNAME as the committer name'),
88 make_option('--commemail',
89 help = 'use COMMEMAIL as the committer e-mail')]
92 def __end_descr(line):
93 return re.match('---\s*$', line) or re.match('diff -', line) or \
94 re.match('Index: ', line)
96 def __strip_patch_name(name):
97 stripped = re.sub('^[0-9]+-(.*)$', '\g<1>', name)
98 stripped = re.sub('^(.*)\.(diff|patch)$', '\g<1>', stripped)
102 def __replace_slashes_with_dashes(name):
103 stripped = name.replace('/', '-')
107 def __parse_description(descr):
108 """Parse the patch description and return the new description and
109 author information (if any).
112 authname = authemail = authdate = None
114 descr_lines = [line.rstrip() for line in descr.split('\n')]
116 raise CmdException, "Empty patch description"
119 end = len(descr_lines)
121 # Parse the patch header
122 for pos in range(0, end):
123 if not descr_lines[pos]:
125 # check for a "From|Author:" line
126 if re.match('\s*(?:from|author):\s+', descr_lines[pos], re.I):
127 auth = re.findall('^.*?:\s+(.*)$', descr_lines[pos])[0]
128 authname, authemail = name_email(auth)
131 # check for a "Date:" line
132 if re.match('\s*date:\s+', descr_lines[pos], re.I):
133 authdate = re.findall('^.*?:\s+(.*)$', descr_lines[pos])[0]
139 subject = descr_lines[pos]
144 body = reduce(lambda x, y: x + '\n' + y, descr_lines[lasthdr:], '')
146 return (subject + body, authname, authemail, authdate)
148 def __parse_mail(msg):
149 """Parse the message object and return (description, authname,
150 authemail, authdate, diff)
152 def __decode_header(header):
153 """Decode a qp-encoded e-mail header as per rfc2047"""
155 words_enc = decode_header(header)
156 hobj = make_header(words_enc)
157 except Exception, ex:
158 raise CmdException, 'header decoding error: %s' % str(ex)
159 return unicode(hobj).encode('utf-8')
162 if msg.has_key('from'):
163 authname, authemail = name_email(__decode_header(msg['from']))
165 authname = authemail = None
167 # '\n\t' can be found on multi-line headers
168 descr = __decode_header(msg['subject']).replace('\n\t', ' ')
169 authdate = msg['date']
171 # remove the '[*PATCH*]' expression in the subject
173 descr = re.findall('^(\[.*?[Pp][Aa][Tt][Cc][Hh].*?\])?\s*(.*)$',
177 raise CmdException, 'Subject: line not found'
179 # the rest of the message
180 if msg.is_multipart():
181 # this is assuming that the first part is the patch
182 # description and the second part is the attached patch
183 descr += msg.get_payload(0).get_payload(decode = True)
184 diff = msg.get_payload(1).get_payload(decode = True)
186 diff = msg.get_payload(decode = True)
188 for line in diff.split('\n'):
189 if __end_descr(line):
195 # parse the description for author information
196 descr, descr_authname, descr_authemail, descr_authdate = \
197 __parse_description(descr)
199 authname = descr_authname
201 authemail = descr_authemail
203 authdate = descr_authdate
205 return (descr, authname, authemail, authdate, diff)
207 def __parse_patch(fobj):
208 """Parse the input file and return (description, authname,
209 authemail, authdate, diff)
213 line = fobj.readline()
217 if __end_descr(line):
225 descr, authname, authemail, authdate = __parse_description(descr)
227 # we don't yet have an agreed place for the creation date.
229 return (descr, authname, authemail, authdate, diff)
231 def __create_patch(filename, message, author_name, author_email,
232 author_date, diff, options):
233 """Create a new patch on the stack
238 patch = os.path.basename(filename)
242 patch = __strip_patch_name(patch)
245 if options.ignore or options.replace:
246 unacceptable_name = lambda name: False
248 unacceptable_name = crt_series.patch_exists
249 patch = make_patch_name(message, unacceptable_name)
251 # fix possible invalid characters in the patch name
252 patch = re.sub('[^\w.]+', '-', patch).strip('-')
255 raise CmdException, 'No diff found inside the patch'
257 if options.ignore and patch in crt_series.get_applied():
258 print 'Ignoring already applied patch "%s"' % patch
260 if options.replace and patch in crt_series.get_unapplied():
261 crt_series.delete_patch(patch)
263 # refresh_patch() will invoke the editor in this case, with correct
268 committer_name = committer_email = None
271 options.authname, options.authemail = name_email(options.author)
273 # override the automatically parsed settings
275 author_name = options.authname
276 if options.authemail:
277 author_email = options.authemail
279 author_date = options.authdate
281 committer_name = options.commname
282 if options.commemail:
283 committer_email = options.commemail
285 crt_series.new_patch(patch, message = message, can_edit = False,
286 author_name = author_name,
287 author_email = author_email,
288 author_date = author_date,
289 committer_name = committer_name,
290 committer_email = committer_email)
292 print 'Importing patch "%s"...' % patch,
296 git.apply_patch(diff = diff, base = git_id(options.base))
298 git.apply_patch(diff = diff)
300 crt_series.refresh_patch(edit = options.edit,
301 show_patch = options.showpatch)
305 def __import_file(filename, options, patch = None):
306 """Import a patch from a file or standard input
315 msg = email.message_from_file(f)
316 except Exception, ex:
317 raise CmdException, 'error parsing the e-mail file: %s' % str(ex)
318 message, author_name, author_email, author_date, diff = \
321 message, author_name, author_email, author_date, diff = \
332 __create_patch(pname, message, author_name, author_email,
333 author_date, diff, options)
335 def __import_series(filename, options):
336 """Import a series of patches
338 applied = crt_series.get_applied()
342 patchdir = os.path.dirname(filename)
348 patch = re.sub('#.*$', '', line).strip()
351 patchfile = os.path.join(patchdir, patch)
352 patch = __replace_slashes_with_dashes(patch);
354 __import_file(patchfile, options, patch)
359 def __import_mbox(filename, options):
360 """Import a series from an mbox file
363 f = file(filename, 'rb')
365 f = StringIO(sys.stdin.read())
368 mbox = UnixMailbox(f, email.message_from_file)
369 except Exception, ex:
370 raise CmdException, 'error parsing the mbox file: %s' % str(ex)
373 message, author_name, author_email, author_date, diff = \
375 __create_patch(None, message, author_name, author_email,
376 author_date, diff, options)
380 def __import_url(url, options):
381 """Import a patch from a URL
387 parser.error('URL argument required')
389 patch = os.path.basename(urllib.unquote(url))
390 filename = os.path.join(tempfile.gettempdir(), patch)
391 urllib.urlretrieve(url, filename)
392 __import_file(filename, options)
394 def func(parser, options, args):
395 """Import a GNU diff file as a new patch
398 parser.error('incorrect number of arguments')
400 check_local_changes()
402 check_head_top_equal()
410 __import_series(filename, options)
412 __import_mbox(filename, options)
414 __import_url(filename, options)
416 __import_file(filename, options)