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.out import *
27 from stgit import stack, git
30 help = 'import a GNU diff file as a new patch'
31 usage = """%prog [options] [<file>|<url>]
33 Create a new patch and apply the given GNU diff file (or the standard
34 input). By default, the file name is used as the patch name but this
35 can be overridden with the '--name' option. The patch can either be a
36 normal file with the description at the top or it can have standard
37 mail format, the Subject, From and Date headers being used for
38 generating the patch information. The command can also read series and
41 If a patch does not apply cleanly, the failed diff is written to the
42 .stgit-failed.patch file and an empty StGIT patch is added to the
45 The patch description has to be separated from the data with a '---'
48 options = [make_option('-m', '--mail',
49 help = 'import the patch from a standard e-mail file',
50 action = 'store_true'),
51 make_option('-M', '--mbox',
52 help = 'import a series of patches from an mbox file',
53 action = 'store_true'),
54 make_option('-s', '--series',
55 help = 'import a series of patches',
56 action = 'store_true'),
57 make_option('-u', '--url',
58 help = 'import a patch from a URL',
59 action = 'store_true'),
60 make_option('-n', '--name',
61 help = 'use NAME as the patch name'),
62 make_option('-t', '--strip',
63 help = 'strip numbering and extension from patch name',
64 action = 'store_true'),
65 make_option('-i', '--ignore',
66 help = 'ignore the applied patches in the series',
67 action = 'store_true'),
68 make_option('--replace',
69 help = 'replace the unapplied patches in the series',
70 action = 'store_true'),
71 make_option('-b', '--base',
72 help = 'use BASE instead of HEAD for file importing'),
73 make_option('-e', '--edit',
74 help = 'invoke an editor for the patch description',
75 action = 'store_true'),
76 make_option('-p', '--showpatch',
77 help = 'show the patch content in the editor buffer',
78 action = 'store_true'),
79 make_option('-a', '--author', metavar = '"NAME <EMAIL>"',
80 help = 'use "NAME <EMAIL>" as the author details'),
81 make_option('--authname',
82 help = 'use AUTHNAME as the author name'),
83 make_option('--authemail',
84 help = 'use AUTHEMAIL as the author e-mail'),
85 make_option('--authdate',
86 help = 'use AUTHDATE as the author date'),
87 make_option('--commname',
88 help = 'use COMMNAME as the committer name'),
89 make_option('--commemail',
90 help = 'use COMMEMAIL as the committer e-mail')]
93 def __end_descr(line):
94 return re.match('---\s*$', line) or re.match('diff -', line) or \
95 re.match('Index: ', line)
97 def __strip_patch_name(name):
98 stripped = re.sub('^[0-9]+-(.*)$', '\g<1>', name)
99 stripped = re.sub('^(.*)\.(diff|patch)$', '\g<1>', stripped)
103 def __replace_slashes_with_dashes(name):
104 stripped = name.replace('/', '-')
108 def __split_descr_diff(string):
109 """Return the description and the diff from the given string
114 for line in string.split('\n'):
116 if not __end_descr(line):
123 return (descr.rstrip(), diff)
125 def __parse_description(descr):
126 """Parse the patch description and return the new description and
127 author information (if any).
130 authname = authemail = authdate = None
132 descr_lines = [line.rstrip() for line in descr.split('\n')]
134 raise CmdException, "Empty patch description"
137 end = len(descr_lines)
139 # Parse the patch header
140 for pos in range(0, end):
141 if not descr_lines[pos]:
143 # check for a "From|Author:" line
144 if re.match('\s*(?:from|author):\s+', descr_lines[pos], re.I):
145 auth = re.findall('^.*?:\s+(.*)$', descr_lines[pos])[0]
146 authname, authemail = name_email(auth)
149 # check for a "Date:" line
150 if re.match('\s*date:\s+', descr_lines[pos], re.I):
151 authdate = re.findall('^.*?:\s+(.*)$', descr_lines[pos])[0]
157 subject = descr_lines[pos]
162 body = reduce(lambda x, y: x + '\n' + y, descr_lines[lasthdr:], '')
164 return (subject + body, authname, authemail, authdate)
166 def __parse_mail(msg):
167 """Parse the message object and return (description, authname,
168 authemail, authdate, diff)
170 def __decode_header(header):
171 """Decode a qp-encoded e-mail header as per rfc2047"""
173 words_enc = decode_header(header)
174 hobj = make_header(words_enc)
175 except Exception, ex:
176 raise CmdException, 'header decoding error: %s' % str(ex)
177 return unicode(hobj).encode('utf-8')
180 if msg.has_key('from'):
181 authname, authemail = name_email(__decode_header(msg['from']))
183 authname = authemail = None
185 # '\n\t' can be found on multi-line headers
186 descr = __decode_header(msg['subject']).replace('\n\t', ' ')
187 authdate = msg['date']
189 # remove the '[*PATCH*]' expression in the subject
191 descr = re.findall('^(\[.*?[Pp][Aa][Tt][Cc][Hh].*?\])?\s*(.*)$',
194 raise CmdException, 'Subject: line not found'
196 # the rest of the message
198 for part in msg.walk():
199 if part.get_content_type() == 'text/plain':
200 msg_text += part.get_payload(decode = True)
202 rem_descr, diff = __split_descr_diff(msg_text)
204 descr += '\n\n' + rem_descr
206 # parse the description for author information
207 descr, descr_authname, descr_authemail, descr_authdate = \
208 __parse_description(descr)
210 authname = descr_authname
212 authemail = descr_authemail
214 authdate = descr_authdate
216 return (descr, authname, authemail, authdate, diff)
218 def __parse_patch(fobj):
219 """Parse the input file and return (description, authname,
220 authemail, authdate, diff)
222 descr, diff = __split_descr_diff(fobj.read())
223 descr, authname, authemail, authdate = __parse_description(descr)
225 # we don't yet have an agreed place for the creation date.
227 return (descr, authname, authemail, authdate, diff)
229 def __create_patch(filename, message, author_name, author_email,
230 author_date, diff, options):
231 """Create a new patch on the stack
236 patch = os.path.basename(filename)
240 patch = __strip_patch_name(patch)
243 if options.ignore or options.replace:
244 unacceptable_name = lambda name: False
246 unacceptable_name = crt_series.patch_exists
247 patch = make_patch_name(message, unacceptable_name)
249 # fix possible invalid characters in the patch name
250 patch = re.sub('[^\w.]+', '-', patch).strip('-')
252 if options.ignore and patch in crt_series.get_applied():
253 out.info('Ignoring already applied patch "%s"' % patch)
255 if options.replace and patch in crt_series.get_unapplied():
256 crt_series.delete_patch(patch)
258 # refresh_patch() will invoke the editor in this case, with correct
263 committer_name = committer_email = None
266 options.authname, options.authemail = name_email(options.author)
268 # override the automatically parsed settings
270 author_name = options.authname
271 if options.authemail:
272 author_email = options.authemail
274 author_date = options.authdate
276 committer_name = options.commname
277 if options.commemail:
278 committer_email = options.commemail
280 crt_series.new_patch(patch, message = message, can_edit = False,
281 author_name = author_name,
282 author_email = author_email,
283 author_date = author_date,
284 committer_name = committer_name,
285 committer_email = committer_email)
288 out.warn('No diff found, creating empty patch')
290 out.start('Importing patch "%s"' % patch)
292 git.apply_patch(diff = diff, base = git_id(options.base))
294 git.apply_patch(diff = diff)
295 crt_series.refresh_patch(edit = options.edit,
296 show_patch = options.showpatch)
299 def __import_file(filename, options, patch = None):
300 """Import a patch from a file or standard input
309 msg = email.message_from_file(f)
310 except Exception, ex:
311 raise CmdException, 'error parsing the e-mail file: %s' % str(ex)
312 message, author_name, author_email, author_date, diff = \
315 message, author_name, author_email, author_date, diff = \
326 __create_patch(pname, message, author_name, author_email,
327 author_date, diff, options)
329 def __import_series(filename, options):
330 """Import a series of patches
332 applied = crt_series.get_applied()
336 patchdir = os.path.dirname(filename)
342 patch = re.sub('#.*$', '', line).strip()
345 patchfile = os.path.join(patchdir, patch)
346 patch = __replace_slashes_with_dashes(patch);
348 __import_file(patchfile, options, patch)
353 def __import_mbox(filename, options):
354 """Import a series from an mbox file
357 f = file(filename, 'rb')
359 f = StringIO(sys.stdin.read())
362 mbox = UnixMailbox(f, email.message_from_file)
363 except Exception, ex:
364 raise CmdException, 'error parsing the mbox file: %s' % str(ex)
367 message, author_name, author_email, author_date, diff = \
369 __create_patch(None, message, author_name, author_email,
370 author_date, diff, options)
374 def __import_url(url, options):
375 """Import a patch from a URL
381 parser.error('URL argument required')
383 patch = os.path.basename(urllib.unquote(url))
384 filename = os.path.join(tempfile.gettempdir(), patch)
385 urllib.urlretrieve(url, filename)
386 __import_file(filename, options)
388 def func(parser, options, args):
389 """Import a GNU diff file as a new patch
392 parser.error('incorrect number of arguments')
394 check_local_changes()
396 check_head_top_equal()
404 __import_series(filename, options)
406 __import_mbox(filename, options)
408 __import_url(filename, options)
410 __import_file(filename, options)