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)$', '\g<1>', stripped)
102 def __replace_slashes_with_dashes(name):
103 stripped = name.replace('/', '-')
107 def __split_descr_diff(string):
108 """Return the description and the diff from the given string
113 for line in string.split('\n'):
115 if not __end_descr(line):
122 return (descr.rstrip(), diff)
124 def __parse_description(descr):
125 """Parse the patch description and return the new description and
126 author information (if any).
129 authname = authemail = authdate = None
131 descr_lines = [line.rstrip() for line in descr.split('\n')]
133 raise CmdException, "Empty patch description"
136 end = len(descr_lines)
138 # Parse the patch header
139 for pos in range(0, end):
140 if not descr_lines[pos]:
142 # check for a "From|Author:" line
143 if re.match('\s*(?:from|author):\s+', descr_lines[pos], re.I):
144 auth = re.findall('^.*?:\s+(.*)$', descr_lines[pos])[0]
145 authname, authemail = name_email(auth)
148 # check for a "Date:" line
149 if re.match('\s*date:\s+', descr_lines[pos], re.I):
150 authdate = re.findall('^.*?:\s+(.*)$', descr_lines[pos])[0]
156 subject = descr_lines[pos]
161 body = reduce(lambda x, y: x + '\n' + y, descr_lines[lasthdr:], '')
163 return (subject + body, authname, authemail, authdate)
165 def __parse_mail(msg):
166 """Parse the message object and return (description, authname,
167 authemail, authdate, diff)
169 def __decode_header(header):
170 """Decode a qp-encoded e-mail header as per rfc2047"""
172 words_enc = decode_header(header)
173 hobj = make_header(words_enc)
174 except Exception, ex:
175 raise CmdException, 'header decoding error: %s' % str(ex)
176 return unicode(hobj).encode('utf-8')
179 if msg.has_key('from'):
180 authname, authemail = name_email(__decode_header(msg['from']))
182 authname = authemail = None
184 # '\n\t' can be found on multi-line headers
185 descr = __decode_header(msg['subject']).replace('\n\t', ' ')
186 authdate = msg['date']
188 # remove the '[*PATCH*]' expression in the subject
190 descr = re.findall('^(\[.*?[Pp][Aa][Tt][Cc][Hh].*?\])?\s*(.*)$',
193 raise CmdException, 'Subject: line not found'
195 # the rest of the message
197 for part in msg.walk():
198 if part.get_content_type() == 'text/plain':
199 msg_text += part.get_payload(decode = True)
201 rem_descr, diff = __split_descr_diff(msg_text)
203 descr += '\n\n' + rem_descr
205 # parse the description for author information
206 descr, descr_authname, descr_authemail, descr_authdate = \
207 __parse_description(descr)
209 authname = descr_authname
211 authemail = descr_authemail
213 authdate = descr_authdate
215 return (descr, authname, authemail, authdate, diff)
217 def __parse_patch(fobj):
218 """Parse the input file and return (description, authname,
219 authemail, authdate, diff)
221 descr, diff = __split_descr_diff(fobj.read())
222 descr, authname, authemail, authdate = __parse_description(descr)
224 # we don't yet have an agreed place for the creation date.
226 return (descr, authname, authemail, authdate, diff)
228 def __create_patch(filename, message, author_name, author_email,
229 author_date, diff, options):
230 """Create a new patch on the stack
235 patch = os.path.basename(filename)
239 patch = __strip_patch_name(patch)
242 if options.ignore or options.replace:
243 unacceptable_name = lambda name: False
245 unacceptable_name = crt_series.patch_exists
246 patch = make_patch_name(message, unacceptable_name)
248 # fix possible invalid characters in the patch name
249 patch = re.sub('[^\w.]+', '-', patch).strip('-')
251 if options.ignore and patch in crt_series.get_applied():
252 out.info('Ignoring already applied patch "%s"' % patch)
254 if options.replace and patch in crt_series.get_unapplied():
255 crt_series.delete_patch(patch)
257 # refresh_patch() will invoke the editor in this case, with correct
262 committer_name = committer_email = None
265 options.authname, options.authemail = name_email(options.author)
267 # override the automatically parsed settings
269 author_name = options.authname
270 if options.authemail:
271 author_email = options.authemail
273 author_date = options.authdate
275 committer_name = options.commname
276 if options.commemail:
277 committer_email = options.commemail
279 crt_series.new_patch(patch, message = message, can_edit = False,
280 author_name = author_name,
281 author_email = author_email,
282 author_date = author_date,
283 committer_name = committer_name,
284 committer_email = committer_email)
287 out.warn('No diff found, creating empty patch')
289 out.start('Importing patch "%s"' % patch)
291 git.apply_patch(diff = diff, base = git_id(options.base))
293 git.apply_patch(diff = diff)
294 crt_series.refresh_patch(edit = options.edit,
295 show_patch = options.showpatch)
298 def __import_file(filename, options, patch = None):
299 """Import a patch from a file or standard input
308 msg = email.message_from_file(f)
309 except Exception, ex:
310 raise CmdException, 'error parsing the e-mail file: %s' % str(ex)
311 message, author_name, author_email, author_date, diff = \
314 message, author_name, author_email, author_date, diff = \
325 __create_patch(pname, message, author_name, author_email,
326 author_date, diff, options)
328 def __import_series(filename, options):
329 """Import a series of patches
331 applied = crt_series.get_applied()
335 patchdir = os.path.dirname(filename)
341 patch = re.sub('#.*$', '', line).strip()
344 patchfile = os.path.join(patchdir, patch)
345 patch = __replace_slashes_with_dashes(patch);
347 __import_file(patchfile, options, patch)
352 def __import_mbox(filename, options):
353 """Import a series from an mbox file
356 f = file(filename, 'rb')
358 f = StringIO(sys.stdin.read())
361 mbox = UnixMailbox(f, email.message_from_file)
362 except Exception, ex:
363 raise CmdException, 'error parsing the mbox file: %s' % str(ex)
366 message, author_name, author_email, author_date, diff = \
368 __create_patch(None, message, author_name, author_email,
369 author_date, diff, options)
373 def __import_url(url, options):
374 """Import a patch from a URL
380 parser.error('URL argument required')
382 patch = os.path.basename(urllib.unquote(url))
383 filename = os.path.join(tempfile.gettempdir(), patch)
384 urllib.urlretrieve(url, filename)
385 __import_file(filename, options)
387 def func(parser, options, args):
388 """Import a GNU diff file as a new patch
391 parser.error('incorrect number of arguments')
393 check_local_changes()
395 check_head_top_equal()
403 __import_series(filename, options)
405 __import_mbox(filename, options)
407 __import_url(filename, options)
409 __import_file(filename, options)