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')
91 ] + make_sign_options()
94 def __end_descr(line):
95 return re.match('---\s*$', line) or re.match('diff -', line) or \
96 re.match('Index: ', line)
98 def __strip_patch_name(name):
99 stripped = re.sub('^[0-9]+-(.*)$', '\g<1>', name)
100 stripped = re.sub('^(.*)\.(diff|patch)$', '\g<1>', stripped)
104 def __replace_slashes_with_dashes(name):
105 stripped = name.replace('/', '-')
109 def __split_descr_diff(string):
110 """Return the description and the diff from the given string
115 for line in string.split('\n'):
117 if not __end_descr(line):
124 return (descr.rstrip(), diff)
126 def __parse_description(descr):
127 """Parse the patch description and return the new description and
128 author information (if any).
131 authname = authemail = authdate = None
133 descr_lines = [line.rstrip() for line in descr.split('\n')]
135 raise CmdException, "Empty patch description"
138 end = len(descr_lines)
140 # Parse the patch header
141 for pos in range(0, end):
142 if not descr_lines[pos]:
144 # check for a "From|Author:" line
145 if re.match('\s*(?:from|author):\s+', descr_lines[pos], re.I):
146 auth = re.findall('^.*?:\s+(.*)$', descr_lines[pos])[0]
147 authname, authemail = name_email(auth)
150 # check for a "Date:" line
151 if re.match('\s*date:\s+', descr_lines[pos], re.I):
152 authdate = re.findall('^.*?:\s+(.*)$', descr_lines[pos])[0]
158 subject = descr_lines[pos]
163 body = reduce(lambda x, y: x + '\n' + y, descr_lines[lasthdr:], '')
165 return (subject + body, authname, authemail, authdate)
167 def __parse_mail(msg):
168 """Parse the message object and return (description, authname,
169 authemail, authdate, diff)
171 def __decode_header(header):
172 """Decode a qp-encoded e-mail header as per rfc2047"""
174 words_enc = decode_header(header)
175 hobj = make_header(words_enc)
176 except Exception, ex:
177 raise CmdException, 'header decoding error: %s' % str(ex)
178 return unicode(hobj).encode('utf-8')
181 if msg.has_key('from'):
182 authname, authemail = name_email(__decode_header(msg['from']))
184 authname = authemail = None
186 # '\n\t' can be found on multi-line headers
187 descr = __decode_header(msg['subject']).replace('\n\t', ' ')
188 authdate = msg['date']
190 # remove the '[*PATCH*]' expression in the subject
192 descr = re.findall('^(\[.*?[Pp][Aa][Tt][Cc][Hh].*?\])?\s*(.*)$',
195 raise CmdException, 'Subject: line not found'
197 # the rest of the message
199 for part in msg.walk():
200 if part.get_content_type() == 'text/plain':
201 msg_text += part.get_payload(decode = True)
203 rem_descr, diff = __split_descr_diff(msg_text)
205 descr += '\n\n' + rem_descr
207 # parse the description for author information
208 descr, descr_authname, descr_authemail, descr_authdate = \
209 __parse_description(descr)
211 authname = descr_authname
213 authemail = descr_authemail
215 authdate = descr_authdate
217 return (descr, authname, authemail, authdate, diff)
219 def __parse_patch(fobj):
220 """Parse the input file and return (description, authname,
221 authemail, authdate, diff)
223 descr, diff = __split_descr_diff(fobj.read())
224 descr, authname, authemail, authdate = __parse_description(descr)
226 # we don't yet have an agreed place for the creation date.
228 return (descr, authname, authemail, authdate, diff)
230 def __create_patch(filename, message, author_name, author_email,
231 author_date, diff, options):
232 """Create a new patch on the stack
237 patch = os.path.basename(filename)
241 patch = __strip_patch_name(patch)
244 if options.ignore or options.replace:
245 unacceptable_name = lambda name: False
247 unacceptable_name = crt_series.patch_exists
248 patch = make_patch_name(message, unacceptable_name)
250 # fix possible invalid characters in the patch name
251 patch = re.sub('[^\w.]+', '-', patch).strip('-')
253 if options.ignore and patch in crt_series.get_applied():
254 out.info('Ignoring already applied patch "%s"' % patch)
256 if options.replace and patch in crt_series.get_unapplied():
257 crt_series.delete_patch(patch)
259 # refresh_patch() will invoke the editor in this case, with correct
264 committer_name = committer_email = None
267 options.authname, options.authemail = name_email(options.author)
269 # override the automatically parsed settings
271 author_name = options.authname
272 if options.authemail:
273 author_email = options.authemail
275 author_date = options.authdate
277 committer_name = options.commname
278 if options.commemail:
279 committer_email = options.commemail
281 crt_series.new_patch(patch, message = message, can_edit = False,
282 author_name = author_name,
283 author_email = author_email,
284 author_date = author_date,
285 committer_name = committer_name,
286 committer_email = committer_email)
289 out.warn('No diff found, creating empty patch')
291 out.start('Importing patch "%s"' % patch)
293 git.apply_patch(diff = diff, base = git_id(options.base))
295 git.apply_patch(diff = diff)
296 crt_series.refresh_patch(edit = options.edit,
297 show_patch = options.showpatch,
298 sign_str = options.sign_str)
301 def __import_file(filename, options, patch = None):
302 """Import a patch from a file or standard input
311 msg = email.message_from_file(f)
312 except Exception, ex:
313 raise CmdException, 'error parsing the e-mail file: %s' % str(ex)
314 message, author_name, author_email, author_date, diff = \
317 message, author_name, author_email, author_date, diff = \
328 __create_patch(pname, message, author_name, author_email,
329 author_date, diff, options)
331 def __import_series(filename, options):
332 """Import a series of patches
334 applied = crt_series.get_applied()
338 patchdir = os.path.dirname(filename)
344 patch = re.sub('#.*$', '', line).strip()
347 patchfile = os.path.join(patchdir, patch)
348 patch = __replace_slashes_with_dashes(patch);
350 __import_file(patchfile, options, patch)
355 def __import_mbox(filename, options):
356 """Import a series from an mbox file
359 f = file(filename, 'rb')
361 f = StringIO(sys.stdin.read())
364 mbox = UnixMailbox(f, email.message_from_file)
365 except Exception, ex:
366 raise CmdException, 'error parsing the mbox file: %s' % str(ex)
369 message, author_name, author_email, author_date, diff = \
371 __create_patch(None, message, author_name, author_email,
372 author_date, diff, options)
376 def __import_url(url, options):
377 """Import a patch from a URL
383 parser.error('URL argument required')
385 patch = os.path.basename(urllib.unquote(url))
386 filename = os.path.join(tempfile.gettempdir(), patch)
387 urllib.urlretrieve(url, filename)
388 __import_file(filename, options)
390 def func(parser, options, args):
391 """Import a GNU diff file as a new patch
394 parser.error('incorrect number of arguments')
396 check_local_changes()
398 check_head_top_equal()
406 __import_series(filename, options)
408 __import_mbox(filename, options)
410 __import_url(filename, options)
412 __import_file(filename, options)