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
19 from email.Header import decode_header, make_header
20 from optparse import OptionParser, make_option
22 from stgit.commands.common import *
23 from stgit.utils import *
24 from stgit import stack, git
27 help = 'import a GNU diff file as a new patch'
28 usage = """%prog [options] [<file>]
30 Create a new patch and apply the given GNU diff file (or the standard
31 input). By default, the file name is used as the patch name but this
32 can be overridden with the '--name' option. The patch can either be a
33 normal file with the description at the top or it can have standard
34 mail format, the Subject, From and Date headers being used for
35 generating the patch information.
37 The patch description has to be separated from the data with a '---'
40 options = [make_option('-m', '--mail',
41 help = 'import the patch from a standard e-mail file',
42 action = 'store_true'),
43 make_option('-n', '--name',
44 help = 'use NAME as the patch name'),
45 make_option('-t', '--strip',
46 help = 'strip numbering and extension from patch name',
47 action = 'store_true'),
48 make_option('-s', '--series',
49 help = 'import a series of patches',
50 action = 'store_true'),
51 make_option('-i', '--ignore',
52 help = 'ignore the applied patches in the series',
53 action = 'store_true'),
54 make_option('--replace',
55 help = 'replace the unapplied patches in the series',
56 action = 'store_true'),
57 make_option('-b', '--base',
58 help = 'use BASE instead of HEAD for file importing'),
59 make_option('-e', '--edit',
60 help = 'invoke an editor for the patch description',
61 action = 'store_true'),
62 make_option('-p', '--showpatch',
63 help = 'show the patch content in the editor buffer',
64 action = 'store_true'),
65 make_option('-a', '--author', metavar = '"NAME <EMAIL>"',
66 help = 'use "NAME <EMAIL>" as the author details'),
67 make_option('--authname',
68 help = 'use AUTHNAME as the author name'),
69 make_option('--authemail',
70 help = 'use AUTHEMAIL as the author e-mail'),
71 make_option('--authdate',
72 help = 'use AUTHDATE as the author date'),
73 make_option('--commname',
74 help = 'use COMMNAME as the committer name'),
75 make_option('--commemail',
76 help = 'use COMMEMAIL as the committer e-mail')]
79 def __end_descr(line):
80 return re.match('---\s*$', line) or re.match('diff -', line) or \
81 re.match('Index: ', line)
83 def __strip_patch_name(name):
84 stripped = re.sub('^[0-9]+-(.*)$', '\g<1>', name)
85 stripped = re.sub('^(.*)\.(diff|patch)$', '\g<1>', stripped)
89 def __replace_slashes_with_dashes(name):
90 stripped = name.replace('/', '-')
94 def __parse_description(descr):
95 """Parse the patch description and return the new description and
96 author information (if any).
99 authname = authemail = authdate = None
101 descr_lines = [line.rstrip() for line in descr.split('\n')]
103 raise CmdException, "Empty patch description"
106 end = len(descr_lines)
108 # Parse the patch header
109 for pos in range(0, end):
110 if not descr_lines[pos]:
112 # check for a "From|Author:" line
113 if re.match('\s*(?:from|author):\s+', descr_lines[pos], re.I):
114 auth = re.findall('^.*?:\s+(.*)$', descr_lines[pos])[0]
115 authname, authemail = name_email(auth)
118 # check for a "Date:" line
119 if re.match('\s*date:\s+', descr_lines[pos], re.I):
120 authdate = re.findall('^.*?:\s+(.*)$', descr_lines[pos])[0]
126 subject = descr_lines[pos]
131 body = reduce(lambda x, y: x + '\n' + y, descr_lines[lasthdr:], '')
133 return (subject + body, authname, authemail, authdate)
135 def __parse_mail(filename = None):
136 """Parse the input file in a mail format and return (description,
137 authname, authemail, authdate)
139 def __decode_header(header):
140 """Decode a qp-encoded e-mail header as per rfc2047"""
142 words_enc = decode_header(header)
143 hobj = make_header(words_enc)
144 except Exception, ex:
145 raise CmdException, 'header decoding error: %s' % str(ex)
146 return unicode(hobj).encode('utf-8')
153 descr = authname = authemail = authdate = None
161 if re.match('from:\s+', line, re.I):
162 auth = __decode_header(re.findall('^.*?:\s+(.*)$', line)[0])
163 authname, authemail = name_email(auth)
164 elif re.match('date:\s+', line, re.I):
165 authdate = re.findall('^.*?:\s+(.*)$', line)[0]
166 elif re.match('subject:\s+', line, re.I):
167 descr = __decode_header(re.findall('^.*?:\s+(.*)$', line)[0])
172 # remove the '[*PATCH*]' expression in the subject
174 descr = re.findall('^(\[[^\s]*[Pp][Aa][Tt][Cc][Hh].*?\])?\s*(.*)$',
178 raise CmdException, 'Subject: line not found'
180 # the rest of the patch description
185 if __end_descr(line):
194 # parse the description for author information
195 descr, descr_authname, descr_authemail, descr_authdate = __parse_description(descr)
197 authname = descr_authname
199 authemail = descr_authemail
201 authdate = descr_authdate
203 return (descr, authname, authemail, authdate)
205 def __parse_patch(filename = None):
206 """Parse the input file and return (description, authname,
220 if __end_descr(line):
229 descr, authname, authemail, authdate = __parse_description(descr)
231 # we don't yet have an agreed place for the creation date.
233 return (descr, authname, authemail, authdate)
235 def __import_patch(patch, filename, options):
236 """Import a patch from a file or standard input
239 message = author_name = author_email = author_date = committer_name = \
240 committer_email = None
243 options.authname, options.authemail = name_email(options.author)
246 message, author_name, author_email, author_date = \
247 __parse_mail(filename)
249 message, author_name, author_email, author_date = \
250 __parse_patch(filename)
253 patch = make_patch_name(message, crt_series.patch_exists)
255 # refresh_patch() will invoke the editor in this case, with correct
260 # override the automatically parsed settings
262 author_name = options.authname
263 if options.authemail:
264 author_email = options.authemail
266 author_date = options.authdate
268 committer_name = options.commname
269 if options.commemail:
270 committer_email = options.commemail
272 if options.replace and patch in crt_series.get_unapplied():
273 crt_series.delete_patch(patch)
275 crt_series.new_patch(patch, message = message, can_edit = False,
276 author_name = author_name,
277 author_email = author_email,
278 author_date = author_date,
279 committer_name = committer_name,
280 committer_email = committer_email)
282 print 'Importing patch "%s"...' % patch,
286 git.apply_patch(filename, git_id(options.base))
288 git.apply_patch(filename)
290 crt_series.refresh_patch(edit = options.edit,
291 show_patch = options.showpatch)
295 def __import_series(filename, options):
296 """Import a series of patches
298 applied = crt_series.get_applied()
302 patchdir = os.path.dirname(filename)
308 patch = re.sub('#.*$', '', line).strip()
311 patchfile = os.path.join(patchdir, patch)
314 patch = __strip_patch_name(patch)
315 patch = __replace_slashes_with_dashes(patch);
316 if options.ignore and patch in applied:
317 print 'Ignoring already applied patch "%s"' % patch
320 __import_patch(patch, patchfile, options)
322 def func(parser, options, args):
323 """Import a GNU diff file as a new patch
326 parser.error('incorrect number of arguments')
328 check_local_changes()
330 check_head_top_equal()
338 __import_series(filename, options)
343 patch = os.path.basename(filename)
347 patch = __strip_patch_name(patch)
349 __import_patch(patch, filename, options)