Implement an 'import' command
[stgit] / stgit / commands / imprt.py
1 __copyright__ = """
2 Copyright (C) 2005, Catalin Marinas <catalin.marinas@gmail.com>
3
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.
7
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.
12
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
16 """
17
18 import sys, os
19 from optparse import OptionParser, make_option
20
21 from stgit.commands.common import *
22 from stgit.utils import *
23 from stgit import stack, git
24
25
26 help = 'import a GNU diff file as a new patch'
27 usage = """%prog [options] [<file>]
28
29 Create a new patch and apply the given GNU diff file (or the standard
30 input). By default, the file name is used as the patch name but this
31 can be overriden with the '--name' option. The patch can either be a
32 normal file with the description at the top or it can have standard
33 mail format, the Subject, From and Date headers being used for
34 generating the patch information.
35
36 The patch description has to be separated from the data with a '---'
37 line. For a normal file, if no author information is given, the first
38 'Signed-off-by:' line is used."""
39
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('-a', '--author', metavar = '"NAME <EMAIL>"',
46 help = 'use "NAME <EMAIL>" as the author details'),
47 make_option('--authname',
48 help = 'use AUTHNAME as the author name'),
49 make_option('--authemail',
50 help = 'use AUTHEMAIL as the author e-mail'),
51 make_option('--authdate',
52 help = 'use AUTHDATE as the author date'),
53 make_option('--commname',
54 help = 'use COMMNAME as the committer name'),
55 make_option('--commemail',
56 help = 'use COMMEMAIL as the committer e-mail')]
57
58
59 def __parse_mail(filename = None):
60 """Parse the input file in a mail format and return (description,
61 authname, authemail, authdate)
62 """
63 if filename:
64 f = file(filename)
65 else:
66 f = sys.stdin
67
68 descr = authname = authemail = authdate = None
69
70 # parse the headers
71 for line in f:
72 line = line.strip()
73 if re.match('from:\s+', line, re.I):
74 auth = re.findall('^.*?:\s+(.*)$', line)[0]
75 authname, authemail = name_email(auth)
76 elif re.match('date:\s+', line, re.I):
77 authdate = re.findall('^.*?:\s+(.*)$', line)[0]
78 elif re.match('subject:\s+', line, re.I):
79 descr = re.findall('^.*?:\s+(.*)$', line)[0]
80 elif line == '':
81 # end of headers
82 break
83
84 # remove extra '[*PATCH]', 'name:' in the subject
85 if descr:
86 descr = re.findall('^(\[[^\s]*PATCH.*?\])?\s*([^\s]*:)?\s*(.*)$',
87 descr)[0][2]
88 descr += '\n\n'
89 else:
90 raise CmdException, 'Subject: line not found'
91
92 # the rest of the patch description
93 for line in f:
94 if re.match('----*\s*$', line) or re.match('diff -', line):
95 break
96 else:
97 descr += line
98 descr.rstrip()
99
100 if filename:
101 f.close()
102
103 return (descr, authname, authemail, authdate)
104
105 def __parse_patch(filename = None):
106 """Parse the input file and return (description, authname,
107 authemail, authdate)
108 """
109 if filename:
110 f = file(filename)
111 else:
112 f = sys.stdin
113
114 authname = authemail = authdate = None
115
116 descr = ''
117 for line in f:
118 # the first 'Signed-of-by:' is the author
119 if not authname and re.match('signed-off-by:\s+', line, re.I):
120 auth = re.findall('^.*?:\s+(.*)$', line)[0]
121 authname, authemail = name_email(auth)
122
123 if re.match('----*\s*$', line) or re.match('diff -', line):
124 break
125 else:
126 descr += line
127 descr.rstrip()
128
129 if descr == '':
130 descr = None
131
132 if filename:
133 f.close()
134
135 return (descr, authname, authemail, authdate)
136
137 def func(parser, options, args):
138 """Import a GNU diff file as a new patch
139 """
140 if len(args) > 1:
141 parser.error('incorrect number of arguments')
142
143 check_local_changes()
144 check_conflicts()
145 check_head_top_equal()
146
147 if len(args) == 1:
148 filename = args[0]
149 patch = os.path.basename(filename)
150 elif options.name:
151 filename = None
152 patch = options.name
153 else:
154 raise CmdException, 'Unkown patch name'
155
156 # the defaults
157 message = author_name = author_email = author_date = committer_name = \
158 committer_email = None
159
160 if options.author:
161 options.authname, options.authemail = name_email(options.author)
162
163 if options.mail:
164 message, author_name, author_email, author_date = \
165 __parse_mail(filename)
166 else:
167 message, author_name, author_email, author_date = \
168 __parse_patch(filename)
169
170 # override the automatically parsed settings
171 if options.authname:
172 author_name = options.authname
173 if options.authemail:
174 author_email = options.authemail
175 if options.authdate:
176 author_date = options.authdate
177 if options.commname:
178 committer_name = options.commname
179 if options.commemail:
180 committer_email = options.commemail
181
182 crt_series.new_patch(patch, message = message,
183 author_name = author_name,
184 author_email = author_email,
185 author_date = author_date,
186 committer_name = committer_name,
187 committer_email = committer_email)
188
189 print 'Importing patch %s...' % patch,
190 sys.stdout.flush()
191
192 git.apply_patch(filename)
193 crt_series.refresh_patch()
194
195 print 'done'
196 print_crt_patch()