Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/patch.py @ 2873:4ec58b157265

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refactor text diff/patch code. rename commands.dodiff to patch.diff. rename commands.doexport to patch.export. move some functions from commands to new mercurial.cmdutil module. turn list of diff options into mdiff.diffopts class. patch.diff and patch.export now has clean api for call from 3rd party python code.
author Vadim Gelfer <vadim.gelfer@gmail.com>
date Sat, 12 Aug 2006 16:13:27 -0700
parents 9a2a481ec3ea
children 3d6efcbbd1c9
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1 # patch.py - patch file parsing routines
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2 #
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3 # Copyright 2006 Brendan Cully <brendan@kublai.com>
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4 #
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5 # This software may be used and distributed according to the terms
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6 # of the GNU General Public License, incorporated herein by reference.
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7
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8 from demandload import demandload
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9 from i18n import gettext as _
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10 from node import *
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11 demandload(globals(), "cmdutil mdiff util")
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12 demandload(globals(), "cStringIO email.Parser os re shutil sys tempfile")
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13
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14 def extract(ui, fileobj):
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15 '''extract patch from data read from fileobj.
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16
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17 patch can be normal patch or contained in email message.
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18
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19 return tuple (filename, message, user, date). any item in returned
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20 tuple can be None. if filename is None, fileobj did not contain
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21 patch. caller must unlink filename when done.'''
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22
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23 # attempt to detect the start of a patch
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24 # (this heuristic is borrowed from quilt)
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25 diffre = re.compile(r'^(?:Index:[ \t]|diff[ \t]|RCS file: |' +
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26 'retrieving revision [0-9]+(\.[0-9]+)*$|' +
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27 '(---|\*\*\*)[ \t])', re.MULTILINE)
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28
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29 fd, tmpname = tempfile.mkstemp(prefix='hg-patch-')
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30 tmpfp = os.fdopen(fd, 'w')
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31 try:
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32 hgpatch = False
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33
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34 msg = email.Parser.Parser().parse(fileobj)
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35
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36 message = msg['Subject']
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37 user = msg['From']
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38 # should try to parse msg['Date']
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39 date = None
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40
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41 if message:
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42 message = message.replace('\n\t', ' ')
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43 ui.debug('Subject: %s\n' % message)
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44 if user:
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45 ui.debug('From: %s\n' % user)
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46 diffs_seen = 0
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47 ok_types = ('text/plain', 'text/x-diff', 'text/x-patch')
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48
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49 for part in msg.walk():
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50 content_type = part.get_content_type()
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51 ui.debug('Content-Type: %s\n' % content_type)
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52 if content_type not in ok_types:
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53 continue
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54 payload = part.get_payload(decode=True)
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55 m = diffre.search(payload)
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56 if m:
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57 ui.debug(_('found patch at byte %d\n') % m.start(0))
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58 diffs_seen += 1
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59 cfp = cStringIO.StringIO()
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60 if message:
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61 cfp.write(message)
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62 cfp.write('\n')
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63 for line in payload[:m.start(0)].splitlines():
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64 if line.startswith('# HG changeset patch'):
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65 ui.debug(_('patch generated by hg export\n'))
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66 hgpatch = True
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67 # drop earlier commit message content
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68 cfp.seek(0)
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69 cfp.truncate()
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70 elif hgpatch:
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71 if line.startswith('# User '):
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72 user = line[7:]
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73 ui.debug('From: %s\n' % user)
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74 elif line.startswith("# Date "):
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75 date = line[7:]
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76 if not line.startswith('# '):
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77 cfp.write(line)
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78 cfp.write('\n')
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79 message = cfp.getvalue()
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80 if tmpfp:
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81 tmpfp.write(payload)
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82 if not payload.endswith('\n'):
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83 tmpfp.write('\n')
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84 elif not diffs_seen and message and content_type == 'text/plain':
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85 message += '\n' + payload
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86 except:
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87 tmpfp.close()
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88 os.unlink(tmpname)
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89 raise
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90
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91 tmpfp.close()
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92 if not diffs_seen:
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93 os.unlink(tmpname)
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94 return None, message, user, date
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95 return tmpname, message, user, date
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96
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97 def readgitpatch(patchname):
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98 """extract git-style metadata about patches from <patchname>"""
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99 class gitpatch:
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100 "op is one of ADD, DELETE, RENAME, MODIFY or COPY"
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101 def __init__(self, path):
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102 self.path = path
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103 self.oldpath = None
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104 self.mode = None
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105 self.op = 'MODIFY'
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106 self.copymod = False
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107 self.lineno = 0
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108
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109 # Filter patch for git information
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110 gitre = re.compile('diff --git a/(.*) b/(.*)')
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111 pf = file(patchname)
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112 gp = None
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113 gitpatches = []
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114 # Can have a git patch with only metadata, causing patch to complain
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115 dopatch = False
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116
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117 lineno = 0
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118 for line in pf:
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119 lineno += 1
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120 if line.startswith('diff --git'):
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121 m = gitre.match(line)
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122 if m:
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123 if gp:
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124 gitpatches.append(gp)
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125 src, dst = m.group(1,2)
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126 gp = gitpatch(dst)
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127 gp.lineno = lineno
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diff changeset
128 elif gp:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
129 if line.startswith('--- '):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
130 if gp.op in ('COPY', 'RENAME'):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
131 gp.copymod = True
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
132 dopatch = 'filter'
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
133 gitpatches.append(gp)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
134 gp = None
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
135 if not dopatch:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
136 dopatch = True
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
137 continue
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
138 if line.startswith('rename from '):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
139 gp.op = 'RENAME'
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
140 gp.oldpath = line[12:].rstrip()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
141 elif line.startswith('rename to '):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
142 gp.path = line[10:].rstrip()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
143 elif line.startswith('copy from '):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
144 gp.op = 'COPY'
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
145 gp.oldpath = line[10:].rstrip()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
146 elif line.startswith('copy to '):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
147 gp.path = line[8:].rstrip()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
148 elif line.startswith('deleted file'):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
149 gp.op = 'DELETE'
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
150 elif line.startswith('new file mode '):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
151 gp.op = 'ADD'
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
152 gp.mode = int(line.rstrip()[-3:], 8)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
153 elif line.startswith('new mode '):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
154 gp.mode = int(line.rstrip()[-3:], 8)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
155 if gp:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
156 gitpatches.append(gp)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
157
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
158 if not gitpatches:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
159 dopatch = True
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
160
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
161 return (dopatch, gitpatches)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
162
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
163 def dogitpatch(patchname, gitpatches):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
164 """Preprocess git patch so that vanilla patch can handle it"""
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
165 pf = file(patchname)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
166 pfline = 1
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
167
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
168 fd, patchname = tempfile.mkstemp(prefix='hg-patch-')
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
169 tmpfp = os.fdopen(fd, 'w')
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
170
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
171 try:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
172 for i in range(len(gitpatches)):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
173 p = gitpatches[i]
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
174 if not p.copymod:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
175 continue
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
176
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
177 if os.path.exists(p.path):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
178 raise util.Abort(_("cannot create %s: destination already exists") %
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
179 p.path)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
180
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
181 (src, dst) = [os.path.join(os.getcwd(), n)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
182 for n in (p.oldpath, p.path)]
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
183
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
184 targetdir = os.path.dirname(dst)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
185 if not os.path.isdir(targetdir):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
186 os.makedirs(targetdir)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
187 try:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
188 shutil.copyfile(src, dst)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
189 shutil.copymode(src, dst)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
190 except shutil.Error, inst:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
191 raise util.Abort(str(inst))
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
192
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
193 # rewrite patch hunk
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
194 while pfline < p.lineno:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
195 tmpfp.write(pf.readline())
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
196 pfline += 1
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
197 tmpfp.write('diff --git a/%s b/%s\n' % (p.path, p.path))
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
198 line = pf.readline()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
199 pfline += 1
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
200 while not line.startswith('--- a/'):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
201 tmpfp.write(line)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
202 line = pf.readline()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
203 pfline += 1
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
204 tmpfp.write('--- a/%s\n' % p.path)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
205
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
206 line = pf.readline()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
207 while line:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
208 tmpfp.write(line)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
209 line = pf.readline()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
210 except:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
211 tmpfp.close()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
212 os.unlink(patchname)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
213 raise
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
214
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
215 tmpfp.close()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
216 return patchname
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
217
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
218 def patch(strip, patchname, ui, cwd=None):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
219 """apply the patch <patchname> to the working directory.
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
220 a list of patched files is returned"""
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
221
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
222 (dopatch, gitpatches) = readgitpatch(patchname)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
223
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
224 files = {}
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
225 if dopatch:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
226 if dopatch == 'filter':
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
227 patchname = dogitpatch(patchname, gitpatches)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
228 patcher = util.find_in_path('gpatch', os.environ.get('PATH', ''), 'patch')
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
229 args = []
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
230 if cwd:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
231 args.append('-d %s' % util.shellquote(cwd))
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
232 fp = os.popen('%s %s -p%d < %s' % (patcher, ' '.join(args), strip,
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
233 util.shellquote(patchname)))
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
234
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
235 if dopatch == 'filter':
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
236 False and os.unlink(patchname)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
237
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
238 for line in fp:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
239 line = line.rstrip()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
240 ui.status("%s\n" % line)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
241 if line.startswith('patching file '):
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
242 pf = util.parse_patch_output(line)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
243 files.setdefault(pf, (None, None))
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
244 code = fp.close()
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
245 if code:
2867
9a2a481ec3ea util: qualify name properly.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2865
diff changeset
246 raise util.Abort(_("patch command failed: %s") %
9a2a481ec3ea util: qualify name properly.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2865
diff changeset
247 util.explain_exit(code)[0])
2860
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
248
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
249 for gp in gitpatches:
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
250 files[gp.path] = (gp.op, gp)
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
251
0f08f2c042ec Move patch-related code into its own module.
Brendan Cully <brendan@kublai.com>
parents:
diff changeset
252 return files
2873
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
253
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
254 def diff(repo, node1=None, node2=None, files=None, match=util.always,
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
255 fp=None, changes=None, opts=None):
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
256 '''print diff of changes to files between two nodes, or node and
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
257 working directory.
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
258
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
259 if node1 is None, use first dirstate parent instead.
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
260 if node2 is None, compare node1 with working directory.'''
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
261
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
262 if opts is None:
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
263 opts = mdiff.defaultopts
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
264 if fp is None:
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
265 fp = repo.ui
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
266
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
267 if not node1:
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
268 node1 = repo.dirstate.parents()[0]
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
269 # reading the data for node1 early allows it to play nicely
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
270 # with repo.changes and the revlog cache.
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
271 change = repo.changelog.read(node1)
4ec58b157265 refactor text diff/patch code.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
272 mmap = repo.manifest.read(change[0])
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273 date1 = util.datestr(change[2])
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274
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275 if not changes:
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276 changes = repo.changes(node1, node2, files, match=match)
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277 modified, added, removed, deleted, unknown = changes
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Vadim Gelfer <vadim.gelfer@gmail.com>
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278 if files:
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279 def filterfiles(filters):
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280 l = [x for x in files if x in filters]
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281
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282 for t in filters:
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Vadim Gelfer <vadim.gelfer@gmail.com>
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283 if t and t[-1] != "/":
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Vadim Gelfer <vadim.gelfer@gmail.com>
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284 t += "/"
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Vadim Gelfer <vadim.gelfer@gmail.com>
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285 l += [x for x in files if x.startswith(t)]
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286 return l
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287
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288 modified, added, removed = map(lambda x: filterfiles(x),
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Vadim Gelfer <vadim.gelfer@gmail.com>
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diff changeset
289 (modified, added, removed))
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290
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291 if not modified and not added and not removed:
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Vadim Gelfer <vadim.gelfer@gmail.com>
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292 return
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293
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294 if node2:
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295 change = repo.changelog.read(node2)
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parents: 2867
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296 mmap2 = repo.manifest.read(change[0])
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297 _date2 = util.datestr(change[2])
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298 def date2(f):
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299 return _date2
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300 def read(f):
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301 return repo.file(f).read(mmap2[f])
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302 else:
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Vadim Gelfer <vadim.gelfer@gmail.com>
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303 tz = util.makedate()[1]
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
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304 _date2 = util.datestr()
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
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305 def date2(f):
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Vadim Gelfer <vadim.gelfer@gmail.com>
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306 try:
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307 return util.datestr((os.lstat(repo.wjoin(f)).st_mtime, tz))
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Vadim Gelfer <vadim.gelfer@gmail.com>
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308 except OSError, err:
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309 if err.errno != errno.ENOENT: raise
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310 return _date2
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311 def read(f):
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Vadim Gelfer <vadim.gelfer@gmail.com>
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312 return repo.wread(f)
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diff changeset
313
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314 if repo.ui.quiet:
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Vadim Gelfer <vadim.gelfer@gmail.com>
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315 r = None
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Vadim Gelfer <vadim.gelfer@gmail.com>
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316 else:
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
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317 hexfunc = repo.ui.verbose and hex or short
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
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318 r = [hexfunc(node) for node in [node1, node2] if node]
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diff changeset
319
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320 all = modified + added + removed
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321 all.sort()
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diff changeset
322 for f in all:
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
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323 to = None
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Vadim Gelfer <vadim.gelfer@gmail.com>
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324 tn = None
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
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325 if f in mmap:
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
326 to = repo.file(f).read(mmap[f])
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
327 if f not in removed:
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328 tn = read(f)
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
329 fp.write(mdiff.unidiff(to, date1, tn, date2(f), f, r, opts=opts))
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parents: 2867
diff changeset
330
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parents: 2867
diff changeset
331 def export(repo, revs, template='hg-%h.patch', fp=None, switch_parent=False,
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
332 opts=None):
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333 '''export changesets as hg patches.'''
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diff changeset
334
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parents: 2867
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335 total = len(revs)
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
336 revwidth = max(map(len, revs))
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
337
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parents: 2867
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338 def single(node, seqno, fp):
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
339 parents = [p for p in repo.changelog.parents(node) if p != nullid]
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
340 if switch_parent:
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
341 parents.reverse()
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
342 prev = (parents and parents[0]) or nullid
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
343 change = repo.changelog.read(node)
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
344
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
345 if not fp:
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
346 fp = cmdutil.make_file(repo, template, node, total=total,
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
347 seqno=seqno, revwidth=revwidth)
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
348 if fp not in (sys.stdout, repo.ui):
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
349 repo.ui.note("%s\n" % fp.name)
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
350
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
351 fp.write("# HG changeset patch\n")
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
352 fp.write("# User %s\n" % change[1])
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
353 fp.write("# Date %d %d\n" % change[2])
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
354 fp.write("# Node ID %s\n" % hex(node))
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
355 fp.write("# Parent %s\n" % hex(prev))
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
356 if len(parents) > 1:
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
357 fp.write("# Parent %s\n" % hex(parents[1]))
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
358 fp.write(change[4].rstrip())
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
359 fp.write("\n\n")
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
360
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
361 diff(repo, prev, node, fp=fp, opts=opts)
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
362 if fp not in (sys.stdout, repo.ui):
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
363 fp.close()
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
364
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
365 for seqno, cset in enumerate(revs):
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Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2867
diff changeset
366 single(cset, seqno, fp)