Mercurial > hg
annotate hgext/record.py @ 7015:6651de7176a0
i18n, record: improve use of translated docstring in prompts
The old code would confuse the user if the translator actually
translated the letters "Ynsfdaq?" in the prompt, since the user input
would be matched against the English string, despite the translation.
The new code fixes this, but the translator must be 100% consistent.
Also, the translation of single character strings is problematic if
they are used differently by different pieces of code.
author | Martin Geisler <mg@daimi.au.dk> |
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date | Tue, 09 Sep 2008 21:32:39 +0200 |
parents | 98abbcf9fbdf |
children | b6f5490effbf |
rev | line source |
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1 # record.py |
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2 # |
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3 # Copyright 2007 Bryan O'Sullivan <bos@serpentine.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of |
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6 # the GNU General Public License, incorporated herein by reference. |
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7 |
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hg qrecord -- like record, but for mq
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8 '''interactive change selection during commit or qrefresh''' |
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9 |
7015
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10 from mercurial.i18n import gettext, _ |
6212 | 11 from mercurial import cmdutil, commands, extensions, hg, mdiff, patch |
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12 from mercurial import util |
6212 | 13 import copy, cStringIO, errno, operator, os, re, tempfile |
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14 |
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15 lines_re = re.compile(r'@@ -(\d+),(\d+) \+(\d+),(\d+) @@\s*(.*)') |
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16 |
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17 def scanpatch(fp): |
5826 | 18 """like patch.iterhunks, but yield different events |
19 | |
20 - ('file', [header_lines + fromfile + tofile]) | |
21 - ('context', [context_lines]) | |
22 - ('hunk', [hunk_lines]) | |
23 - ('range', (-start,len, +start,len, diffp)) | |
24 """ | |
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25 lr = patch.linereader(fp) |
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26 |
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27 def scanwhile(first, p): |
5826 | 28 """scan lr while predicate holds""" |
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29 lines = [first] |
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30 while True: |
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31 line = lr.readline() |
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32 if not line: |
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33 break |
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34 if p(line): |
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35 lines.append(line) |
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36 else: |
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37 lr.push(line) |
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38 break |
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39 return lines |
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40 |
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41 while True: |
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42 line = lr.readline() |
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43 if not line: |
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44 break |
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45 if line.startswith('diff --git a/'): |
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46 def notheader(line): |
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47 s = line.split(None, 1) |
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48 return not s or s[0] not in ('---', 'diff') |
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49 header = scanwhile(line, notheader) |
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50 fromfile = lr.readline() |
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51 if fromfile.startswith('---'): |
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52 tofile = lr.readline() |
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53 header += [fromfile, tofile] |
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54 else: |
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55 lr.push(fromfile) |
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56 yield 'file', header |
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57 elif line[0] == ' ': |
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58 yield 'context', scanwhile(line, lambda l: l[0] in ' \\') |
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59 elif line[0] in '-+': |
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60 yield 'hunk', scanwhile(line, lambda l: l[0] in '-+\\') |
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61 else: |
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62 m = lines_re.match(line) |
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63 if m: |
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64 yield 'range', m.groups() |
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65 else: |
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66 raise patch.PatchError('unknown patch content: %r' % line) |
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67 |
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68 class header(object): |
5826 | 69 """patch header |
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70 |
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71 XXX shoudn't we move this to mercurial/patch.py ? |
5826 | 72 """ |
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73 diff_re = re.compile('diff --git a/(.*) b/(.*)$') |
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74 allhunks_re = re.compile('(?:index|new file|deleted file) ') |
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75 pretty_re = re.compile('(?:new file|deleted file) ') |
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76 special_re = re.compile('(?:index|new|deleted|copy|rename) ') |
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77 |
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78 def __init__(self, header): |
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79 self.header = header |
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80 self.hunks = [] |
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81 |
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82 def binary(self): |
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83 for h in self.header: |
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84 if h.startswith('index '): |
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85 return True |
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86 |
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87 def pretty(self, fp): |
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88 for h in self.header: |
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89 if h.startswith('index '): |
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90 fp.write(_('this modifies a binary file (all or nothing)\n')) |
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91 break |
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92 if self.pretty_re.match(h): |
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93 fp.write(h) |
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94 if self.binary(): |
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95 fp.write(_('this is a binary file\n')) |
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96 break |
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97 if h.startswith('---'): |
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98 fp.write(_('%d hunks, %d lines changed\n') % |
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99 (len(self.hunks), |
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100 sum([h.added + h.removed for h in self.hunks]))) |
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101 break |
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102 fp.write(h) |
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103 |
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104 def write(self, fp): |
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105 fp.write(''.join(self.header)) |
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106 |
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107 def allhunks(self): |
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108 for h in self.header: |
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109 if self.allhunks_re.match(h): |
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110 return True |
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111 |
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112 def files(self): |
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113 fromfile, tofile = self.diff_re.match(self.header[0]).groups() |
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114 if fromfile == tofile: |
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115 return [fromfile] |
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116 return [fromfile, tofile] |
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117 |
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118 def filename(self): |
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119 return self.files()[-1] |
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120 |
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121 def __repr__(self): |
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122 return '<header %s>' % (' '.join(map(repr, self.files()))) |
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123 |
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124 def special(self): |
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125 for h in self.header: |
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126 if self.special_re.match(h): |
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127 return True |
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128 |
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129 def countchanges(hunk): |
5826 | 130 """hunk -> (n+,n-)""" |
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131 add = len([h for h in hunk if h[0] == '+']) |
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132 rem = len([h for h in hunk if h[0] == '-']) |
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133 return add, rem |
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134 |
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135 class hunk(object): |
5826 | 136 """patch hunk |
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137 |
5826 | 138 XXX shouldn't we merge this with patch.hunk ? |
139 """ | |
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140 maxcontext = 3 |
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141 |
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142 def __init__(self, header, fromline, toline, proc, before, hunk, after): |
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143 def trimcontext(number, lines): |
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144 delta = len(lines) - self.maxcontext |
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145 if False and delta > 0: |
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146 return number + delta, lines[:self.maxcontext] |
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147 return number, lines |
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148 |
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149 self.header = header |
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150 self.fromline, self.before = trimcontext(fromline, before) |
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151 self.toline, self.after = trimcontext(toline, after) |
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152 self.proc = proc |
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153 self.hunk = hunk |
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154 self.added, self.removed = countchanges(self.hunk) |
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155 |
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156 def write(self, fp): |
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157 delta = len(self.before) + len(self.after) |
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158 if self.after and self.after[-1] == '\\ No newline at end of file\n': |
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159 delta -= 1 |
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160 fromlen = delta + self.removed |
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161 tolen = delta + self.added |
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162 fp.write('@@ -%d,%d +%d,%d @@%s\n' % |
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163 (self.fromline, fromlen, self.toline, tolen, |
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164 self.proc and (' ' + self.proc))) |
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165 fp.write(''.join(self.before + self.hunk + self.after)) |
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166 |
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167 pretty = write |
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168 |
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169 def filename(self): |
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170 return self.header.filename() |
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171 |
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172 def __repr__(self): |
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173 return '<hunk %r@%d>' % (self.filename(), self.fromline) |
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174 |
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175 def parsepatch(fp): |
5826 | 176 """patch -> [] of hunks """ |
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177 class parser(object): |
5826 | 178 """patch parsing state machine""" |
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179 def __init__(self): |
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180 self.fromline = 0 |
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181 self.toline = 0 |
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182 self.proc = '' |
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183 self.header = None |
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184 self.context = [] |
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185 self.before = [] |
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186 self.hunk = [] |
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187 self.stream = [] |
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188 |
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189 def addrange(self, (fromstart, fromend, tostart, toend, proc)): |
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190 self.fromline = int(fromstart) |
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191 self.toline = int(tostart) |
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192 self.proc = proc |
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193 |
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194 def addcontext(self, context): |
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195 if self.hunk: |
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196 h = hunk(self.header, self.fromline, self.toline, self.proc, |
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197 self.before, self.hunk, context) |
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198 self.header.hunks.append(h) |
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199 self.stream.append(h) |
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200 self.fromline += len(self.before) + h.removed |
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201 self.toline += len(self.before) + h.added |
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202 self.before = [] |
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203 self.hunk = [] |
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204 self.proc = '' |
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205 self.context = context |
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206 |
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207 def addhunk(self, hunk): |
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208 if self.context: |
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209 self.before = self.context |
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210 self.context = [] |
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211 self.hunk = hunk |
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212 |
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213 def newfile(self, hdr): |
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214 self.addcontext([]) |
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215 h = header(hdr) |
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216 self.stream.append(h) |
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217 self.header = h |
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218 |
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219 def finished(self): |
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220 self.addcontext([]) |
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221 return self.stream |
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222 |
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223 transitions = { |
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224 'file': {'context': addcontext, |
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225 'file': newfile, |
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226 'hunk': addhunk, |
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227 'range': addrange}, |
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228 'context': {'file': newfile, |
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229 'hunk': addhunk, |
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230 'range': addrange}, |
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231 'hunk': {'context': addcontext, |
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232 'file': newfile, |
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233 'range': addrange}, |
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234 'range': {'context': addcontext, |
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235 'hunk': addhunk}, |
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236 } |
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237 |
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238 p = parser() |
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239 |
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240 state = 'context' |
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241 for newstate, data in scanpatch(fp): |
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242 try: |
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243 p.transitions[state][newstate](p, data) |
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244 except KeyError: |
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245 raise patch.PatchError('unhandled transition: %s -> %s' % |
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246 (state, newstate)) |
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247 state = newstate |
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248 return p.finished() |
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249 |
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250 def filterpatch(ui, chunks): |
5826 | 251 """Interactively filter patch chunks into applied-only chunks""" |
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252 chunks = list(chunks) |
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253 chunks.reverse() |
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254 seen = {} |
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255 def consumefile(): |
5826 | 256 """fetch next portion from chunks until a 'header' is seen |
257 NB: header == new-file mark | |
258 """ | |
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259 consumed = [] |
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260 while chunks: |
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261 if isinstance(chunks[-1], header): |
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262 break |
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263 else: |
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264 consumed.append(chunks.pop()) |
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265 return consumed |
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267 resp_all = [None] # this two are changed from inside prompt, | |
268 resp_file = [None] # so can't be usual variables | |
269 applied = {} # 'filename' -> [] of chunks | |
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270 def prompt(query): |
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272 |
5826 | 273 - y/n for the rest of file |
274 - y/n for the rest | |
275 - ? (help) | |
276 - q (quit) | |
277 | |
278 else, input is returned to the caller. | |
279 """ | |
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280 if resp_all[0] is not None: |
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281 return resp_all[0] |
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282 if resp_file[0] is not None: |
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283 return resp_file[0] |
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284 while True: |
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285 choices = _('[Ynsfdaq?]') |
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286 r = (ui.prompt("%s %s " % (query, choices), '(?i)%s?$' % choices) |
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287 or _('y')).lower() |
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288 if r == _('?'): |
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289 doc = gettext(record.__doc__) |
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290 c = doc.find(_('y - record this change')) |
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291 for l in doc[c:].splitlines(): |
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292 if l: ui.write(l.strip(), '\n') |
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293 continue |
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294 elif r == _('s'): |
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295 r = resp_file[0] = 'n' |
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296 elif r == _('f'): |
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297 r = resp_file[0] = 'y' |
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298 elif r == _('d'): |
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299 r = resp_all[0] = 'n' |
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300 elif r == _('a'): |
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301 r = resp_all[0] = 'y' |
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302 elif r == _('q'): |
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303 raise util.Abort(_('user quit')) |
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304 return r |
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305 while chunks: |
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306 chunk = chunks.pop() |
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307 if isinstance(chunk, header): |
5826 | 308 # new-file mark |
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309 resp_file = [None] |
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310 fixoffset = 0 |
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311 hdr = ''.join(chunk.header) |
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312 if hdr in seen: |
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313 consumefile() |
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314 continue |
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315 seen[hdr] = True |
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316 if resp_all[0] is None: |
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317 chunk.pretty(ui) |
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318 r = prompt(_('examine changes to %s?') % |
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319 _(' and ').join(map(repr, chunk.files()))) |
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320 if r == _('y'): |
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321 applied[chunk.filename()] = [chunk] |
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322 if chunk.allhunks(): |
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323 applied[chunk.filename()] += consumefile() |
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324 else: |
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325 consumefile() |
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326 else: |
5826 | 327 # new hunk |
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328 if resp_file[0] is None and resp_all[0] is None: |
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329 chunk.pretty(ui) |
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330 r = prompt(_('record this change to %r?') % |
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331 chunk.filename()) |
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332 if r == _('y'): |
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333 if fixoffset: |
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334 chunk = copy.copy(chunk) |
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335 chunk.toline += fixoffset |
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336 applied[chunk.filename()].append(chunk) |
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337 else: |
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338 fixoffset += chunk.removed - chunk.added |
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339 return reduce(operator.add, [h for h in applied.itervalues() |
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340 if h[0].special() or len(h) > 1], []) |
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341 |
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342 def record(ui, repo, *pats, **opts): |
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343 '''interactively select changes to commit |
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344 |
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345 If a list of files is omitted, all changes reported by "hg status" |
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346 will be candidates for recording. |
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347 |
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348 See 'hg help dates' for a list of formats valid for -d/--date. |
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349 |
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350 You will be prompted for whether to record changes to each |
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351 modified file, and for files with multiple changes, for each |
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352 change to use. For each query, the following responses are |
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353 possible: |
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354 |
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355 y - record this change |
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356 n - skip this change |
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357 |
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358 s - skip remaining changes to this file |
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359 f - record remaining changes to this file |
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360 |
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361 d - done, skip remaining changes and files |
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362 a - record all changes to all remaining files |
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363 q - quit, recording no changes |
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364 |
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365 ? - display help''' |
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366 |
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367 def record_committer(ui, repo, pats, opts): |
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368 commands.commit(ui, repo, *pats, **opts) |
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369 |
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370 dorecord(ui, repo, record_committer, *pats, **opts) |
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371 |
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372 |
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373 def qrecord(ui, repo, patch, *pats, **opts): |
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374 '''interactively record a new patch |
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375 |
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376 see 'hg help qnew' & 'hg help record' for more information and usage |
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377 ''' |
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378 |
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379 try: |
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380 mq = extensions.find('mq') |
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381 except KeyError: |
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382 raise util.Abort(_("'mq' extension not loaded")) |
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383 |
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384 def qrecord_committer(ui, repo, pats, opts): |
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385 mq.new(ui, repo, patch, *pats, **opts) |
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386 |
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387 opts = opts.copy() |
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388 opts['force'] = True # always 'qnew -f' |
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389 dorecord(ui, repo, qrecord_committer, *pats, **opts) |
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390 |
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391 |
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392 def dorecord(ui, repo, committer, *pats, **opts): |
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393 if not ui.interactive: |
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394 raise util.Abort(_('running non-interactively, use commit instead')) |
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395 |
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396 def recordfunc(ui, repo, message, match, opts): |
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397 """This is generic record driver. |
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398 |
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399 It's job is to interactively filter local changes, and accordingly |
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400 prepare working dir into a state, where the job can be delegated to |
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401 non-interactive commit command such as 'commit' or 'qrefresh'. |
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402 |
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403 After the actual job is done by non-interactive command, working dir |
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404 state is restored to original. |
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405 |
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406 In the end we'll record intresting changes, and everything else will be |
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407 left in place, so the user can continue his work. |
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408 """ |
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409 if match.files(): |
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410 changes = None |
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411 else: |
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412 changes = repo.status(match=match)[:3] |
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413 modified, added, removed = changes |
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414 match = cmdutil.matchfiles(repo, modified + added + removed) |
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415 diffopts = mdiff.diffopts(git=True, nodates=True) |
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416 fp = cStringIO.StringIO() |
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417 patch.diff(repo, repo.dirstate.parents()[0], match=match, |
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418 changes=changes, opts=diffopts, fp=fp) |
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419 fp.seek(0) |
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420 |
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421 # 1. filter patch, so we have intending-to apply subset of it |
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422 chunks = filterpatch(ui, parsepatch(fp)) |
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423 del fp |
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424 |
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425 contenders = {} |
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426 for h in chunks: |
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427 try: contenders.update(dict.fromkeys(h.files())) |
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428 except AttributeError: pass |
5143
d4fa6bafc43a
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429 |
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430 newfiles = [f for f in match.files() if f in contenders] |
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431 |
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432 if not newfiles: |
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433 ui.status(_('no changes to record\n')) |
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434 return 0 |
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435 |
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436 if changes is None: |
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437 match = cmdutil.matchfiles(repo, newfiles) |
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438 changes = repo.status(match=match) |
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439 modified = dict.fromkeys(changes[0]) |
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440 |
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441 # 2. backup changed files, so we can restore them in the end |
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442 backups = {} |
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443 backupdir = repo.join('record-backups') |
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444 try: |
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445 os.mkdir(backupdir) |
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446 except OSError, err: |
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eca5b31cffc7
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447 if err.errno != errno.EEXIST: |
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448 raise |
5037
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449 try: |
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450 # backup continues |
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451 for f in newfiles: |
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452 if f not in modified: |
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453 continue |
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454 fd, tmpname = tempfile.mkstemp(prefix=f.replace('/', '_')+'.', |
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455 dir=backupdir) |
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456 os.close(fd) |
6965
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457 ui.debug(_('backup %r as %r\n') % (f, tmpname)) |
5037
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458 util.copyfile(repo.wjoin(f), tmpname) |
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459 backups[f] = tmpname |
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460 |
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461 fp = cStringIO.StringIO() |
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462 for c in chunks: |
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|
463 if c.filename() in backups: |
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464 c.write(fp) |
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465 dopatch = fp.tell() |
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466 fp.seek(0) |
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|
467 |
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468 # 3a. apply filtered patch to clean repo (clean) |
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469 if backups: |
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470 hg.revert(repo, repo.dirstate.parents()[0], backups.has_key) |
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471 |
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472 # 3b. (apply) |
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473 if dopatch: |
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474 try: |
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475 ui.debug(_('applying patch\n')) |
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476 ui.debug(fp.getvalue()) |
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477 patch.internalpatch(fp, ui, 1, repo.root) |
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478 except patch.PatchError, err: |
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479 s = str(err) |
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480 if s: |
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|
481 raise util.Abort(s) |
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482 else: |
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483 raise util.Abort(_('patch failed to apply')) |
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484 del fp |
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485 |
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486 # 4. We prepared working directory according to filtered patch. |
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487 # Now is the time to delegate the job to commit/qrefresh or the like! |
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488 |
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489 # it is important to first chdir to repo root -- we'll call a |
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490 # highlevel command with list of pathnames relative to repo root |
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491 cwd = os.getcwd() |
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492 os.chdir(repo.root) |
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493 try: |
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494 committer(ui, repo, newfiles, opts) |
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495 finally: |
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496 os.chdir(cwd) |
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497 |
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498 return 0 |
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499 finally: |
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500 # 5. finally restore backed-up files |
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501 try: |
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502 for realname, tmpname in backups.iteritems(): |
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503 ui.debug(_('restoring %r to %r\n') % (tmpname, realname)) |
5128
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504 util.copyfile(tmpname, repo.wjoin(realname)) |
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505 os.unlink(tmpname) |
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506 os.rmdir(backupdir) |
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507 except OSError: |
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508 pass |
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509 return cmdutil.commit(ui, repo, recordfunc, pats, opts) |
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510 |
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511 cmdtable = { |
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512 "record": |
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513 (record, |
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514 |
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515 # add commit options |
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516 commands.table['^commit|ci'][1], |
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517 |
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518 _('hg record [OPTION]... [FILE]...')), |
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519 } |
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520 |
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521 |
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522 def extsetup(): |
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523 try: |
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524 mq = extensions.find('mq') |
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525 except KeyError: |
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526 return |
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527 |
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528 qcmdtable = { |
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529 "qrecord": |
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530 (qrecord, |
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531 |
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532 # add qnew options, except '--force' |
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533 [opt for opt in mq.cmdtable['qnew'][1] if opt[1] != 'force'], |
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534 |
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535 _('hg qrecord [OPTION]... PATCH [FILE]...')), |
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536 } |
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537 |
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538 cmdtable.update(qcmdtable) |
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539 |