Mercurial > hg
annotate hgext/record.py @ 6868:93b03f1be289
convert: Fix debugging output when running multiple commands with xargs.
author | Thomas Arendsen Hein <thomas@intevation.de> |
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date | Fri, 08 Aug 2008 18:37:50 +0200 |
parents | e75aab656f46 |
children | b822a379860b 834f7e069cae |
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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 |
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10 from mercurial.i18n import _ |
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 fromlen = delta + self.removed |
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159 tolen = delta + self.added |
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160 fp.write('@@ -%d,%d +%d,%d @@%s\n' % |
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161 (self.fromline, fromlen, self.toline, tolen, |
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162 self.proc and (' ' + self.proc))) |
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163 fp.write(''.join(self.before + self.hunk + self.after)) |
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164 |
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165 pretty = write |
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166 |
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167 def filename(self): |
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168 return self.header.filename() |
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169 |
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170 def __repr__(self): |
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171 return '<hunk %r@%d>' % (self.filename(), self.fromline) |
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172 |
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173 def parsepatch(fp): |
5826 | 174 """patch -> [] of hunks """ |
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175 class parser(object): |
5826 | 176 """patch parsing state machine""" |
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177 def __init__(self): |
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178 self.fromline = 0 |
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179 self.toline = 0 |
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180 self.proc = '' |
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181 self.header = None |
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182 self.context = [] |
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183 self.before = [] |
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184 self.hunk = [] |
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185 self.stream = [] |
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186 |
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187 def addrange(self, (fromstart, fromend, tostart, toend, proc)): |
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188 self.fromline = int(fromstart) |
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189 self.toline = int(tostart) |
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190 self.proc = proc |
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191 |
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192 def addcontext(self, context): |
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193 if self.hunk: |
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194 h = hunk(self.header, self.fromline, self.toline, self.proc, |
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195 self.before, self.hunk, context) |
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196 self.header.hunks.append(h) |
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197 self.stream.append(h) |
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198 self.fromline += len(self.before) + h.removed |
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199 self.toline += len(self.before) + h.added |
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200 self.before = [] |
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201 self.hunk = [] |
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202 self.proc = '' |
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203 self.context = context |
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204 |
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205 def addhunk(self, hunk): |
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206 if self.context: |
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207 self.before = self.context |
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208 self.context = [] |
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209 self.hunk = data |
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210 |
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211 def newfile(self, hdr): |
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212 self.addcontext([]) |
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213 h = header(hdr) |
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214 self.stream.append(h) |
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215 self.header = h |
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216 |
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217 def finished(self): |
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218 self.addcontext([]) |
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219 return self.stream |
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220 |
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221 transitions = { |
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222 'file': {'context': addcontext, |
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223 'file': newfile, |
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224 'hunk': addhunk, |
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225 'range': addrange}, |
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226 'context': {'file': newfile, |
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227 'hunk': addhunk, |
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228 'range': addrange}, |
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229 'hunk': {'context': addcontext, |
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230 'file': newfile, |
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231 'range': addrange}, |
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232 'range': {'context': addcontext, |
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233 'hunk': addhunk}, |
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234 } |
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235 |
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236 p = parser() |
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237 |
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238 state = 'context' |
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239 for newstate, data in scanpatch(fp): |
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240 try: |
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241 p.transitions[state][newstate](p, data) |
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242 except KeyError: |
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243 raise patch.PatchError('unhandled transition: %s -> %s' % |
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244 (state, newstate)) |
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245 state = newstate |
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246 return p.finished() |
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247 |
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248 def filterpatch(ui, chunks): |
5826 | 249 """Interactively filter patch chunks into applied-only chunks""" |
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250 chunks = list(chunks) |
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251 chunks.reverse() |
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252 seen = {} |
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253 def consumefile(): |
5826 | 254 """fetch next portion from chunks until a 'header' is seen |
255 NB: header == new-file mark | |
256 """ | |
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257 consumed = [] |
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258 while chunks: |
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259 if isinstance(chunks[-1], header): |
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260 break |
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261 else: |
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262 consumed.append(chunks.pop()) |
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263 return consumed |
5826 | 264 |
265 resp_all = [None] # this two are changed from inside prompt, | |
266 resp_file = [None] # so can't be usual variables | |
267 applied = {} # 'filename' -> [] of chunks | |
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268 def prompt(query): |
5826 | 269 """prompt query, and process base inputs |
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270 |
5826 | 271 - y/n for the rest of file |
272 - y/n for the rest | |
273 - ? (help) | |
274 - q (quit) | |
275 | |
276 else, input is returned to the caller. | |
277 """ | |
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278 if resp_all[0] is not None: |
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279 return resp_all[0] |
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280 if resp_file[0] is not None: |
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281 return resp_file[0] |
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282 while True: |
5751 | 283 r = (ui.prompt(query + _(' [Ynsfdaq?] '), '(?i)[Ynsfdaq?]?$') |
284 or 'y').lower() | |
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285 if r == '?': |
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286 c = record.__doc__.find('y - record this change') |
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287 for l in record.__doc__[c:].splitlines(): |
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288 if l: ui.write(_(l.strip()), '\n') |
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289 continue |
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290 elif r == 's': |
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291 r = resp_file[0] = 'n' |
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292 elif r == 'f': |
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293 r = resp_file[0] = 'y' |
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294 elif r == 'd': |
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295 r = resp_all[0] = 'n' |
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296 elif r == 'a': |
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297 r = resp_all[0] = 'y' |
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298 elif r == 'q': |
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299 raise util.Abort(_('user quit')) |
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300 return r |
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301 while chunks: |
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302 chunk = chunks.pop() |
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303 if isinstance(chunk, header): |
5826 | 304 # new-file mark |
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305 resp_file = [None] |
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306 fixoffset = 0 |
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307 hdr = ''.join(chunk.header) |
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308 if hdr in seen: |
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309 consumefile() |
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310 continue |
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311 seen[hdr] = True |
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312 if resp_all[0] is None: |
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313 chunk.pretty(ui) |
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314 r = prompt(_('examine changes to %s?') % |
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315 _(' and ').join(map(repr, chunk.files()))) |
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316 if r == 'y': |
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317 applied[chunk.filename()] = [chunk] |
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318 if chunk.allhunks(): |
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319 applied[chunk.filename()] += consumefile() |
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320 else: |
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321 consumefile() |
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322 else: |
5826 | 323 # new hunk |
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324 if resp_file[0] is None and resp_all[0] is None: |
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325 chunk.pretty(ui) |
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326 r = prompt(_('record this change to %r?') % |
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327 chunk.filename()) |
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328 if r == 'y': |
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329 if fixoffset: |
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330 chunk = copy.copy(chunk) |
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331 chunk.toline += fixoffset |
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332 applied[chunk.filename()].append(chunk) |
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333 else: |
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334 fixoffset += chunk.removed - chunk.added |
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335 return reduce(operator.add, [h for h in applied.itervalues() |
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336 if h[0].special() or len(h) > 1], []) |
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337 |
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338 def record(ui, repo, *pats, **opts): |
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339 '''interactively select changes to commit |
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340 |
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341 If a list of files is omitted, all changes reported by "hg status" |
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342 will be candidates for recording. |
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343 |
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344 See 'hg help dates' for a list of formats valid for -d/--date. |
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345 |
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346 You will be prompted for whether to record changes to each |
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347 modified file, and for files with multiple changes, for each |
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348 change to use. For each query, the following responses are |
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349 possible: |
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350 |
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351 y - record this change |
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352 n - skip this change |
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353 |
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354 s - skip remaining changes to this file |
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355 f - record remaining changes to this file |
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356 |
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357 d - done, skip remaining changes and files |
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358 a - record all changes to all remaining files |
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359 q - quit, recording no changes |
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360 |
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361 ? - display help''' |
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362 |
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363 def record_committer(ui, repo, pats, opts): |
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364 commands.commit(ui, repo, *pats, **opts) |
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365 |
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366 dorecord(ui, repo, record_committer, *pats, **opts) |
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367 |
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368 |
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369 def qrecord(ui, repo, patch, *pats, **opts): |
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370 '''interactively record a new patch |
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371 |
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372 see 'hg help qnew' & 'hg help record' for more information and usage |
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373 ''' |
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374 |
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375 try: |
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376 mq = extensions.find('mq') |
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377 except KeyError: |
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378 raise util.Abort(_("'mq' extension not loaded")) |
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379 |
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380 def qrecord_committer(ui, repo, pats, opts): |
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381 mq.new(ui, repo, patch, *pats, **opts) |
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382 |
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383 opts = opts.copy() |
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384 opts['force'] = True # always 'qnew -f' |
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385 dorecord(ui, repo, qrecord_committer, *pats, **opts) |
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386 |
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387 |
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388 def dorecord(ui, repo, committer, *pats, **opts): |
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389 if not ui.interactive: |
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390 raise util.Abort(_('running non-interactively, use commit instead')) |
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391 |
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392 def recordfunc(ui, repo, files, message, match, opts): |
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393 """This is generic record driver. |
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394 |
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395 It's job is to interactively filter local changes, and accordingly |
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396 prepare working dir into a state, where the job can be delegated to |
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397 non-interactive commit command such as 'commit' or 'qrefresh'. |
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398 |
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399 After the actual job is done by non-interactive command, working dir |
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400 state is restored to original. |
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401 |
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402 In the end we'll record intresting changes, and everything else will be |
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403 left in place, so the user can continue his work. |
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404 """ |
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405 if files: |
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406 changes = None |
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407 else: |
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408 changes = repo.status(files=files, match=match)[:5] |
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409 modified, added, removed = changes[:3] |
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410 files = modified + added + removed |
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411 diffopts = mdiff.diffopts(git=True, nodates=True) |
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412 fp = cStringIO.StringIO() |
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413 patch.diff(repo, repo.dirstate.parents()[0], files=files, |
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414 match=match, changes=changes, opts=diffopts, fp=fp) |
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415 fp.seek(0) |
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416 |
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417 # 1. filter patch, so we have intending-to apply subset of it |
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418 chunks = filterpatch(ui, parsepatch(fp)) |
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419 del fp |
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420 |
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421 contenders = {} |
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422 for h in chunks: |
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423 try: contenders.update(dict.fromkeys(h.files())) |
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424 except AttributeError: pass |
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425 |
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426 newfiles = [f for f in files if f in contenders] |
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427 |
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428 if not newfiles: |
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429 ui.status(_('no changes to record\n')) |
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430 return 0 |
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431 |
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432 if changes is None: |
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433 changes = repo.status(files=newfiles, match=match)[:5] |
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434 modified = dict.fromkeys(changes[0]) |
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435 |
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436 # 2. backup changed files, so we can restore them in the end |
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437 backups = {} |
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438 backupdir = repo.join('record-backups') |
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439 try: |
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440 os.mkdir(backupdir) |
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441 except OSError, err: |
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442 if err.errno != errno.EEXIST: |
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443 raise |
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444 try: |
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445 # backup continues |
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446 for f in newfiles: |
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447 if f not in modified: |
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448 continue |
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449 fd, tmpname = tempfile.mkstemp(prefix=f.replace('/', '_')+'.', |
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450 dir=backupdir) |
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451 os.close(fd) |
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452 ui.debug('backup %r as %r\n' % (f, tmpname)) |
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453 util.copyfile(repo.wjoin(f), tmpname) |
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454 backups[f] = tmpname |
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455 |
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456 fp = cStringIO.StringIO() |
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457 for c in chunks: |
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458 if c.filename() in backups: |
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459 c.write(fp) |
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460 dopatch = fp.tell() |
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461 fp.seek(0) |
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462 |
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463 # 3a. apply filtered patch to clean repo (clean) |
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464 if backups: |
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465 hg.revert(repo, repo.dirstate.parents()[0], backups.has_key) |
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466 |
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467 # 3b. (apply) |
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468 if dopatch: |
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469 ui.debug('applying patch\n') |
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470 ui.debug(fp.getvalue()) |
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471 patch.internalpatch(fp, ui, 1, repo.root) |
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472 del fp |
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473 |
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474 # 4. We prepared working directory according to filtered patch. |
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475 # Now is the time to delegate the job to commit/qrefresh or the like! |
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476 |
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477 # it is important to first chdir to repo root -- we'll call a |
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478 # highlevel command with list of pathnames relative to repo root |
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479 cwd = os.getcwd() |
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480 os.chdir(repo.root) |
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481 try: |
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482 committer(ui, repo, newfiles, opts) |
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483 finally: |
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484 os.chdir(cwd) |
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485 |
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486 return 0 |
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487 finally: |
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488 # 5. finally restore backed-up files |
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489 try: |
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490 for realname, tmpname in backups.iteritems(): |
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491 ui.debug('restoring %r to %r\n' % (tmpname, realname)) |
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492 util.copyfile(tmpname, repo.wjoin(realname)) |
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493 os.unlink(tmpname) |
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494 os.rmdir(backupdir) |
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495 except OSError: |
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496 pass |
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497 return cmdutil.commit(ui, repo, recordfunc, pats, opts) |
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498 |
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499 cmdtable = { |
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500 "record": |
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501 (record, |
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502 |
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503 # add commit options |
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504 commands.table['^commit|ci'][1], |
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505 |
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506 _('hg record [OPTION]... [FILE]...')), |
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507 } |
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508 |
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509 |
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510 def extsetup(): |
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511 try: |
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512 mq = extensions.find('mq') |
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513 except KeyError: |
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514 return |
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515 |
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516 qcmdtable = { |
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517 "qrecord": |
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parents:
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518 (qrecord, |
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parents:
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519 |
5932
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qrecord: record complements commit, so qrecord should complement qnew
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520 # add qnew options, except '--force' |
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521 [opt for opt in mq.cmdtable['qnew'][1] if opt[1] != 'force'], |
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parents:
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522 |
5932
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Kirill Smelkov <kirr@mns.spb.ru>
parents:
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523 _('hg qrecord [OPTION]... PATCH [FILE]...')), |
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parents:
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524 } |
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parents:
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525 |
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parents:
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526 cmdtable.update(qcmdtable) |
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parents:
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527 |