Mercurial > hg
annotate hgext/extdiff.py @ 21952:3838b910fa6b stable
doc: unify help text for "--edit" option
This patch changes help text for "--edit" option of commands below:
- fetch
- qnew
- qrefresh
- qfold
- commit
- tag
This unification reduces translation cost, too.
This patch chooses not "further edit commit message already specified"
(of "hg commit") but "invoke editor on commit messages" as unified
help text for "--edit" option, because the latter is much older than
the former.
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
---|---|
date | Wed, 30 Jul 2014 00:14:52 +0900 |
parents | f0c3b95af47f |
children | 684bad8c4265 |
rev | line source |
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1 # extdiff.py - external diff program support for mercurial |
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2 # |
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3 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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7 |
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8 '''command to allow external programs to compare revisions |
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9 |
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10 The extdiff Mercurial extension allows you to use external programs |
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11 to compare revisions, or revision with working directory. The external |
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12 diff programs are called with a configurable set of options and two |
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13 non-option arguments: paths to directories containing snapshots of |
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14 files to compare. |
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15 |
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16 The extdiff extension also allows you to configure new diff commands, so |
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17 you do not need to type :hg:`extdiff -p kdiff3` always. :: |
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18 |
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19 [extdiff] |
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20 # add new command that runs GNU diff(1) in 'context diff' mode |
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21 cdiff = gdiff -Nprc5 |
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22 ## or the old way: |
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23 #cmd.cdiff = gdiff |
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24 #opts.cdiff = -Nprc5 |
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25 |
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26 # add new command called vdiff, runs kdiff3 |
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27 vdiff = kdiff3 |
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28 |
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29 # add new command called meld, runs meld (no need to name twice) |
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30 meld = |
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31 |
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32 # add new command called vimdiff, runs gvimdiff with DirDiff plugin |
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33 # (see http://www.vim.org/scripts/script.php?script_id=102) Non |
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34 # English user, be sure to put "let g:DirDiffDynamicDiffText = 1" in |
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35 # your .vimrc |
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36 vimdiff = gvim -f "+next" \\ |
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37 "+execute 'DirDiff' fnameescape(argv(0)) fnameescape(argv(1))" |
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38 |
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39 Tool arguments can include variables that are expanded at runtime:: |
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40 |
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41 $parent1, $plabel1 - filename, descriptive label of first parent |
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42 $child, $clabel - filename, descriptive label of child revision |
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43 $parent2, $plabel2 - filename, descriptive label of second parent |
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44 $root - repository root |
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45 $parent is an alias for $parent1. |
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46 |
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47 The extdiff extension will look in your [diff-tools] and [merge-tools] |
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48 sections for diff tool arguments, when none are specified in [extdiff]. |
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49 |
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50 :: |
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51 |
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52 [extdiff] |
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53 kdiff3 = |
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54 |
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55 [diff-tools] |
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56 kdiff3.diffargs=--L1 '$plabel1' --L2 '$clabel' $parent $child |
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57 |
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58 You can use -I/-X and list of file or directory names like normal |
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59 :hg:`diff` command. The extdiff extension makes snapshots of only |
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60 needed files, so running the external diff program will actually be |
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61 pretty fast (at least faster than having to compare the entire tree). |
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62 ''' |
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63 |
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65 from mercurial.node import short, nullid |
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66 from mercurial import cmdutil, scmutil, scmutil, util, commands, encoding |
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67 import os, shlex, shutil, tempfile, re |
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68 |
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69 cmdtable = {} |
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70 command = cmdutil.command(cmdtable) |
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71 testedwith = 'internal' |
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72 |
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73 def snapshot(ui, repo, files, node, tmproot): |
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74 '''snapshot files as of some revision |
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75 if not using snapshot, -I/-X does not work and recursive diff |
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76 in tools like kdiff3 and meld displays too many files.''' |
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77 dirname = os.path.basename(repo.root) |
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78 if dirname == "": |
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79 dirname = "root" |
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80 if node is not None: |
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81 dirname = '%s.%s' % (dirname, short(node)) |
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82 base = os.path.join(tmproot, dirname) |
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83 os.mkdir(base) |
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84 if node is not None: |
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85 ui.note(_('making snapshot of %d files from rev %s\n') % |
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86 (len(files), short(node))) |
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87 else: |
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89 (len(files))) |
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90 wopener = scmutil.opener(base) |
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91 fns_and_mtime = [] |
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92 ctx = repo[node] |
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93 for fn in files: |
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94 wfn = util.pconvert(fn) |
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95 if wfn not in ctx: |
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96 # File doesn't exist; could be a bogus modify |
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97 continue |
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98 ui.note(' %s\n' % wfn) |
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99 dest = os.path.join(base, wfn) |
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100 fctx = ctx[wfn] |
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101 data = repo.wwritedata(wfn, fctx.data()) |
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102 if 'l' in fctx.flags(): |
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103 wopener.symlink(data, wfn) |
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104 else: |
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105 wopener.write(wfn, data) |
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106 if 'x' in fctx.flags(): |
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107 util.setflags(dest, False, True) |
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108 if node is None: |
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109 fns_and_mtime.append((dest, repo.wjoin(fn), |
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110 os.lstat(dest).st_mtime)) |
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111 return dirname, fns_and_mtime |
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112 |
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113 def dodiff(ui, repo, diffcmd, diffopts, pats, opts): |
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114 '''Do the actual diff: |
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115 |
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116 - copy to a temp structure if diffing 2 internal revisions |
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117 - copy to a temp structure if diffing working revision with |
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118 another one and more than 1 file is changed |
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119 - just invoke the diff for a single file in the working dir |
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120 ''' |
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121 |
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122 revs = opts.get('rev') |
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123 change = opts.get('change') |
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124 args = ' '.join(diffopts) |
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125 do3way = '$parent2' in args |
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126 |
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127 if revs and change: |
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128 msg = _('cannot specify --rev and --change at the same time') |
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129 raise util.Abort(msg) |
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130 elif change: |
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131 node2 = scmutil.revsingle(repo, change, None).node() |
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132 node1a, node1b = repo.changelog.parents(node2) |
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133 else: |
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134 node1a, node2 = scmutil.revpair(repo, revs) |
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135 if not revs: |
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136 node1b = repo.dirstate.p2() |
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137 else: |
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138 node1b = nullid |
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139 |
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140 # Disable 3-way merge if there is only one parent |
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141 if do3way: |
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142 if node1b == nullid: |
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143 do3way = False |
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144 |
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145 matcher = scmutil.match(repo[node2], pats, opts) |
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146 mod_a, add_a, rem_a = map(set, repo.status(node1a, node2, matcher)[:3]) |
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147 if do3way: |
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148 mod_b, add_b, rem_b = map(set, repo.status(node1b, node2, matcher)[:3]) |
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149 else: |
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150 mod_b, add_b, rem_b = set(), set(), set() |
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151 modadd = mod_a | add_a | mod_b | add_b |
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152 common = modadd | rem_a | rem_b |
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153 if not common: |
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154 return 0 |
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155 |
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156 tmproot = tempfile.mkdtemp(prefix='extdiff.') |
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157 try: |
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158 # Always make a copy of node1a (and node1b, if applicable) |
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159 dir1a_files = mod_a | rem_a | ((mod_b | add_b) - add_a) |
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160 dir1a = snapshot(ui, repo, dir1a_files, node1a, tmproot)[0] |
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161 rev1a = '@%d' % repo[node1a].rev() |
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162 if do3way: |
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163 dir1b_files = mod_b | rem_b | ((mod_a | add_a) - add_b) |
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164 dir1b = snapshot(ui, repo, dir1b_files, node1b, tmproot)[0] |
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165 rev1b = '@%d' % repo[node1b].rev() |
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166 else: |
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167 dir1b = None |
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168 rev1b = '' |
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169 |
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170 fns_and_mtime = [] |
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171 |
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172 # If node2 in not the wc or there is >1 change, copy it |
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173 dir2root = '' |
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174 rev2 = '' |
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175 if node2: |
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176 dir2 = snapshot(ui, repo, modadd, node2, tmproot)[0] |
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177 rev2 = '@%d' % repo[node2].rev() |
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178 elif len(common) > 1: |
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179 #we only actually need to get the files to copy back to |
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180 #the working dir in this case (because the other cases |
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181 #are: diffing 2 revisions or single file -- in which case |
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182 #the file is already directly passed to the diff tool). |
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183 dir2, fns_and_mtime = snapshot(ui, repo, modadd, None, tmproot) |
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184 else: |
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185 # This lets the diff tool open the changed file directly |
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186 dir2 = '' |
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187 dir2root = repo.root |
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188 |
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189 label1a = rev1a |
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190 label1b = rev1b |
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191 label2 = rev2 |
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192 |
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193 # If only one change, diff the files instead of the directories |
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194 # Handle bogus modifies correctly by checking if the files exist |
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195 if len(common) == 1: |
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196 common_file = util.localpath(common.pop()) |
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197 dir1a = os.path.join(tmproot, dir1a, common_file) |
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198 label1a = common_file + rev1a |
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199 if not os.path.isfile(dir1a): |
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200 dir1a = os.devnull |
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201 if do3way: |
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202 dir1b = os.path.join(tmproot, dir1b, common_file) |
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203 label1b = common_file + rev1b |
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204 if not os.path.isfile(dir1b): |
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205 dir1b = os.devnull |
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206 dir2 = os.path.join(dir2root, dir2, common_file) |
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207 label2 = common_file + rev2 |
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208 |
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209 # Function to quote file/dir names in the argument string. |
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210 # When not operating in 3-way mode, an empty string is |
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211 # returned for parent2 |
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212 replace = {'parent': dir1a, 'parent1': dir1a, 'parent2': dir1b, |
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213 'plabel1': label1a, 'plabel2': label1b, |
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214 'clabel': label2, 'child': dir2, |
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215 'root': repo.root} |
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216 def quote(match): |
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217 key = match.group()[1:] |
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218 if not do3way and key == 'parent2': |
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219 return '' |
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220 return util.shellquote(replace[key]) |
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221 |
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222 # Match parent2 first, so 'parent1?' will match both parent1 and parent |
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223 regex = '\$(parent2|parent1?|child|plabel1|plabel2|clabel|root)' |
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224 if not do3way and not re.search(regex, args): |
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225 args += ' $parent1 $child' |
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226 args = re.sub(regex, quote, args) |
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227 cmdline = util.shellquote(diffcmd) + ' ' + args |
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228 |
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229 ui.debug('running %r in %s\n' % (cmdline, tmproot)) |
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230 util.system(cmdline, cwd=tmproot, out=ui.fout) |
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231 |
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232 for copy_fn, working_fn, mtime in fns_and_mtime: |
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233 if os.lstat(copy_fn).st_mtime != mtime: |
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234 ui.debug('file changed while diffing. ' |
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235 'Overwriting: %s (src: %s)\n' % (working_fn, copy_fn)) |
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236 util.copyfile(copy_fn, working_fn) |
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237 |
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238 return 1 |
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239 finally: |
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240 ui.note(_('cleaning up temp directory\n')) |
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241 shutil.rmtree(tmproot) |
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242 |
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243 @command('extdiff', |
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244 [('p', 'program', '', |
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245 _('comparison program to run'), _('CMD')), |
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246 ('o', 'option', [], |
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247 _('pass option to comparison program'), _('OPT')), |
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248 ('r', 'rev', [], _('revision'), _('REV')), |
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249 ('c', 'change', '', _('change made by revision'), _('REV')), |
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250 ] + commands.walkopts, |
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251 _('hg extdiff [OPT]... [FILE]...'), |
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252 inferrepo=True) |
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253 def extdiff(ui, repo, *pats, **opts): |
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254 '''use external program to diff repository (or selected files) |
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255 |
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256 Show differences between revisions for the specified files, using |
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257 an external program. The default program used is diff, with |
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258 default options "-Npru". |
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259 |
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260 To select a different program, use the -p/--program option. The |
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261 program will be passed the names of two directories to compare. To |
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262 pass additional options to the program, use -o/--option. These |
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263 will be passed before the names of the directories to compare. |
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264 |
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265 When two revision arguments are given, then changes are shown |
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266 between those revisions. If only one revision is specified then |
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267 that revision is compared to the working directory, and, when no |
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268 revisions are specified, the working directory files are compared |
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269 to its parent.''' |
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270 program = opts.get('program') |
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271 option = opts.get('option') |
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272 if not program: |
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273 program = 'diff' |
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274 option = option or ['-Npru'] |
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275 return dodiff(ui, repo, program, option, pats, opts) |
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276 |
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277 def uisetup(ui): |
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278 for cmd, path in ui.configitems('extdiff'): |
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279 if cmd.startswith('cmd.'): |
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280 cmd = cmd[4:] |
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281 if not path: |
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282 path = cmd |
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283 diffopts = ui.config('extdiff', 'opts.' + cmd, '') |
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284 diffopts = diffopts and [diffopts] or [] |
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285 elif cmd.startswith('opts.'): |
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286 continue |
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287 else: |
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288 # command = path opts |
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289 if path: |
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290 diffopts = shlex.split(path) |
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291 path = diffopts.pop(0) |
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292 else: |
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293 path, diffopts = cmd, [] |
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294 # look for diff arguments in [diff-tools] then [merge-tools] |
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295 if diffopts == []: |
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296 args = ui.config('diff-tools', cmd+'.diffargs') or \ |
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297 ui.config('merge-tools', cmd+'.diffargs') |
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298 if args: |
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299 diffopts = shlex.split(args) |
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300 def save(cmd, path, diffopts): |
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301 '''use closure to save diff command to use''' |
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302 def mydiff(ui, repo, *pats, **opts): |
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303 return dodiff(ui, repo, path, diffopts + opts['option'], |
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304 pats, opts) |
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305 doc = _('''\ |
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306 use %(path)s to diff repository (or selected files) |
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307 |
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308 Show differences between revisions for the specified files, using |
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309 the %(path)s program. |
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310 |
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311 When two revision arguments are given, then changes are shown |
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312 between those revisions. If only one revision is specified then |
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313 that revision is compared to the working directory, and, when no |
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314 revisions are specified, the working directory files are compared |
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315 to its parent.\ |
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316 ''') % {'path': util.uirepr(path)} |
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317 |
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318 # We must translate the docstring right away since it is |
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319 # used as a format string. The string will unfortunately |
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320 # be translated again in commands.helpcmd and this will |
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321 # fail when the docstring contains non-ASCII characters. |
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322 # Decoding the string to a Unicode string here (using the |
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323 # right encoding) prevents that. |
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324 mydiff.__doc__ = doc.decode(encoding.encoding) |
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325 return mydiff |
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326 cmdtable[cmd] = (save(cmd, path, diffopts), |
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327 cmdtable['extdiff'][1][1:], |
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328 _('hg %s [OPTION]... [FILE]...') % cmd) |