Mercurial > hg
annotate hgext/uncommit.py @ 47890:3853e6ee160d
dirstatemap: replace `removefile` by an explicit `entry.set_untracked()`
All the other caller goes through `reset_state`, so we can safely have an
explicit method on `DirstateItem` object.
This means that all the logic to preserve the previous state (from p2, merged,
etc) is now properly encapsulated within the DirstateItem. This pave the way to
using different storage for these information.
Differential Revision: https://phab.mercurial-scm.org/D11315
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Fri, 20 Aug 2021 11:27:01 +0200 |
parents | 7f7457f84311 |
children | 4f01821fa0ec |
rev | line source |
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1 # uncommit - undo the actions of a commit |
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2 # |
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3 # Copyright 2011 Peter Arrenbrecht <peter.arrenbrecht@gmail.com> |
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4 # Logilab SA <contact@logilab.fr> |
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5 # Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
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6 # Patrick Mezard <patrick@mezard.eu> |
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7 # Copyright 2016 Facebook, Inc. |
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8 # |
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9 # This software may be used and distributed according to the terms of the |
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10 # GNU General Public License version 2 or any later version. |
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11 |
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12 """uncommit part or all of a local changeset (EXPERIMENTAL) |
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13 |
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14 This command undoes the effect of a local commit, returning the affected |
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15 files to their uncommitted state. This means that files modified, added or |
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16 removed in the changeset will be left unchanged, and so will remain modified, |
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17 added and removed in the working directory. |
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18 """ |
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19 |
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20 from __future__ import absolute_import |
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21 |
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22 from mercurial.i18n import _ |
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23 |
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24 from mercurial import ( |
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25 cmdutil, |
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26 commands, |
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27 context, |
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28 copies as copiesmod, |
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29 error, |
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30 obsutil, |
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31 pathutil, |
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32 pycompat, |
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33 registrar, |
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34 rewriteutil, |
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35 scmutil, |
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36 ) |
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37 |
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38 cmdtable = {} |
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39 command = registrar.command(cmdtable) |
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40 |
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41 configtable = {} |
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42 configitem = registrar.configitem(configtable) |
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43 |
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44 configitem( |
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45 b'experimental', |
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46 b'uncommitondirtywdir', |
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47 default=False, |
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48 ) |
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49 configitem( |
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50 b'experimental', |
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51 b'uncommit.keep', |
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52 default=False, |
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53 ) |
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54 |
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55 # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for |
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56 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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57 # be specifying the version(s) of Mercurial they are tested with, or |
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58 # leave the attribute unspecified. |
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59 testedwith = b'ships-with-hg-core' |
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60 |
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61 |
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62 def _commitfiltered( |
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63 repo, ctx, match, keepcommit, message=None, user=None, date=None |
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64 ): |
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65 """Recommit ctx with changed files not in match. Return the new |
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66 node identifier, or None if nothing changed. |
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67 """ |
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68 base = ctx.p1() |
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69 # ctx |
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70 initialfiles = set(ctx.files()) |
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71 exclude = {f for f in initialfiles if match(f)} |
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72 |
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73 # No files matched commit, so nothing excluded |
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74 if not exclude: |
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75 return None |
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76 |
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77 # return the p1 so that we don't create an obsmarker later |
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78 if not keepcommit: |
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79 return ctx.p1().node() |
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80 |
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81 files = initialfiles - exclude |
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82 # Filter copies |
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83 copied = copiesmod.pathcopies(base, ctx) |
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84 copied = { |
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85 dst: src for dst, src in pycompat.iteritems(copied) if dst in files |
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86 } |
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87 |
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88 def filectxfn(repo, memctx, path, contentctx=ctx, redirect=()): |
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89 if path not in contentctx: |
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90 return None |
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91 fctx = contentctx[path] |
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92 mctx = context.memfilectx( |
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93 repo, |
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94 memctx, |
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95 fctx.path(), |
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96 fctx.data(), |
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97 fctx.islink(), |
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98 fctx.isexec(), |
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99 copysource=copied.get(path), |
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100 ) |
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101 return mctx |
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102 |
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103 if not files: |
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104 repo.ui.status(_(b"note: keeping empty commit\n")) |
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105 |
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106 if message is None: |
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107 message = ctx.description() |
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108 if not user: |
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109 user = ctx.user() |
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110 if not date: |
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111 date = ctx.date() |
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112 |
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113 new = context.memctx( |
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114 repo, |
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115 parents=[base.node(), repo.nullid], |
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116 text=message, |
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117 files=files, |
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118 filectxfn=filectxfn, |
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119 user=user, |
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120 date=date, |
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121 extra=ctx.extra(), |
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122 ) |
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123 return repo.commitctx(new) |
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124 |
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125 |
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126 @command( |
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127 b'uncommit', |
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128 [ |
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129 (b'', b'keep', None, _(b'allow an empty commit after uncommitting')), |
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130 ( |
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131 b'', |
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132 b'allow-dirty-working-copy', |
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133 False, |
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134 _(b'allow uncommit with outstanding changes'), |
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135 ), |
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136 (b'n', b'note', b'', _(b'store a note on uncommit'), _(b'TEXT')), |
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137 ] |
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138 + commands.walkopts |
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139 + commands.commitopts |
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140 + commands.commitopts2 |
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141 + commands.commitopts3, |
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142 _(b'[OPTION]... [FILE]...'), |
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143 helpcategory=command.CATEGORY_CHANGE_MANAGEMENT, |
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144 ) |
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145 def uncommit(ui, repo, *pats, **opts): |
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146 """uncommit part or all of a local changeset |
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147 |
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148 This command undoes the effect of a local commit, returning the affected |
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149 files to their uncommitted state. This means that files modified or |
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150 deleted in the changeset will be left unchanged, and so will remain |
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151 modified in the working directory. |
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152 |
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153 If no files are specified, the commit will be pruned, unless --keep is |
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154 given. |
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155 """ |
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156 cmdutil.check_note_size(opts) |
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157 cmdutil.resolve_commit_options(ui, opts) |
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158 opts = pycompat.byteskwargs(opts) |
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159 |
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160 with repo.wlock(), repo.lock(): |
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161 |
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162 st = repo.status() |
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163 m, a, r, d = st.modified, st.added, st.removed, st.deleted |
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164 isdirtypath = any(set(m + a + r + d) & set(pats)) |
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165 allowdirtywcopy = opts[ |
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166 b'allow_dirty_working_copy' |
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167 ] or repo.ui.configbool(b'experimental', b'uncommitondirtywdir') |
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168 if not allowdirtywcopy and (not pats or isdirtypath): |
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169 cmdutil.bailifchanged( |
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170 repo, |
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171 hint=_(b'requires --allow-dirty-working-copy to uncommit'), |
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172 ) |
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173 old = repo[b'.'] |
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174 rewriteutil.precheck(repo, [old.rev()], b'uncommit') |
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175 if len(old.parents()) > 1: |
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176 raise error.InputError(_(b"cannot uncommit merge changeset")) |
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177 |
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178 match = scmutil.match(old, pats, opts) |
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179 |
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180 # Check all explicitly given files; abort if there's a problem. |
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181 if match.files(): |
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182 s = old.status(old.p1(), match, listclean=True) |
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183 eligible = set(s.added) | set(s.modified) | set(s.removed) |
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184 |
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185 badfiles = set(match.files()) - eligible |
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186 |
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187 # Naming a parent directory of an eligible file is OK, even |
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188 # if not everything tracked in that directory can be |
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189 # uncommitted. |
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190 if badfiles: |
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191 badfiles -= {f for f in pathutil.dirs(eligible)} |
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192 |
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193 for f in sorted(badfiles): |
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194 if f in s.clean: |
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195 hint = _( |
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196 b"file was not changed in working directory parent" |
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197 ) |
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198 elif repo.wvfs.exists(f): |
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199 hint = _(b"file was untracked in working directory parent") |
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200 else: |
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201 hint = _(b"file does not exist") |
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202 |
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203 raise error.InputError( |
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204 _(b'cannot uncommit "%s"') % scmutil.getuipathfn(repo)(f), |
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205 hint=hint, |
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206 ) |
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207 |
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208 with repo.transaction(b'uncommit'): |
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209 if not (opts[b'message'] or opts[b'logfile']): |
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210 opts[b'message'] = old.description() |
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211 message = cmdutil.logmessage(ui, opts) |
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212 |
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213 keepcommit = pats |
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214 if not keepcommit: |
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215 if opts.get(b'keep') is not None: |
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216 keepcommit = opts.get(b'keep') |
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217 else: |
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218 keepcommit = ui.configbool( |
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219 b'experimental', b'uncommit.keep' |
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220 ) |
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221 newid = _commitfiltered( |
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222 repo, |
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223 old, |
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224 match, |
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225 keepcommit, |
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226 message=message, |
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227 user=opts.get(b'user'), |
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228 date=opts.get(b'date'), |
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229 ) |
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230 if newid is None: |
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231 ui.status(_(b"nothing to uncommit\n")) |
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232 return 1 |
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233 |
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234 mapping = {} |
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235 if newid != old.p1().node(): |
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236 # Move local changes on filtered changeset |
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237 mapping[old.node()] = (newid,) |
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238 else: |
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239 # Fully removed the old commit |
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240 mapping[old.node()] = () |
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241 |
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242 with repo.dirstate.parentchange(): |
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243 scmutil.movedirstate(repo, repo[newid], match) |
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244 |
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245 scmutil.cleanupnodes(repo, mapping, b'uncommit', fixphase=True) |
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246 |
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247 |
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248 def predecessormarkers(ctx): |
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249 """yields the obsolete markers marking the given changeset as a successor""" |
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250 for data in ctx.repo().obsstore.predecessors.get(ctx.node(), ()): |
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251 yield obsutil.marker(ctx.repo(), data) |
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252 |
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253 |
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254 @command( |
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255 b'unamend', |
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256 [], |
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257 helpcategory=command.CATEGORY_CHANGE_MANAGEMENT, |
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258 helpbasic=True, |
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259 ) |
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260 def unamend(ui, repo, **opts): |
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261 """undo the most recent amend operation on a current changeset |
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262 |
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263 This command will roll back to the previous version of a changeset, |
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264 leaving working directory in state in which it was before running |
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265 `hg amend` (e.g. files modified as part of an amend will be |
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266 marked as modified `hg status`) |
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267 """ |
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268 |
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269 unfi = repo.unfiltered() |
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270 with repo.wlock(), repo.lock(), repo.transaction(b'unamend'): |
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271 |
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272 # identify the commit from which to unamend |
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273 curctx = repo[b'.'] |
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274 |
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275 rewriteutil.precheck(repo, [curctx.rev()], b'unamend') |
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276 |
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277 # identify the commit to which to unamend |
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278 markers = list(predecessormarkers(curctx)) |
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279 if len(markers) != 1: |
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280 e = _(b"changeset must have one predecessor, found %i predecessors") |
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281 raise error.InputError(e % len(markers)) |
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282 |
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283 prednode = markers[0].prednode() |
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284 predctx = unfi[prednode] |
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285 |
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286 # add an extra so that we get a new hash |
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287 # note: allowing unamend to undo an unamend is an intentional feature |
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288 extras = predctx.extra() |
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289 extras[b'unamend_source'] = curctx.hex() |
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290 |
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291 def filectxfn(repo, ctx_, path): |
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292 try: |
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293 return predctx.filectx(path) |
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294 except KeyError: |
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295 return None |
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296 |
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297 # Make a new commit same as predctx |
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298 newctx = context.memctx( |
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299 repo, |
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300 parents=(predctx.p1(), predctx.p2()), |
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301 text=predctx.description(), |
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302 files=predctx.files(), |
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303 filectxfn=filectxfn, |
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304 user=predctx.user(), |
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305 date=predctx.date(), |
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306 extra=extras, |
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307 ) |
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308 newprednode = repo.commitctx(newctx) |
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309 newpredctx = repo[newprednode] |
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310 dirstate = repo.dirstate |
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311 |
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312 with dirstate.parentchange(): |
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313 scmutil.movedirstate(repo, newpredctx) |
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314 |
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315 mapping = {curctx.node(): (newprednode,)} |
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316 scmutil.cleanupnodes(repo, mapping, b'unamend', fixphase=True) |