Mercurial > hg
annotate hgext/uncommit.py @ 50987:727428c7e1fc
commands: add admin namespace
In order to stop abusing the 'debug' namespace for non-debug command,
it adds a new 'admin' namespace dedicated to 'admin' operations on a
repository (i.e commands suitable for administration tasks).
This namespace entry would be used to migrate in the future some
existing commands from the 'debug' namespace, or other top level
commands that may not be directly exposed to end users.
(verify command is a perfect candidate for this case)
author | Franck Bret <franck.bret@octobus.net> |
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date | Wed, 25 Jan 2023 15:33:39 +0100 |
parents | 2eca8b5c8cbd |
children | 493034cc3265 |
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 |
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21 from mercurial.i18n import _ |
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22 |
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23 from mercurial import ( |
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24 cmdutil, |
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25 commands, |
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26 context, |
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27 copies as copiesmod, |
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28 error, |
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29 obsutil, |
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30 pathutil, |
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31 pycompat, |
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32 registrar, |
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33 rewriteutil, |
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34 scmutil, |
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35 ) |
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36 |
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37 cmdtable = {} |
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38 command = registrar.command(cmdtable) |
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39 |
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40 configtable = {} |
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41 configitem = registrar.configitem(configtable) |
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42 |
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43 configitem( |
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44 b'experimental', |
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45 b'uncommitondirtywdir', |
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46 default=False, |
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47 ) |
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48 configitem( |
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49 b'experimental', |
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50 b'uncommit.keep', |
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51 default=False, |
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52 ) |
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53 |
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54 # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for |
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55 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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56 # be specifying the version(s) of Mercurial they are tested with, or |
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57 # leave the attribute unspecified. |
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58 testedwith = b'ships-with-hg-core' |
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59 |
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60 |
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61 def _commitfiltered( |
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62 repo, ctx, match, keepcommit, message=None, user=None, date=None |
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63 ): |
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64 """Recommit ctx with changed files not in match. Return the new |
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65 node identifier, or None if nothing changed. |
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66 """ |
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67 base = ctx.p1() |
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68 # ctx |
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69 initialfiles = set(ctx.files()) |
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70 exclude = {f for f in initialfiles if match(f)} |
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71 |
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72 # No files matched commit, so nothing excluded |
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73 if not exclude: |
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74 return None |
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75 |
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76 # return the p1 so that we don't create an obsmarker later |
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77 if not keepcommit: |
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78 return ctx.p1().node() |
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79 |
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80 files = initialfiles - exclude |
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81 # Filter copies |
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82 copied = copiesmod.pathcopies(base, ctx) |
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83 copied = {dst: src for dst, src in copied.items() if dst in files} |
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84 |
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85 def filectxfn(repo, memctx, path, contentctx=ctx, redirect=()): |
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86 if path not in contentctx: |
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87 return None |
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88 fctx = contentctx[path] |
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89 mctx = context.memfilectx( |
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90 repo, |
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91 memctx, |
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92 fctx.path(), |
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93 fctx.data(), |
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94 fctx.islink(), |
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95 fctx.isexec(), |
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96 copysource=copied.get(path), |
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97 ) |
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98 return mctx |
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99 |
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100 if not files: |
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101 repo.ui.status(_(b"note: keeping empty commit\n")) |
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102 |
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103 if message is None: |
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104 message = ctx.description() |
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105 if not user: |
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106 user = ctx.user() |
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107 if not date: |
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108 date = ctx.date() |
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109 |
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110 new = context.memctx( |
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111 repo, |
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112 parents=[base.node(), repo.nullid], |
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113 text=message, |
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114 files=files, |
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115 filectxfn=filectxfn, |
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116 user=user, |
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117 date=date, |
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118 extra=ctx.extra(), |
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119 ) |
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120 return repo.commitctx(new) |
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121 |
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122 |
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123 @command( |
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124 b'uncommit', |
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125 [ |
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126 (b'', b'keep', None, _(b'allow an empty commit after uncommitting')), |
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127 ( |
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128 b'', |
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129 b'allow-dirty-working-copy', |
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130 False, |
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131 _(b'allow uncommit with outstanding changes'), |
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132 ), |
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133 (b'n', b'note', b'', _(b'store a note on uncommit'), _(b'TEXT')), |
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134 ] |
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135 + commands.walkopts |
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136 + commands.commitopts |
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137 + commands.commitopts2 |
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138 + commands.commitopts3, |
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139 _(b'[OPTION]... [FILE]...'), |
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140 helpcategory=command.CATEGORY_CHANGE_MANAGEMENT, |
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141 ) |
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142 def uncommit(ui, repo, *pats, **opts): |
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143 """uncommit part or all of a local changeset |
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144 |
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145 This command undoes the effect of a local commit, returning the affected |
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146 files to their uncommitted state. This means that files modified or |
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147 deleted in the changeset will be left unchanged, and so will remain |
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148 modified in the working directory. |
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149 |
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150 If no files are specified, the commit will be pruned, unless --keep is |
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151 given. |
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152 """ |
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153 cmdutil.check_note_size(opts) |
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154 cmdutil.resolve_commit_options(ui, opts) |
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155 |
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156 with repo.wlock(), repo.lock(): |
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157 |
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158 st = repo.status() |
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159 m, a, r, d = st.modified, st.added, st.removed, st.deleted |
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160 isdirtypath = any(set(m + a + r + d) & set(pats)) |
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161 allowdirtywcopy = opts[ |
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162 'allow_dirty_working_copy' |
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163 ] or repo.ui.configbool(b'experimental', b'uncommitondirtywdir') |
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164 if not allowdirtywcopy and (not pats or isdirtypath): |
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165 cmdutil.bailifchanged( |
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166 repo, |
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167 hint=_(b'requires --allow-dirty-working-copy to uncommit'), |
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168 ) |
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169 old = repo[b'.'] |
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170 rewriteutil.precheck(repo, [old.rev()], b'uncommit') |
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171 if len(old.parents()) > 1: |
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172 raise error.InputError(_(b"cannot uncommit merge changeset")) |
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173 |
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174 match = scmutil.match(old, pats, pycompat.byteskwargs(opts)) |
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175 |
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176 # Check all explicitly given files; abort if there's a problem. |
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177 if match.files(): |
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178 s = old.status(old.p1(), match, listclean=True) |
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179 eligible = set(s.added) | set(s.modified) | set(s.removed) |
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180 |
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181 badfiles = set(match.files()) - eligible |
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182 |
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183 # Naming a parent directory of an eligible file is OK, even |
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184 # if not everything tracked in that directory can be |
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185 # uncommitted. |
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186 if badfiles: |
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187 badfiles -= {f for f in pathutil.dirs(eligible)} |
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188 |
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189 for f in sorted(badfiles): |
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190 if f in s.clean: |
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191 hint = _( |
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192 b"file was not changed in working directory parent" |
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193 ) |
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194 elif repo.wvfs.exists(f): |
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195 hint = _(b"file was untracked in working directory parent") |
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196 else: |
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197 hint = _(b"file does not exist") |
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198 |
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199 raise error.InputError( |
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200 _(b'cannot uncommit "%s"') % scmutil.getuipathfn(repo)(f), |
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201 hint=hint, |
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202 ) |
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203 |
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204 with repo.transaction(b'uncommit'): |
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205 if not (opts['message'] or opts['logfile']): |
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206 opts['message'] = old.description() |
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207 message = cmdutil.logmessage(ui, pycompat.byteskwargs(opts)) |
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208 |
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209 keepcommit = pats |
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210 if not keepcommit: |
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211 if opts.get('keep') is not None: |
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212 keepcommit = opts.get('keep') |
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213 else: |
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214 keepcommit = ui.configbool( |
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215 b'experimental', b'uncommit.keep' |
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216 ) |
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217 newid = _commitfiltered( |
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218 repo, |
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219 old, |
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220 match, |
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221 keepcommit, |
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222 message=message, |
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223 user=opts.get('user'), |
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224 date=opts.get('date'), |
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225 ) |
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226 if newid is None: |
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227 ui.status(_(b"nothing to uncommit\n")) |
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228 return 1 |
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229 |
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230 mapping = {} |
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231 if newid != old.p1().node(): |
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232 # Move local changes on filtered changeset |
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233 mapping[old.node()] = (newid,) |
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234 else: |
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235 # Fully removed the old commit |
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236 mapping[old.node()] = () |
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237 |
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238 with repo.dirstate.changing_parents(repo): |
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239 scmutil.movedirstate(repo, repo[newid], match) |
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240 |
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241 scmutil.cleanupnodes(repo, mapping, b'uncommit', fixphase=True) |
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242 |
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243 |
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244 def predecessormarkers(ctx): |
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245 """yields the obsolete markers marking the given changeset as a successor""" |
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246 for data in ctx.repo().obsstore.predecessors.get(ctx.node(), ()): |
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247 yield obsutil.marker(ctx.repo(), data) |
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248 |
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249 |
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250 @command( |
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251 b'unamend', |
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252 [], |
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253 helpcategory=command.CATEGORY_CHANGE_MANAGEMENT, |
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254 helpbasic=True, |
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255 ) |
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256 def unamend(ui, repo, **opts): |
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257 """undo the most recent amend operation on a current changeset |
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258 |
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259 This command will roll back to the previous version of a changeset, |
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260 leaving working directory in state in which it was before running |
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261 `hg amend` (e.g. files modified as part of an amend will be |
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262 marked as modified `hg status`) |
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263 """ |
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264 |
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265 unfi = repo.unfiltered() |
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266 with repo.wlock(), repo.lock(), repo.transaction(b'unamend'): |
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267 |
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268 # identify the commit from which to unamend |
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269 curctx = repo[b'.'] |
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270 |
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271 rewriteutil.precheck(repo, [curctx.rev()], b'unamend') |
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272 if len(curctx.parents()) > 1: |
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273 raise error.InputError(_(b"cannot unamend merge changeset")) |
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274 |
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275 expected_keys = (b'amend_source', b'unamend_source') |
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276 if not any(key in curctx.extra() for key in expected_keys): |
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277 raise error.InputError( |
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278 _( |
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279 b"working copy parent was not created by 'hg amend' or " |
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280 b"'hg unamend'" |
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281 ) |
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282 ) |
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283 |
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284 # identify the commit to which to unamend |
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285 markers = list(predecessormarkers(curctx)) |
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286 if len(markers) != 1: |
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287 e = _(b"changeset must have one predecessor, found %i predecessors") |
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288 raise error.InputError(e % len(markers)) |
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289 |
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290 prednode = markers[0].prednode() |
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291 predctx = unfi[prednode] |
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292 |
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293 # add an extra so that we get a new hash |
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294 # note: allowing unamend to undo an unamend is an intentional feature |
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295 extras = predctx.extra() |
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296 extras[b'unamend_source'] = curctx.hex() |
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297 |
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298 def filectxfn(repo, ctx_, path): |
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299 try: |
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300 return predctx.filectx(path) |
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301 except KeyError: |
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302 return None |
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303 |
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304 # Make a new commit same as predctx |
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305 newctx = context.memctx( |
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306 repo, |
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307 parents=(predctx.p1(), predctx.p2()), |
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308 text=predctx.description(), |
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309 files=predctx.files(), |
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310 filectxfn=filectxfn, |
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311 user=predctx.user(), |
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312 date=predctx.date(), |
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313 extra=extras, |
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314 ) |
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315 newprednode = repo.commitctx(newctx) |
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316 newpredctx = repo[newprednode] |
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317 dirstate = repo.dirstate |
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318 |
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319 with dirstate.changing_parents(repo): |
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320 scmutil.movedirstate(repo, newpredctx) |
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321 |
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322 mapping = {curctx.node(): (newprednode,)} |
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323 scmutil.cleanupnodes(repo, mapping, b'unamend', fixphase=True) |