Mercurial > evolve
annotate hgext/evolution.py @ 117:438fe133b068
Add a -o and -O option to graft.
author | Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
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date | Wed, 28 Dec 2011 13:10:24 +0100 |
parents | 64ca29eef349 |
children | 06fe05256a79 |
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1 # states.py - introduce the state concept for mercurial changeset |
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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 # |
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7 # This software may be used and distributed according to the terms of the |
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8 # GNU General Public License version 2 or any later version. |
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9 |
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10 '''A set of command to make changeset evolve.''' |
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11 |
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12 from mercurial import cmdutil |
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13 from mercurial import scmutil |
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14 from mercurial import node |
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15 from mercurial import error |
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16 from mercurial import extensions |
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17 from mercurial import commands |
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18 from mercurial import bookmarks |
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19 from mercurial import phases |
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20 from mercurial import context |
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21 from mercurial import commands |
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22 from mercurial import util |
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23 from mercurial.i18n import _ |
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24 from mercurial.commands import walkopts, commitopts, commitopts2, logopts |
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25 |
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26 ### util function |
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27 ############################# |
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28 def noderange(repo, revsets): |
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29 """The same as revrange but return node""" |
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30 return map(repo.changelog.node, |
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31 scmutil.revrange(repo, revsets)) |
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32 |
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33 ### extension check |
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34 ############################# |
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35 |
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36 def extsetup(ui): |
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37 try: |
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38 obsolete = extensions.find('obsolete') |
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39 except KeyError: |
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40 raise error.Abort(_('evolution extension require obsolete extension.')) |
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41 try: |
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42 rebase = extensions.find('rebase') |
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43 except KeyError: |
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44 raise error.Abort(_('evolution extension require rebase extension.')) |
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45 |
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46 ### changeset rewriting logic |
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47 ############################# |
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48 |
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49 def rewrite(repo, old, updates, head, newbases, commitopts): |
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50 if len(old.parents()) > 1: #XXX remove this unecessary limitation. |
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51 raise error.Abort(_('cannot amend merge changesets')) |
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52 base = old.p1() |
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53 bm = bookmarks.readcurrent(repo) |
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54 |
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55 wlock = repo.wlock() |
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56 try: |
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57 |
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58 # commit a new version of the old changeset, including the update |
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59 # collect all files which might be affected |
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60 files = set(old.files()) |
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61 for u in updates: |
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62 files.update(u.files()) |
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63 # prune files which were reverted by the updates |
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64 def samefile(f): |
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65 if f in head.manifest(): |
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66 a = head.filectx(f) |
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67 if f in base.manifest(): |
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68 b = base.filectx(f) |
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69 return (a.data() == b.data() |
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70 and a.flags() == b.flags() |
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71 and a.renamed() == b.renamed()) |
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72 else: |
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73 return False |
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74 else: |
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75 return f not in base.manifest() |
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76 files = [f for f in files if not samefile(f)] |
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77 # commit version of these files as defined by head |
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78 headmf = head.manifest() |
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79 def filectxfn(repo, ctx, path): |
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80 if path in headmf: |
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81 return head.filectx(path) |
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82 raise IOError() |
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83 if commitopts.get('message') and commitopts.get('logfile'): |
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84 raise util.Abort(_('options --message and --logfile are mutually' |
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85 ' exclusive')) |
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86 if commitopts.get('logfile'): |
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87 message= open(commitopts['logfile']).read() |
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88 elif commitopts.get('message'): |
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89 message = commitopts['message'] |
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90 else: |
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91 message = old.description() |
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92 |
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93 new = context.memctx(repo, |
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94 parents=newbases, |
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95 text=message, |
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96 files=files, |
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97 filectxfn=filectxfn, |
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98 user=commitopts.get('user') or None, |
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99 date=commitopts.get('date') or None, |
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100 extra=commitopts.get('extra') or None) |
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101 newid = repo.commitctx(new) |
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102 new = repo[newid] |
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103 |
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104 # update the bookmark |
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105 if bm: |
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106 repo._bookmarks[bm] = newid |
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107 bookmarks.write(repo) |
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108 |
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109 # hide obsolete csets |
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110 repo.changelog.hiddeninit = False |
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111 |
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112 # add evolution metadata |
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113 repo.addobsolete(new.node(), old.node()) |
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114 for u in updates: |
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115 repo.addobsolete(u.node(), old.node()) |
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116 repo.addobsolete(new.node(), u.node()) |
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117 |
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118 finally: |
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119 wlock.release() |
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120 |
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121 return newid |
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122 |
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123 def relocate(repo, rev, dest): |
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124 """rewrite <rev> on dest""" |
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125 try: |
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126 rebase = extensions.find('rebase') |
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127 # dummy state to trick rebase node |
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128 assert repo[rev].p2().rev() == node.nullrev, 'no support yet' |
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129 cmdutil.duplicatecopies(repo, rev, repo[dest].node(), |
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130 repo[rev].p2().node()) |
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131 rebase.rebasenode(repo, rev, dest, {node.nullrev: node.nullrev}) |
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132 nodenew = rebase.concludenode(repo, rev, dest, node.nullid) |
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133 nodesrc = repo.changelog.node(rev) |
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134 repo.addobsolete(nodenew, nodesrc) |
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135 phases.retractboundary(repo, repo[nodesrc].phase(), [nodenew]) |
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136 oldbookmarks = repo.nodebookmarks(nodesrc) |
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137 for book in oldbookmarks: |
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138 repo._bookmarks[book] = nodenew |
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139 if oldbookmarks: |
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140 bookmarks.write(repo) |
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141 except util.Abort: |
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142 # Invalidate the previous setparents |
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143 repo.dirstate.invalidate() |
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144 raise |
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145 |
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146 |
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147 |
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148 ### new command |
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149 ############################# |
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150 cmdtable = {} |
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151 command = cmdutil.command(cmdtable) |
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152 |
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153 @command('^evolve', |
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154 [], |
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155 '') |
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156 def evolve(ui, repo): |
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157 """suggest the next evolution step""" |
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158 obsolete = extensions.find('obsolete') |
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159 next = min(obsolete.unstables(repo)) |
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160 obs = repo[next].parents()[0] |
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161 if not obs.obsolete(): |
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162 obs = next.parents()[1] |
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163 assert obs.obsolete() |
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164 newer = obsolete.newerversion(repo, obs.node()) |
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165 target = newer[-1] |
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166 repo.ui.status('hg relocate --rev %s %s\n' % (repo[next], repo[target])) |
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167 |
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168 @command('^relocate', |
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169 [ |
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170 ('r', 'rev', '.', |
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171 _('revision to relocate')), |
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172 ], |
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173 '') |
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174 def cmdrelocate(ui, repo, dest, rev='.'): |
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175 """relocate a changeset""" |
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176 wlock = repo.wlock() |
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177 try: |
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178 src = scmutil.revsingle(repo, rev, rev) |
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179 dest = scmutil.revsingle(repo, dest, dest) |
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180 if src == src.ancestor(dest): |
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181 raise util.Abort(_('source is ancestor of destination')) |
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182 relocate(repo, src.rev(), dest.rev()) |
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183 return 0 |
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184 finally: |
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185 wlock.release() |
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186 |
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187 |
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188 |
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189 @command('^kill', |
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190 [], |
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191 '<revs>') |
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192 def kill(ui, repo, *revs): |
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193 """mark a changeset as obsolete |
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194 |
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195 This update the parent directory to a not-killed parent if the current |
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196 working directory parent are killed. |
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197 |
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198 XXX bookmark support |
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199 XXX handle merge |
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200 XXX check immutable first |
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201 """ |
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202 wlock = repo.wlock() |
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203 try: |
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204 targetnodes = set(noderange(repo, revs)) |
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205 for n in targetnodes: |
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206 repo.addobsolete(node.nullid, n) |
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207 # update to an unkilled parent |
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208 wdp = repo['.'] |
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209 newnode = wdp |
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210 while newnode.obsolete(): |
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211 newnode = newnode.parents()[0] |
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212 if newnode.node() != wdp.node(): |
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213 commands.update(ui, repo, newnode.rev()) |
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214 ui.status(_('working directory now at %s\n') % newnode) |
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215 |
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216 finally: |
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217 wlock.release() |
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218 |
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219 @command('^amend', |
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220 [('A', 'addremove', None, |
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221 _('mark new/missing files as added/removed before committing')), |
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222 ('n', 'note', '', |
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223 _('use text as commit message for this update')), |
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224 ('c', 'change', '', |
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225 _('specifies the changeset to amend'), _('REV')), |
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226 ('b', 'branch', '', |
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227 _('specifies a branch for the new.'), _('REV')), |
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228 ('e', 'edit', False, |
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229 _('edit commit message.'), _('')), |
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230 ] + walkopts + commitopts + commitopts2, |
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231 _('[OPTION]... [FILE]...')) |
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232 |
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233 def amend(ui, repo, *pats, **opts): |
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234 """combine a changeset with updates and replace it with a new one |
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235 |
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236 Commits a new changeset incorporating both the changes to the given files |
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237 and all the changes from the current parent changeset into the repository. |
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238 |
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239 See :hg:`commit` for details about committing changes. |
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240 |
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241 If you don't specify -m, the parent's message will be reused. |
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242 |
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243 If you specify --change, amend additionally considers all changesets between |
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244 the indicated changeset and the working copy parent as updates to be subsumed. |
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245 This allows you to commit updates manually first. As a special shorthand you |
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246 can say `--amend .` instead of '--amend p1(p1())', which subsumes your latest |
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247 commit as an update of its parent. |
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248 |
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249 Behind the scenes, Mercurial first commits the update as a regular child |
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250 of the current parent. Then it creates a new commit on the parent's parents |
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251 with the updated contents. Then it changes the working copy parent to this |
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252 new combined changeset. Finally, the old changeset and its update are hidden |
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253 from :hg:`log` (unless you use --hidden with log). |
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254 |
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255 Returns 0 on success, 1 if nothing changed. |
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256 """ |
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257 |
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258 # determine updates to subsume |
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259 change = opts.get('change') |
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260 if change == '.': |
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261 change = 'p1(p1())' |
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262 old = scmutil.revsingle(repo, change) |
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263 branch = opts.get('branch') |
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264 if branch: |
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265 opts.setdefault('extra', {})['branch'] = branch |
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266 |
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267 wlock = repo.wlock() |
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268 try: |
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269 if not old.phase(): |
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270 raise util.Abort(_("can not rewrite immutable changeset %s") % old) |
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271 |
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272 # commit current changes as update |
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273 # code copied from commands.commit to avoid noisy messages |
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274 ciopts = dict(opts) |
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275 ciopts.pop('message', None) |
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276 ciopts.pop('logfile', None) |
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277 ciopts['message'] = opts.get('note') or ('amends %s' % old.hex()) |
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278 e = cmdutil.commiteditor |
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279 if ciopts.get('edit'): |
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280 e = cmdutil.commitforceeditor |
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281 def commitfunc(ui, repo, message, match, opts): |
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282 return repo.commit(message, opts.get('user'), opts.get('date'), match, |
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283 editor=e) |
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284 cmdutil.commit(ui, repo, commitfunc, pats, ciopts) |
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285 |
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286 # find all changesets to be considered updates |
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287 cl = repo.changelog |
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288 head = repo['.'] |
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289 updatenodes = set(cl.nodesbetween(roots=[old.node()], |
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290 heads=[head.node()])[0]) |
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291 updatenodes.remove(old.node()) |
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292 if not updatenodes and not (opts.get('message') or opts.get('logfile')): |
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293 raise error.Abort(_('no updates found')) |
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294 updates = [repo[n] for n in updatenodes] |
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295 |
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296 # perform amend |
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297 newid = rewrite(repo, old, updates, head, |
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298 [old.p1().node(), old.p2().node()], opts) |
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299 |
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300 # reroute the working copy parent to the new changeset |
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301 phases.retractboundary(repo, old.phase(), [newid]) |
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302 repo.dirstate.setparents(newid, node.nullid) |
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303 |
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304 finally: |
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305 wlock.release() |
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306 |
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307 def commitwrapper(orig, ui, repo, *arg, **kwargs): |
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308 obsoleted = kwargs.get('obsolete', []) |
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309 if obsoleted: |
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310 obsoleted = repo.set('%lr', obsoleted) |
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311 result = orig(ui, repo, *arg, **kwargs) |
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312 if not result: # commit successed |
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313 new = repo['-1'] |
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314 for old in obsoleted: |
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315 repo.addobsolete(new.node(), old.node()) |
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316 return result |
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317 |
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318 def graftwrapper(orig, ui, repo, *revs, **kwargs): |
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319 if kwargs.get('old_obsolete'): |
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320 obsoleted = kwargs.setdefault('obsolete', []) |
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321 if kwargs['continue']: |
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322 obsoleted.extend(repo.opener.read('graftstate').splitlines()) |
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323 else: |
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324 obsoleted.extend(revs) |
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325 return commitwrapper(orig, ui, repo,*revs, **kwargs) |
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326 |
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Add a -o option to commit
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327 def extsetup(ui): |
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328 entry = extensions.wrapcommand(commands.table, 'commit', commitwrapper) |
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329 entry[1].append(('o', 'obsolete', [], _("this commit obsolet this revision"))) |
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Add a -o and -O option to graft.
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
116
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330 entry = extensions.wrapcommand(commands.table, 'graft', graftwrapper) |
438fe133b068
Add a -o and -O option to graft.
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
116
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changeset
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331 entry[1].append(('o', 'obsolete', [], _("this graft obsolet this revision"))) |
438fe133b068
Add a -o and -O option to graft.
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
116
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changeset
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332 entry[1].append(('O', 'old-obsolete', False, _("graft result obsolete graft source"))) |
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Add a -o option to commit
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
113
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333 |