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annotate mercurial/cmd_impls/graft.py @ 52379:0facc743b92f

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graft: fix a few typos in doc comments
author Matt Harbison <matt_harbison@yahoo.com>
date Fri, 29 Nov 2024 19:24:07 -0500
parents 1802d9afddf7
children 99615755fb8e
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1 # graft.py - implementation of the graft command
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2
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3 from ..i18n import _
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4
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5 from .. import cmdutil, error, logcmdutil, merge as mergemod, state as statemod
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6
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7
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8 def cmd_graft(ui, repo, *revs, **opts):
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9 """implement the graft command as defined in mercurial/commands.py"""
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10 ret = _process_args(ui, repo, *revs, **opts)
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11 action, graftstate, args = ret
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12 if action == "ERROR":
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13 return -1
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14 elif action == "ABORT":
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15 assert args is None
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16 return cmdutil.abortgraft(ui, repo, graftstate)
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17 elif action == "STOP":
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18 assert args is None
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19 return _stopgraft(ui, repo, graftstate)
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20 elif action == "GRAFT":
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21 return _graft_revisions(ui, repo, graftstate, *args)
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22 else:
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23 raise error.ProgrammingError('unknown action: %s' % action)
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24
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25
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26 def _process_args(ui, repo, *revs, **opts):
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27 """process the graft command argument to figure out what to do
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28
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29 This also filter the selected revision to skip the one that cannot be graft
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30 or were already grafted.
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31 """
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32 if revs and opts.get('rev'):
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33 ui.warn(
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34 _(
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35 b'warning: inconsistent use of --rev might give unexpected '
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36 b'revision ordering!\n'
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37 )
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38 )
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39
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40 revs = list(revs)
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41 revs.extend(opts.get('rev'))
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42 # a dict of data to be stored in state file
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43 statedata = {}
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44 # list of new nodes created by ongoing graft
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45 statedata[b'newnodes'] = []
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46
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47 # argument incompatible with followup from an interrupted operation
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48 commit_args = ['edit', 'log', 'user', 'date', 'currentdate', 'currentuser']
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49 nofollow_args = commit_args + ['base', 'rev']
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50
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51 arg_compatibilities = [
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52 ('no_commit', commit_args),
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53 ('stop', nofollow_args),
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54 ('abort', nofollow_args),
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55 ]
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56 cmdutil.check_at_most_one_arg(opts, 'abort', 'stop', 'continue')
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57 for arg, incompatible in arg_compatibilities:
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58 cmdutil.check_incompatible_arguments(opts, arg, incompatible)
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59
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60 cmdutil.resolve_commit_options(ui, opts)
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61
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62 cont = False
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63
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64 graftstate = statemod.cmdstate(repo, b'graftstate')
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65
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66 if opts.get('stop'):
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67 return "STOP", graftstate, None
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68 elif opts.get('abort'):
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69 return "ABORT", graftstate, None
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70 elif opts.get('continue'):
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71 cont = True
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72 if revs:
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73 raise error.InputError(_(b"can't specify --continue and revisions"))
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74 # read in unfinished revisions
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75 if graftstate.exists():
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76 statedata = cmdutil.readgraftstate(repo, graftstate)
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77 if statedata.get(b'no_commit'):
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78 opts['no_commit'] = statedata.get(b'no_commit')
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79 if statedata.get(b'base'):
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80 opts['base'] = statedata.get(b'base')
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81 nodes = statedata[b'nodes']
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82 revs = [repo[node].rev() for node in nodes]
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83 else:
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84 cmdutil.wrongtooltocontinue(repo, _(b'graft'))
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85 elif not revs:
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86 raise error.InputError(_(b'no revisions specified'))
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87 else:
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88 cmdutil.checkunfinished(repo)
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89 cmdutil.bailifchanged(repo)
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90 revs = logcmdutil.revrange(repo, revs)
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91
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92 for o in (
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93 b'date',
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94 b'user',
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95 b'log',
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96 b'no_commit',
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97 b'dry_run',
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98 ):
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99 v = opts.get(o.decode('ascii'))
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100 # if statedata is already set, it comes from --continue and test says
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101 # we should honor them above the options (which seems weird).
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102 if v and o not in statedata:
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103 statedata[o] = v
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104
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105 skipped = set()
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106 basectx = None
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107 if opts.get('base'):
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108 basectx = logcmdutil.revsingle(repo, opts['base'], None)
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109 statedata[b'base'] = basectx.hex()
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110 if basectx is None:
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111 # check for merges
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112 for rev in repo.revs(b'%ld and merge()', revs):
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113 ui.warn(_(b'skipping ungraftable merge revision %d\n') % rev)
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114 skipped.add(rev)
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115 revs = [r for r in revs if r not in skipped]
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116 if not revs:
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117 return "ERROR", None, None
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118 if basectx is not None and len(revs) != 1:
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119 raise error.InputError(_(b'only one revision allowed with --base '))
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120
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121 # Don't check in the --continue case, in effect retaining --force across
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122 # --continues. That's because without --force, any revisions we decided to
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123 # skip would have been filtered out here, so they wouldn't have made their
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124 # way to the graftstate. With --force, any revisions we would have otherwise
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125 # skipped would not have been filtered out, and if they hadn't been applied
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126 # already, they'd have been in the graftstate.
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127 if not (cont or opts.get('force')) and basectx is None:
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128 # check for ancestors of dest branch
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129 ancestors = repo.revs(b'%ld & (::.)', revs)
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130 for rev in ancestors:
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131 ui.warn(_(b'skipping ancestor revision %d:%s\n') % (rev, repo[rev]))
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132
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133 revs = [r for r in revs if r not in ancestors]
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134
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135 if not revs:
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136 return "ERROR", None, None
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137
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138 # analyze revs for earlier grafts
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139 ids = {}
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140 for ctx in repo.set(b"%ld", revs):
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141 ids[ctx.hex()] = ctx.rev()
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142 n = ctx.extra().get(b'source')
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143 if n:
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144 ids[n] = ctx.rev()
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145
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146 # check ancestors for earlier grafts
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147 ui.debug(b'scanning for duplicate grafts\n')
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148
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149 # The only changesets we can be sure doesn't contain grafts of any
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150 # revs, are the ones that are common ancestors of *all* revs:
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151 for rev in repo.revs(b'only(%d,ancestor(%ld))', repo[b'.'].rev(), revs):
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152 ctx = repo[rev]
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153 n = ctx.extra().get(b'source')
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154 if n in ids:
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155 try:
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156 r = repo[n].rev()
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157 except error.RepoLookupError:
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158 r = None
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159 if r in revs:
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160 ui.warn(
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161 _(
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162 b'skipping revision %d:%s '
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163 b'(already grafted to %d:%s)\n'
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164 )
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165 % (r, repo[r], rev, ctx)
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166 )
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167 revs.remove(r)
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168 elif ids[n] in revs:
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169 if r is None:
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170 ui.warn(
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171 _(
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172 b'skipping already grafted revision %d:%s '
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173 b'(%d:%s also has unknown origin %s)\n'
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174 )
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175 % (ids[n], repo[ids[n]], rev, ctx, n[:12])
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176 )
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177 else:
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178 ui.warn(
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179 _(
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180 b'skipping already grafted revision %d:%s '
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181 b'(%d:%s also has origin %d:%s)\n'
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182 )
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183 % (ids[n], repo[ids[n]], rev, ctx, r, n[:12])
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184 )
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185 revs.remove(ids[n])
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186 elif ctx.hex() in ids:
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187 r = ids[ctx.hex()]
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188 if r in revs:
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189 ui.warn(
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190 _(
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191 b'skipping already grafted revision %d:%s '
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192 b'(was grafted from %d:%s)\n'
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193 )
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194 % (r, repo[r], rev, ctx)
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195 )
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196 revs.remove(r)
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197 if not revs:
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198 return "ERROR", None, None
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199
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200 editor = cmdutil.getcommiteditor(editform=b'graft', **opts)
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201 dry_run = bool(opts.get("dry_run"))
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202 tool = opts.get('tool', b'')
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203 return "GRAFT", graftstate, (statedata, revs, editor, cont, dry_run, tool)
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204
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205
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206 def _graft_revisions(
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207 ui,
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208 repo,
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209 graftstate,
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210 statedata,
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211 revs,
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212 editor,
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213 cont=False,
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214 dry_run=False,
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215 tool=b'',
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216 ):
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217 """actually graft some revisions"""
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218 for pos, ctx in enumerate(repo.set(b"%ld", revs)):
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219 desc = b'%d:%s "%s"' % (
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220 ctx.rev(),
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221 ctx,
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222 ctx.description().split(b'\n', 1)[0],
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223 )
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224 names = repo.nodetags(ctx.node()) + repo.nodebookmarks(ctx.node())
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225 if names:
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226 desc += b' (%s)' % b' '.join(names)
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227 ui.status(_(b'grafting %s\n') % desc)
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228 if dry_run:
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229 continue
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230
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231 source = ctx.extra().get(b'source')
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232 extra = {}
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233 if source:
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234 extra[b'source'] = source
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235 extra[b'intermediate-source'] = ctx.hex()
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236 else:
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237 extra[b'source'] = ctx.hex()
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238 user = statedata.get(b'user', ctx.user())
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239 date = statedata.get(b'date', ctx.date())
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240 message = ctx.description()
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241 if statedata.get(b'log'):
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242 message += b'\n(grafted from %s)' % ctx.hex()
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243
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244 # we don't merge the first commit when continuing
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245 if not cont:
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246 # perform the graft merge with p1(rev) as 'ancestor'
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247 overrides = {(b'ui', b'forcemerge'): tool}
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248 if b'base' in statedata:
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249 base = repo[statedata[b'base']]
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250 else:
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251 base = ctx.p1()
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252 with ui.configoverride(overrides, b'graft'):
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253 stats = mergemod.graft(
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254 repo, ctx, base, [b'local', b'graft', b'parent of graft']
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255 )
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256 # report any conflicts
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257 if stats.unresolvedcount > 0:
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258 # write out state for --continue
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259 nodes = [repo[rev].hex() for rev in revs[pos:]]
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260 statedata[b'nodes'] = nodes
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261 stateversion = 1
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262 graftstate.save(stateversion, statedata)
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263 ui.error(_(b"abort: unresolved conflicts, can't continue\n"))
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264 ui.error(_(b"(use 'hg resolve' and 'hg graft --continue')\n"))
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265 return 1
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266 else:
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267 cont = False
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268
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269 # commit if --no-commit is false
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270 if not statedata.get(b'no_commit'):
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271 node = repo.commit(
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272 text=message, user=user, date=date, extra=extra, editor=editor
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273 )
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274 if node is None:
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275 ui.warn(
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276 _(b'note: graft of %d:%s created no changes to commit\n')
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277 % (ctx.rev(), ctx)
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278 )
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279 # checking that newnodes exist because old state files won't have it
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280 elif statedata.get(b'newnodes') is not None:
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281 nn = statedata[b'newnodes']
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282 assert isinstance(nn, list) # list of bytes
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283 nn.append(node)
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284
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285 # remove state when we complete successfully
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286 if not dry_run:
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287 graftstate.delete()
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288
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289 return 0
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290
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291
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292 def _stopgraft(ui, repo, graftstate):
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293 """stop the interrupted graft"""
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294 if not graftstate.exists():
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295 raise error.StateError(_(b"no interrupted graft found"))
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296 pctx = repo[b'.']
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297 mergemod.clean_update(pctx)
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298 graftstate.delete()
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299 ui.status(_(b"stopped the interrupted graft\n"))
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300 ui.status(_(b"working directory is now at %s\n") % pctx.hex()[:12])
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301 return 0