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annotate hgext/qsync.py @ 220:ff3158d0d7e8

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qsync: support for synchronisation with applied patches from outer space and more :more: - also add some tests - kill OLDBRANCHNAME - several minor cleaning
author David Douard <david.douard@logilab.fr>
date Fri, 04 May 2012 14:33:35 +0200
parents 9400e234b3d7
children 5a17c0d41a00
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 import re
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3 from cStringIO import StringIO
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4 import json
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5
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6 from mercurial.i18n import _
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7 from mercurial import commands
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8 from mercurial import patch
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9 from mercurial import util
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10 from mercurial.node import nullid, hex, short, bin
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11 from mercurial import cmdutil
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12 from mercurial import hg
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13 from mercurial import scmutil
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14 from mercurial import error
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15 from mercurial import extensions
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16 from mercurial import phases
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17
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18 ### old compat code
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19 #############################
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20
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21 BRANCHNAME="qsubmit2"
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22
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23 ### new command
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24 #############################
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25 cmdtable = {}
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26 command = cmdutil.command(cmdtable)
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27
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28 @command('^qsync|sync',
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29 [
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30 ('a', 'review-all', False, _('mark all touched patches ready for review (no editor)')),
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31 ],
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32 '')
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33 def cmdsync(ui, repo, **opts):
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34 '''Export draft changeset as mq patch in a mq patches repository commit.
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35
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36 This command get all changesets in draft phase and create an mq changeset:
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37
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38 * on a "qsubmit2" branch (based on the last changeset)
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39
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40 * one patch per draft changeset
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41
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42 * a series files listing all generated patch
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43
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44 * qsubmitdata holding useful information
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45
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46 It does use obsolete relation to update patches that already existing in the qsubmit2 branch.
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47
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48 Already existing patch which became public, draft or got killed are remove from the mq repo.
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49
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50 Patch name are generated using the summary line for changeset description.
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51
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52 .. warning:: Series files is ordered topologically. So two series with
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53 interleaved changeset will appear interleaved.
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54 '''
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55
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56 review = 'edit'
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57 if opts['review_all']:
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58 review = 'all'
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59 mqrepo = repo.mq.qrepo()
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60 try:
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61 parent = mqrepo[BRANCHNAME]
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62 except error.RepoLookupError:
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63 parent = initqsubmit(mqrepo)
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64 store, data, touched = fillstore(repo, parent)
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65 if not touched:
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66 raise util.Abort('Nothing changed')
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67 files = ['qsubmitdata', 'series'] + touched
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68 # mark some as ready for review
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69 message = 'qsubmit commit\n\n'
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70 review_list = []
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71 applied_list = []
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72 if review:
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73 olddata = get_old_data(parent)
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74 oldfiles = dict([(name, ctxhex) for ctxhex, name in olddata])
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75
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76 for patch_name in touched:
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77 try:
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78 store.getfile(patch_name)
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79 review_list.append(patch_name)
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80 except IOError:
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81 oldnode = oldfiles[patch_name]
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82 obsolete = extensions.find('obsolete')
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83 newnodes = obsolete.newerversion(repo, oldnode)
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84 if newnodes:
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85 newnodes = [n for n in newnodes if n] # remove killing
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86 if not newnodes:
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87 # changeset has been killed (eg. reject)
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88 pass
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89 else:
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90 assert len(newnodes) == 1 # conflict!!!
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91 newnode = newnodes[0]
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92 assert len(newnode) == 1 # split unsupported for now
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93 newnode = list(newnode)[0]
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94 # XXX unmanaged case where a cs is obsoleted by an unavailable one
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95 #if newnode.node() not in repo.changelog.nodemap:
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96 # raise util.Abort('%s is obsoleted by an unknown node %s'% (oldnode, newnode))
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97 ctx = repo[newnode]
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98 if ctx.phase() == phases.public:
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99 # applied
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100 applied_list.append(patch_name)
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101 elif ctx.phase() == phases.secret:
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102 # already exported changeset is now secret
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103 repo.ui.warn("An already exported changeset is now secret!!!")
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104 else:
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105 # draft
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106 assert False, "Should be exported"
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107
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108 if review:
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109 message += '\n'.join('* applied %s' % x for x in applied_list)
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110 message += '\n'.join('* %s ready for review' % x for x in review_list)
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111 memctx = patch.makememctx(mqrepo, (parent.node(), nullid),
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112 message,
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113 None,
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114 None,
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115 parent.branch(), files, store,
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116 editor=None)
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117 if review == 'edit':
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118 memctx._text = cmdutil.commitforceeditor(mqrepo, memctx, [])
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119 mqrepo.savecommitmessage(memctx.description())
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120 n = memctx.commit()
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121 return 0
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122
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123
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124 def makename(ctx):
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125 """create a patch name form a changeset"""
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126 descsummary = ctx.description().splitlines()[0]
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127 descsummary = re.sub(r'\s+', '_', descsummary)
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128 descsummary = re.sub(r'\W+', '', descsummary)
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129 if len(descsummary) > 45:
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130 descsummary = descsummary[:42] + '.'
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131 return '%s-%s.diff' % (ctx.branch().upper(), descsummary)
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132
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133
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134 def get_old_data(mqctx):
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135 """read qsubmit data to fetch previous export data
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136
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137 get old data from the content of an mq commit"""
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138 try:
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139 old_data = mqctx['qsubmitdata']
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140 return json.loads(old_data.data())
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141 except error.LookupError:
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142 return []
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143
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144 def get_current_data(repo):
220
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145 """Return what would be exported if no previous data exists"""
153
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146 data = []
195
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147 for ctx in repo.set('draft() - (obsolete() + merge())'):
153
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148 name = makename(ctx)
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149 data.append([ctx.hex(), makename(ctx)])
195
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150 merges = repo.revs('draft() and merge()')
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151 if merges:
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152 repo.ui.warn('ignoring %i merge\n' % len(merges))
153
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153 return data
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154
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155
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156 def patchmq(repo, store, olddata, newdata):
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157 """export the mq patches and return all useful data to be exported"""
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158 finaldata = []
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159 touched = set()
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160 currentdrafts = set(d[0] for d in newdata)
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161 usednew = set()
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162 usedold = set()
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163 obsolete = extensions.find('obsolete')
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164 for oldhex, oldname in olddata:
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165 if oldhex in usedold:
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166 continue # no duplicate
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167 usedold.add(oldhex)
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168 oldname = str(oldname)
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169 oldnode = bin(oldhex)
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170 newnodes = obsolete.newerversion(repo, oldnode)
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171 if newnodes:
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172 newnodes = [n for n in newnodes if n] # remove killing
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173 if len(newnodes) > 1:
201
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174 newnodes = [short(nodes[0]) for nodes in newnodes]
153
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175 raise util.Abort('%s have more than one newer version: %s'% (oldname, newnodes))
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176 if newnodes:
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177 # else, changeset have been killed
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178 newnode = list(newnodes)[0][0]
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179 ctx = repo[newnode]
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180 if ctx.hex() != oldhex and ctx.phase():
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181 fp = StringIO()
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182 cmdutil.export(repo, [ctx.rev()], fp=fp)
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183 data = fp.getvalue()
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184 store.setfile(oldname, data, (None, None))
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185 finaldata.append([ctx.hex(), oldname])
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186 usednew.add(ctx.hex())
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187 touched.add(oldname)
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188 continue
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189 if oldhex in currentdrafts:
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190 # else changeset is now public or secret
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191 finaldata.append([oldhex, oldname])
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192 usednew.add(ctx.hex())
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193 continue
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194 touched.add(oldname)
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195
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196 for newhex, newname in newdata:
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197 if newhex in usednew:
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198 continue
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199 newnode = bin(newhex)
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200 ctx = repo[newnode]
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201 fp = StringIO()
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202 cmdutil.export(repo, [ctx.rev()], fp=fp)
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203 data = fp.getvalue()
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204 store.setfile(newname, data, (None, None))
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205 finaldata.append([ctx.hex(), newname])
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206 touched.add(newname)
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207 # sort by branchrev number
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208 finaldata.sort(key=lambda x: sort_key(repo[x[0]]))
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209 # sort touched too (ease review list)
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210 stouched = [f[1] for f in finaldata if f[1] in touched]
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211 stouched += [x for x in touched if x not in stouched]
153
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212 return finaldata, stouched
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213
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214 def sort_key(ctx):
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215 """ctx sort key: (branch, rev)"""
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216 return (ctx.branch(), ctx.rev())
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217
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218
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219 def fillstore(repo, basemqctx):
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220 """fill store with patch data"""
153
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221 olddata = get_old_data(basemqctx)
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222 newdata = get_current_data(repo)
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223 store = patch.filestore()
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224 try:
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225 data, touched = patchmq(repo, store, olddata, newdata)
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226 # put all name in the series
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227 series ='\n'.join(d[1] for d in data) + '\n'
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228 store.setfile('series', series, (False, False))
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229
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230 # export data to ease futur work
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231 store.setfile('qsubmitdata', json.dumps(data, indent=True),
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232 (False, False))
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233 finally:
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234 store.close()
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235 return store, data, touched
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236
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237
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238 def initqsubmit(mqrepo):
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239 """create initial qsubmit branch"""
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240 store = patch.filestore()
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241 try:
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242 files = set()
216
9400e234b3d7 qsync: add a warning file in qsync changeset.
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diff changeset
243 store.setfile('DO-NOT-EDIT-THIS-WORKING-COPY-BY-HAND', 'WE WARNED YOU!', (False, False))
153
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244 store.setfile('.hgignore', '^status$\n', (False, False))
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245 memctx = patch.makememctx(mqrepo, (nullid, nullid),
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246 'qsubmit init',
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247 None,
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248 None,
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249 BRANCHNAME, ('.hgignore',), store,
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diff changeset
250 editor=None)
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251 mqrepo.savecommitmessage(memctx.description())
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252 n = memctx.commit()
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253 finally:
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254 store.close()
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255 return mqrepo[n]