annotate tests/test-dirstate.t @ 51460:cebd96dee99a

branchcache: move the filename to a class attribute This prepare the introduction of more variant of cache.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Sun, 25 Feb 2024 20:40:37 +0100
parents ecd28d89c29e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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bf8837e3d7ce dirstate: Remove the flat Rust DirstateMap implementation
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1 #testcases dirstate-v1 dirstate-v2
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2
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3 #if dirstate-v2
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4 $ cat >> $HGRCPATH << EOF
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5 > [format]
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6 > use-dirstate-v2=1
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7 > [storage]
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8 > dirstate-v2.slow-path=allow
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9 > EOF
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10 #endif
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11
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12 ------ Test dirstate._dirs refcounting
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13
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14 $ hg init t
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15 $ cd t
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16 $ mkdir -p a/b/c/d
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17 $ touch a/b/c/d/x
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18 $ touch a/b/c/d/y
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19 $ touch a/b/c/d/z
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20 $ hg ci -Am m
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21 adding a/b/c/d/x
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22 adding a/b/c/d/y
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23 adding a/b/c/d/z
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24 $ hg mv a z
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25 moving a/b/c/d/x to z/b/c/d/x
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26 moving a/b/c/d/y to z/b/c/d/y
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27 moving a/b/c/d/z to z/b/c/d/z
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28
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29 Test name collisions
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30
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31 $ rm z/b/c/d/x
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32 $ mkdir z/b/c/d/x
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33 $ touch z/b/c/d/x/y
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34 $ hg add z/b/c/d/x/y
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35 abort: file 'z/b/c/d/x' in dirstate clashes with 'z/b/c/d/x/y'
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36 [255]
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37 $ rm -rf z/b/c/d
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38 $ touch z/b/c/d
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39 $ hg add z/b/c/d
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40 abort: directory 'z/b/c/d' already in dirstate
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41 [255]
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42
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43 $ cd ..
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44
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45 Issue1790: dirstate entry locked into unset if file mtime is set into
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46 the future
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47
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48 Prepare test repo:
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49
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50 $ hg init u
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51 $ cd u
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52 $ echo a > a
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53 $ hg add
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54 adding a
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55 $ hg ci -m1
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56
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57 Set mtime of a into the future:
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58
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59 $ touch -t 203101011200 a
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60
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61 Status must not set a's entry to unset (issue1790):
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62
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63 $ hg status
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64 $ hg debugstate
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65 n 644 2 2031-01-01 12:00:00 a
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66
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67 Test modulo storage/comparison of absurd dates:
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68
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69 #if no-aix
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70 $ touch -t 195001011200 a
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71 $ hg st
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72 $ hg debugstate
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73 n 644 2 2018-01-19 15:14:08 a
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74 #endif
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75
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76 Verify that exceptions during a dirstate change leave the dirstate
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77 coherent (issue4353)
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78
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79 $ cat > ../dirstateexception.py <<EOF
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80 > from mercurial import (
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81 > error,
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82 > extensions,
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83 > mergestate as mergestatemod,
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84 > )
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85 >
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86 > def wraprecordupdates(*args):
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87 > raise error.Abort(b"simulated error while recording dirstateupdates")
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88 >
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89 > def reposetup(ui, repo):
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90 > extensions.wrapfunction(mergestatemod, 'recordupdates',
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91 > wraprecordupdates)
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92 > EOF
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93
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94 $ hg rm a
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95 $ hg commit -m 'rm a'
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96 $ echo "[extensions]" >> .hg/hgrc
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97 $ echo "dirstateex=../dirstateexception.py" >> .hg/hgrc
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98 $ hg up 0
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99 abort: simulated error while recording dirstateupdates
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100 [255]
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101 $ hg log -r . -T '{rev}\n'
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102 1
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103 $ hg status
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104 ? a
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105
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106 #if dirstate-v2
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107 Check that folders that are prefixes of others do not throw the packer into an
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108 infinite loop.
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109
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110 $ cd ..
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111 $ hg init infinite-loop
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112 $ cd infinite-loop
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113 $ mkdir hgext3rd hgext
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114 $ touch hgext3rd/__init__.py hgext/zeroconf.py
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115 $ hg commit -Aqm0
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116
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117 $ hg st -c
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118 C hgext/zeroconf.py
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119 C hgext3rd/__init__.py
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120
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121 $ cd ..
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122
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123 Check that the old dirstate data file is removed correctly and the new one is
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124 valid.
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125
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126 $ dirstate_data_files () {
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127 > find .hg -maxdepth 1 -name "dirstate.*"
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128 > }
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129
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130 $ find_dirstate_uuid () {
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131 > hg debugstate --docket | grep uuid | sed 's/.*uuid: \(.*\)/\1/'
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132 > }
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133
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134 $ find_dirstate_data_size () {
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135 > hg debugstate --docket | grep 'size of dirstate data' | sed 's/.*size of dirstate data: \(.*\)/\1/'
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136 > }
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137
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138 $ dirstate_uuid_has_not_changed () {
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139 > # Non-Rust always rewrites the whole dirstate
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140 > if [ $# -eq 1 ] || ([ -n "$HGMODULEPOLICY" ] && [ -z "${HGMODULEPOLICY##*rust*}" ]) || [ -n "$RHG_INSTALLED_AS_HG" ]; then
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141 > test $current_uid = $(find_dirstate_uuid)
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142 > else
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143 > echo "not testing because using Python implementation"
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144 > fi
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145 > }
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146
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147 $ cd ..
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148 $ hg init append-mostly
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149 $ cd append-mostly
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150 $ mkdir dir dir2
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151 $ touch -t 200001010000 dir/a dir/b dir/c dir/d dir/e dir2/f dir dir2
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152 $ hg commit -Aqm initial
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153 $ hg st
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154 $ dirstate_data_files | wc -l
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155 *1 (re)
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156 $ current_uid=$(find_dirstate_uuid)
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157
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158 Nothing changes here
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159
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160 $ hg st
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161 $ dirstate_data_files | wc -l
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162 *1 (re)
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163 $ dirstate_uuid_has_not_changed
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164 not testing because using Python implementation (no-rust no-rhg !)
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165
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166 Trigger an append with a small change to directory mtime
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167
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168 $ current_data_size=$(find_dirstate_data_size)
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169 $ touch -t 201001010000 dir2
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170 $ hg st
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171 $ dirstate_data_files | wc -l
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172 *1 (re)
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173 $ dirstate_uuid_has_not_changed
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174 not testing because using Python implementation (no-rust no-rhg !)
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175 $ new_data_size=$(find_dirstate_data_size)
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176 $ [ "$current_data_size" -eq "$new_data_size" ]; echo $?
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177 0 (no-rust no-rhg !)
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178 1 (rust !)
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179 1 (no-rust rhg !)
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180
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181 Unused bytes counter is non-0 when appending
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182 $ touch file
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183 $ hg add file
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184 $ current_uid=$(find_dirstate_uuid)
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185
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186 Trigger a rust/rhg run which updates the unused bytes value
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187 $ hg st
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188 A file
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189 $ dirstate_data_files | wc -l
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190 *1 (re)
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191 $ dirstate_uuid_has_not_changed
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192 not testing because using Python implementation (no-rust no-rhg !)
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193
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194 $ hg debugstate --docket | grep unused
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195 number of unused bytes: 0 (no-rust no-rhg !)
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196 number of unused bytes: [1-9]\d* (re) (rhg no-rust !)
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197 number of unused bytes: [1-9]\d* (re) (rust no-rhg !)
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198 number of unused bytes: [1-9]\d* (re) (rust rhg !)
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199
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200 Delete most of the dirstate to trigger a non-append
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201 $ hg rm dir/a dir/b dir/c dir/d
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202 $ dirstate_data_files | wc -l
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203 *1 (re)
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204 $ dirstate_uuid_has_not_changed also-if-python
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205 [1]
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206
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207 Check that unused bytes counter is reset when creating a new docket
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208
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209 $ hg debugstate --docket | grep unused
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210 number of unused bytes: 0
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211
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212 #endif
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213
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214 (non-Rust always rewrites)
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215
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216 Test the devel option to control write behavior
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217 ==============================================
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218
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219 Sometimes, debugging or testing the dirstate requires making sure that we have
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220 done a complete rewrite of the data file and have no unreachable data around,
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221 sometimes it requires we ensure we don't.
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222
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223 We test the option to force this rewrite by creating the situation where an
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224 append would happen and check that it doesn't happen.
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225
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226 $ cd ..
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227 $ hg init force-base
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228 $ cd force-base
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229 $ mkdir -p dir/nested dir2
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230 $ touch -t 200001010000 f dir/nested/a dir/b dir/c dir/d dir2/e dir/nested dir dir2
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231 $ hg commit -Aqm "recreate a bunch of files to facilitate append"
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232 $ hg st --config devel.dirstate.v2.data_update_mode=force-new
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233 $ cd ..
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234
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235 #if dirstate-v2
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236 $ hg -R force-base debugstate --docket | grep unused
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237 number of unused bytes: 0
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238
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239 Check with the option in "auto" mode
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240 ------------------------------------
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241 $ cp -a force-base append-mostly-no-force-rewrite
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242 $ cd append-mostly-no-force-rewrite
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243 $ current_uid=$(find_dirstate_uuid)
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244
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245 Change mtime of dir on disk which will be recorded, causing a small enough change
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246 to warrant only an append
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247
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248 $ touch -t 202212010000 dir2
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249 $ hg st \
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250 > --config rhg.on-unsupported=abort \
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251 > --config devel.dirstate.v2.data_update_mode=auto
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252
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253 UUID hasn't changed and a non-zero number of unused bytes means we've appended
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254
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255 $ dirstate_uuid_has_not_changed
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256 not testing because using Python implementation (no-rust no-rhg !)
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257
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258 #if no-rust no-rhg
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259 The pure python implementation never appends at the time this is written.
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260 $ hg debugstate --docket | grep unused
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261 number of unused bytes: 0 (known-bad-output !)
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262 #else
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263 $ hg debugstate --docket | grep unused
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264 number of unused bytes: [1-9]\d* (re)
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265 #endif
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266 $ cd ..
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267
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268 Check the same scenario with the option set to "force-new"
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269 ---------------------------------------------------------
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270
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271 $ cp -a force-base append-mostly-force-rewrite
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272 $ cd append-mostly-force-rewrite
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273 $ current_uid=$(find_dirstate_uuid)
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274
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275 Change mtime of dir on disk which will be recorded, causing a small enough change
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276 to warrant only an append, but we force the rewrite
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277
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278 $ touch -t 202212010000 dir2
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279 $ hg st \
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280 > --config rhg.on-unsupported=abort \
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281 > --config devel.dirstate.v2.data_update_mode=force-new
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282
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283 UUID has changed and zero unused bytes means a full-rewrite happened
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284
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285
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286 #if no-rust no-rhg
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287 $ dirstate_uuid_has_not_changed
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288 not testing because using Python implementation
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289 #else
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290 $ dirstate_uuid_has_not_changed
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291 [1]
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292 #endif
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293 $ hg debugstate --docket | grep unused
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294 number of unused bytes: 0
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295 $ cd ..
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296
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297
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298 Check the same scenario with the option set to "force-append"
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299 -------------------------------------------------------------
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300
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301 (should behave the same as "auto" here)
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302
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303 $ cp -a force-base append-mostly-force-append
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304 $ cd append-mostly-force-append
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305 $ current_uid=$(find_dirstate_uuid)
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306
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307 Change mtime of dir on disk which will be recorded, causing a small enough change
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308 to warrant only an append, which we are forcing here anyway.
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309
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310 $ touch -t 202212010000 dir2
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311 $ hg st \
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312 > --config rhg.on-unsupported=abort \
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313 > --config devel.dirstate.v2.data_update_mode=force-append
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314
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315 UUID has not changed and some unused bytes exist in the data file
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316
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317 $ dirstate_uuid_has_not_changed
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318 not testing because using Python implementation (no-rust no-rhg !)
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319
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320 #if no-rust no-rhg
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321 The pure python implementation never appends at the time this is written.
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322 $ hg debugstate --docket | grep unused
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323 number of unused bytes: 0 (known-bad-output !)
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324 #else
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325 $ hg debugstate --docket | grep unused
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326 number of unused bytes: [1-9]\d* (re)
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327 #endif
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328 $ cd ..
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329
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330 Check with the option in "auto" mode
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331 ------------------------------------
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332 $ cp -a force-base append-mostly-no-force-rewrite
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333 $ cd append-mostly-no-force-rewrite
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334 $ current_uid=$(find_dirstate_uuid)
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335
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336 Change mtime of everything on disk causing a full rewrite
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337
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338 $ touch -t 202212010005 `hg files`
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339 $ hg st \
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340 > --config rhg.on-unsupported=abort \
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341 > --config devel.dirstate.v2.data_update_mode=auto
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342
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343 UUID has changed and zero unused bytes means we've rewritten.
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344
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345 #if no-rust no-rhg
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346 $ dirstate_uuid_has_not_changed
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347 not testing because using Python implementation
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348 #else
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349 $ dirstate_uuid_has_not_changed
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350 [1]
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351 #endif
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352
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353 $ hg debugstate --docket | grep unused
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354 number of unused bytes: 0 (known-bad-output !)
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355 $ cd ..
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356
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357 Check the same scenario with the option set to "force-new"
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358 ---------------------------------------------------------
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359
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360 (should be the same as auto)
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361
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362 $ cp -a force-base append-mostly-force-rewrite
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363 $ cd append-mostly-force-rewrite
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364 $ current_uid=$(find_dirstate_uuid)
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365
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366 Change mtime of everything on disk causing a full rewrite
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367
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368 $ touch -t 202212010005 `hg files`
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369 $ hg st \
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370 > --config rhg.on-unsupported=abort \
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371 > --config devel.dirstate.v2.data_update_mode=force-new
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372
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373 UUID has changed and a zero number unused bytes means we've rewritten.
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374
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375
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376 #if no-rust no-rhg
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377 $ dirstate_uuid_has_not_changed
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378 not testing because using Python implementation
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379 #else
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380 $ dirstate_uuid_has_not_changed
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381 [1]
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382 #endif
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383 $ hg debugstate --docket | grep unused
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384 number of unused bytes: 0
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385 $ cd ..
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386
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387
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388 Check the same scenario with the option set to "force-append"
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389 -------------------------------------------------------------
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390
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391 Should append even if "auto" did not
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392
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393 $ cp -a force-base append-mostly-force-append
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394 $ cd append-mostly-force-append
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395 $ current_uid=$(find_dirstate_uuid)
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396
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397 Change mtime of everything on disk causing a full rewrite
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398
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399 $ touch -t 202212010005 `hg files`
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400 $ hg st \
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401 > --config rhg.on-unsupported=abort \
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402 > --config devel.dirstate.v2.data_update_mode=force-append
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403
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404 UUID has not changed and some unused bytes exist in the data file
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405
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406 $ dirstate_uuid_has_not_changed
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407 not testing because using Python implementation (no-rust no-rhg !)
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408
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409 #if no-rust no-rhg
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410 The pure python implementation is never appending at the time this is written.
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411 $ hg debugstate --docket | grep unused
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412 number of unused bytes: 0 (known-bad-output !)
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413 #else
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414 $ hg debugstate --docket | grep unused
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415 number of unused bytes: [1-9]\d* (re)
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416 #endif
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417 $ cd ..
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418
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419
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420
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421 Get back into a state suitable for the test of the file.
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422
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423 $ cd ./append-mostly
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424
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425 #else
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426 $ cd ./u
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427 #endif
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428
49466
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429 Transaction compatibility
50222
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430 =========================
49466
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431
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432 The transaction preserves the dirstate.
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433 We should make sure all of it (docket + data) is preserved
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434
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435 #if dirstate-v2
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436 $ hg commit -m 'bli'
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437 #endif
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438
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439 $ hg update --quiet
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440 $ hg revert --all --quiet
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441 $ rm -f a
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442 $ echo foo > foo
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443 $ hg add foo
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444 $ hg commit -m foo
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445
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446 #if dirstate-v2
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447 $ uid=$(find_dirstate_uuid)
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448 $ touch bar
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449 $ while [ uid = $(find_dirstate_uuid) ]; do
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450 > hg add bar;
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451 > hg remove bar;
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452 > done;
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453 $ rm bar
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454 #endif
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455 $ hg rollback
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diff changeset
456 repository tip rolled back to revision 1 (undo commit)
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457 working directory now based on revision 1
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diff changeset
458
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459 $ hg status
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diff changeset
460 A foo
49549
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461 $ cd ..
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462
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diff changeset
463 Check dirstate ordering
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diff changeset
464 (e.g. `src/dirstate/` and `src/dirstate.rs` shouldn't cause issues)
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diff changeset
465
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466 $ hg init repro
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467 $ cd repro
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468 $ mkdir src
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diff changeset
469 $ mkdir src/dirstate
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470 $ touch src/dirstate/file1 src/dirstate/file2 src/dirstate.rs
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diff changeset
471 $ touch file1 file2
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472 $ hg commit -Aqm1
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diff changeset
473 $ hg st
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474 $ cd ..