Mercurial > hg
annotate tests/test-dirstate-read-race.t @ 50329:3dbc7b1ecaba stable
typing: correct the signature of error.CommandError
There's a place in `mercurial.dispatch._parse()` that passes None if a parse
error happens before the command can be parsed out, and casting the error to
bytes works fine because the command and message fields are apparently ignored.
Likewise, TortoiseHg similarly passes None for the same reason.
author | Matt Harbison <matt_harbison@yahoo.com> |
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date | Fri, 24 Mar 2023 02:22:12 -0400 |
parents | e6532a7336d0 |
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rev | line source |
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1 ============================================================================== |
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2 Check potential race conditions between a dirstate's read and other operations |
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3 ============================================================================== |
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4 |
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5 #testcases dirstate-v1 dirstate-v2-append dirstate-v2-rewrite |
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6 #testcases pre-all-read pre-some-read |
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7 |
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8 Some commands, like `hg status`, do not need to take the wlock but need to |
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9 access dirstate data. |
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10 Other commands might update the dirstate data while this happens. |
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11 |
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12 This can create issues if repository data is read in the wrong order, or for |
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13 the dirstate-v2 format where the data is contained in multiple files. |
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14 |
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15 This test file is meant to test various cases where such parallel operations |
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16 happen and make sure the reading process behaves fine. We do so with a `hg |
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17 status` command since it is probably the most advanced of such read-only |
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18 command. |
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19 |
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20 It bears simililarity with `tests/test-dirstate-status-race.t ` but tests a |
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21 different type of race. |
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22 |
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23 Setup |
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24 ===== |
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25 |
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26 $ cat >> $HGRCPATH << EOF |
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27 > [storage] |
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28 > dirstate-v2.slow-path=allow |
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29 > EOF |
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30 |
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31 #if no-dirstate-v1 |
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32 $ cat >> $HGRCPATH << EOF |
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33 > [format] |
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34 > use-dirstate-v2=yes |
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35 > EOF |
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36 #else |
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37 $ cat >> $HGRCPATH << EOF |
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38 > [format] |
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39 > use-dirstate-v2=no |
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40 > EOF |
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41 #endif |
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42 |
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43 #if dirstate-v2-rewrite |
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44 $ d2args="--config devel.dirstate.v2.data_update_mode=force-new" |
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45 #endif |
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46 #if dirstate-v2-append |
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47 $ d2args="--config devel.dirstate.v2.data_update_mode=force-append" |
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48 #endif |
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49 |
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50 |
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51 #if dirstate-v1 |
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52 $ cfg="devel.sync.dirstate.pre-read-file" |
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53 #else |
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54 #if pre-all-read |
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55 $ cfg="devel.sync.dirstate.pre-read-file" |
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56 #else |
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57 $ cfg="devel.sync.dirstate.post-docket-read-file" |
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58 #endif |
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59 #endif |
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60 |
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61 $ directories="dir dir/nested dir2" |
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62 $ first_files="dir/nested/a dir/b dir/c dir/d dir2/e f" |
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63 $ second_files="g dir/nested/h dir/i dir/j dir2/k dir2/l dir/nested/m" |
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64 $ extra_files="dir/n dir/o p q" |
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65 |
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66 $ hg init reference-repo |
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67 $ cd reference-repo |
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68 $ mkdir -p dir/nested dir2 |
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69 $ touch -t 200001010000 $first_files $directories |
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70 $ hg commit -Aqm "recreate a bunch of files to facilitate dirstate-v2 append" |
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71 $ touch -t 200001010010 $second_files $directories |
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72 $ hg commit -Aqm "more files to have two commit" |
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73 $ hg log -G -v |
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74 @ changeset: 1:9a86dcbfb938 |
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75 | tag: tip |
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76 | user: test |
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77 | date: Thu Jan 01 00:00:00 1970 +0000 |
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78 | files: dir/i dir/j dir/nested/h dir/nested/m dir2/k dir2/l g |
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79 | description: |
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80 | more files to have two commit |
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81 | |
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82 | |
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83 o changeset: 0:4f23db756b09 |
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84 user: test |
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85 date: Thu Jan 01 00:00:00 1970 +0000 |
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86 files: dir/b dir/c dir/d dir/nested/a dir2/e f |
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87 description: |
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88 recreate a bunch of files to facilitate dirstate-v2 append |
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89 |
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90 |
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91 $ hg manifest |
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92 dir/b |
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93 dir/c |
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94 dir/d |
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95 dir/i |
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96 dir/j |
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97 dir/nested/a |
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98 dir/nested/h |
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99 dir/nested/m |
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100 dir2/e |
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101 dir2/k |
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102 dir2/l |
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103 f |
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104 g |
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105 |
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106 Add some unknown files and refresh the dirstate |
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107 |
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108 $ touch -t 200001010020 $extra_files |
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109 $ hg add dir/o |
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110 $ hg remove dir/nested/m |
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111 |
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112 $ hg st --config devel.dirstate.v2.data_update_mode=force-new |
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113 A dir/o |
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114 R dir/nested/m |
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115 ? dir/n |
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116 ? p |
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117 ? q |
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118 $ hg debugstate |
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119 n 644 0 2000-01-01 00:00:00 dir/b |
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120 n 644 0 2000-01-01 00:00:00 dir/c |
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121 n 644 0 2000-01-01 00:00:00 dir/d |
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122 n 644 0 2000-01-01 00:10:00 dir/i |
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123 n 644 0 2000-01-01 00:10:00 dir/j |
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124 n 644 0 2000-01-01 00:00:00 dir/nested/a |
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125 n 644 0 2000-01-01 00:10:00 dir/nested/h |
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126 r ?????????????????????????????????? dir/nested/m (glob) |
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127 a ?????????????????????????????????? dir/o (glob) |
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128 n 644 0 2000-01-01 00:00:00 dir2/e |
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129 n 644 0 2000-01-01 00:10:00 dir2/k |
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130 n 644 0 2000-01-01 00:10:00 dir2/l |
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131 n 644 0 2000-01-01 00:00:00 f |
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132 n 644 0 2000-01-01 00:10:00 g |
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133 $ hg debugstate > ../reference |
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134 $ cd .. |
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135 |
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136 Actual Testing |
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137 ============== |
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138 |
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139 Race with a `hg add` |
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140 ------------------- |
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141 |
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142 $ cp -a reference-repo race-with-add |
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143 $ cd race-with-add |
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144 |
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145 spin a `hg status` with some caches to update |
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146 |
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147 $ hg st >$TESTTMP/status-race-lock.out 2>$TESTTMP/status-race-lock.log \ |
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148 > --config rhg.on-unsupported=abort \ |
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149 > --config ${cfg}=$TESTTMP/status-race-lock \ |
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150 > & |
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151 $ $RUNTESTDIR/testlib/wait-on-file 5 $TESTTMP/status-race-lock.waiting |
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152 |
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153 Add a file |
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154 |
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155 $ hg $d2args add dir/n |
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156 $ touch $TESTTMP/status-race-lock |
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157 $ wait |
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158 |
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159 The file should in a "added" state |
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160 |
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161 $ hg status |
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162 A dir/n |
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163 A dir/o |
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164 R dir/nested/m |
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165 ? p |
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166 ? q |
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167 |
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168 The status process should return a consistent result and not crash. |
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169 |
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170 #if dirstate-v1 |
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171 $ cat $TESTTMP/status-race-lock.out |
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172 A dir/n |
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173 A dir/o |
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174 R dir/nested/m |
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175 ? p |
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176 ? q |
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177 #else |
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178 #if rhg pre-some-read dirstate-v2-append |
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179 $ cat $TESTTMP/status-race-lock.out |
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180 A dir/o |
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181 R dir/nested/m |
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182 ? dir/n |
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183 ? p |
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184 ? q |
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185 #else |
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186 #if rust no-rhg dirstate-v2-append |
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187 $ cat $TESTTMP/status-race-lock.out |
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188 A dir/o |
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189 R dir/nested/m |
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190 ? dir/n |
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191 ? p |
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192 ? q |
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193 #else |
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194 $ cat $TESTTMP/status-race-lock.out |
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195 A dir/n |
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196 A dir/o |
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197 R dir/nested/m |
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198 ? p |
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199 ? q |
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200 #endif |
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201 #endif |
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202 #endif |
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203 $ cat $TESTTMP/status-race-lock.log |
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204 |
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205 final cleanup |
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206 |
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207 $ rm $TESTTMP/status-race-lock $TESTTMP/status-race-lock.waiting |
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208 $ cd .. |
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209 |
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210 Race with a `hg commit` |
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211 ----------------------- |
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212 |
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213 $ cp -a reference-repo race-with-commit |
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214 $ cd race-with-commit |
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215 |
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216 spin a `hg status with some cache to update |
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217 |
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218 $ hg st >$TESTTMP/status-race-lock.out 2>$TESTTMP/status-race-lock.log \ |
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219 > --config rhg.on-unsupported=abort \ |
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220 > --config ${cfg}=$TESTTMP/status-race-lock \ |
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221 > & |
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222 $ $RUNTESTDIR/testlib/wait-on-file 5 $TESTTMP/status-race-lock.waiting |
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223 |
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224 Add a do a commit |
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225 |
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226 $ hg status |
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227 A dir/o |
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228 R dir/nested/m |
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229 ? dir/n |
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230 ? p |
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231 ? q |
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232 $ hg $d2args commit -m 'racing commit' |
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233 $ touch $TESTTMP/status-race-lock |
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234 $ wait |
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235 |
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236 commit was created, and status is now clean |
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237 |
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238 $ hg log -GT '{node|short} {desc}\n' |
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239 @ 02a67a77ee9b racing commit |
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240 | |
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241 o 9a86dcbfb938 more files to have two commit |
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242 | |
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243 o 4f23db756b09 recreate a bunch of files to facilitate dirstate-v2 append |
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244 |
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245 $ hg status |
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246 ? dir/n |
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247 ? p |
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248 ? q |
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249 |
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250 The status process should return a consistent result and not crash. |
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251 |
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252 #if no-rhg |
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253 $ cat $TESTTMP/status-race-lock.out |
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254 A dir/o |
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255 R dir/nested/m |
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256 ? dir/n |
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257 ? p |
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258 ? q |
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259 $ cat $TESTTMP/status-race-lock.log |
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260 #else |
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261 #if pre-some-read dirstate-v2-append |
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262 $ cat $TESTTMP/status-race-lock.out |
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263 A dir/o |
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264 R dir/nested/m |
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265 ? dir/n |
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266 ? p |
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267 ? q |
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268 $ cat $TESTTMP/status-race-lock.log |
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269 #else |
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270 $ cat $TESTTMP/status-race-lock.out |
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271 ? dir/n |
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272 ? p |
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273 ? q |
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274 $ cat $TESTTMP/status-race-lock.log |
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275 #endif |
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276 #endif |
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277 |
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278 final cleanup |
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279 |
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280 $ rm $TESTTMP/status-race-lock $TESTTMP/status-race-lock.waiting |
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281 $ cd .. |
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282 |
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283 Race with a `hg update` |
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284 ----------------------- |
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285 |
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286 $ cp -a reference-repo race-with-update |
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287 $ cd race-with-update |
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288 |
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289 spin a `hg status` with some caches to update |
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290 |
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291 $ hg st >$TESTTMP/status-race-lock.out 2>$TESTTMP/status-race-lock.log \ |
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292 > --config rhg.on-unsupported=abort \ |
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293 > --config ${cfg}=$TESTTMP/status-race-lock \ |
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294 > & |
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295 $ $RUNTESTDIR/testlib/wait-on-file 5 $TESTTMP/status-race-lock.waiting |
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296 do an update |
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297 |
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298 $ hg status |
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299 A dir/o |
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300 R dir/nested/m |
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301 ? dir/n |
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302 ? p |
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303 ? q |
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304 $ hg log -GT '{node|short} {desc}\n' |
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305 @ 9a86dcbfb938 more files to have two commit |
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306 | |
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307 o 4f23db756b09 recreate a bunch of files to facilitate dirstate-v2 append |
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308 |
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309 $ hg $d2args update --merge ".~1" |
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310 0 files updated, 0 files merged, 6 files removed, 0 files unresolved |
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311 $ touch $TESTTMP/status-race-lock |
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312 $ wait |
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313 $ hg log -GT '{node|short} {desc}\n' |
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314 o 9a86dcbfb938 more files to have two commit |
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315 | |
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316 @ 4f23db756b09 recreate a bunch of files to facilitate dirstate-v2 append |
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317 |
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318 $ hg status |
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319 A dir/o |
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320 ? dir/n |
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321 ? p |
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322 ? q |
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323 |
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324 The status process should return a consistent result and not crash. |
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325 |
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326 #if rhg dirstate-v2-append pre-some-read |
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327 $ cat $TESTTMP/status-race-lock.out |
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328 A dir/o |
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329 R dir/nested/m |
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330 ! dir/i |
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331 ! dir/j |
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332 ! dir/nested/h |
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333 ! dir2/k |
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334 ! dir2/l |
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335 ! g |
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336 ? dir/n |
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337 ? p |
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338 ? q |
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339 #else |
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340 #if rust no-rhg dirstate-v2-append |
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341 $ cat $TESTTMP/status-race-lock.out |
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342 A dir/o |
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343 R dir/nested/m |
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344 ! dir/i |
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345 ! dir/j |
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346 ! dir/nested/h |
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347 ! dir2/k |
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348 ! dir2/l |
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349 ! g |
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350 ? dir/n |
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351 ? p |
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352 ? q |
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353 #else |
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354 $ cat $TESTTMP/status-race-lock.out |
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355 A dir/o |
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356 ? dir/n |
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357 ? p |
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358 ? q |
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359 #endif |
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360 #endif |
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361 $ cat $TESTTMP/status-race-lock.log |
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362 |
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363 final cleanup |
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364 |
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365 $ rm $TESTTMP/status-race-lock $TESTTMP/status-race-lock.waiting |
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366 $ cd .. |
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367 |
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368 Race with a cache updating `hg status` |
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369 -------------------------------------- |
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370 |
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371 It is interesting to race with "read-only" operation (that still update its cache) |
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372 |
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373 $ cp -a reference-repo race-with-status |
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374 $ cd race-with-status |
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375 |
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376 spin a `hg status` with some caches to update |
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377 |
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378 $ hg st >$TESTTMP/status-race-lock.out 2>$TESTTMP/status-race-lock.log \ |
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379 > --config rhg.on-unsupported=abort \ |
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380 > --config ${cfg}=$TESTTMP/status-race-lock \ |
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381 > & |
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382 $ $RUNTESTDIR/testlib/wait-on-file 5 $TESTTMP/status-race-lock.waiting |
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383 do an update |
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384 |
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385 $ touch -t 200001020006 f |
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386 $ hg $d2args status |
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387 A dir/o |
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388 R dir/nested/m |
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389 ? dir/n |
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390 ? p |
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391 ? q |
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392 $ touch $TESTTMP/status-race-lock |
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393 $ wait |
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394 |
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395 The status process should return a consistent result and not crash. |
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396 |
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397 $ cat $TESTTMP/status-race-lock.out |
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398 A dir/o |
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399 R dir/nested/m |
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400 ? dir/n |
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401 ? p |
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402 ? q |
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403 $ cat $TESTTMP/status-race-lock.log |
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404 |
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405 final cleanup |
5bf6b8015035
dirstate: check dirstate race condition around status
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
50231
diff
changeset
|
406 |
5bf6b8015035
dirstate: check dirstate race condition around status
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
50231
diff
changeset
|
407 $ rm $TESTTMP/status-race-lock $TESTTMP/status-race-lock.waiting |
5bf6b8015035
dirstate: check dirstate race condition around status
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
50231
diff
changeset
|
408 $ cd .. |