Mercurial > hg
annotate tests/test-transaction-rollback-on-revlog-split.t @ 48670:6d2ddea0721a stable
stream-clone: filter possible missing requirements using all supported one
The `supportedformat` requirements is missing some important requirements and it
seems better to filter out with all requirements we know, not just an
"arbitrary" subset.
The `supportedformat` set is lacking some important requirements (for example
`revlog-compression-zstd`). This is getting fixed on default (for Mercurial 6.1)
However, fixing that in 6.1 means the stream requirements sent over the wire
will contains more items. And if we don't apply this fix on older version, they
might end up complaining about lacking support for feature they actually support
for years.
This patch does not fix the deeper problem (advertised stream requirement
lacking some of them), but focus on the trivial part : Lets use the full set of
supported requirement for looking for unsupported ones.
This patch should be simple to backport to older version of Mercurial and
packager should be encouraged to do so.
This is a graft of d9017df70135 from default.
Differential Revision: https://phab.mercurial-scm.org/D12091
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Mon, 24 Jan 2022 11:49:06 +0100 |
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children | e2ba2234bf1c |
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1 Test correctness of revlog inline -> non-inline transition |
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2 ---------------------------------------------------------- |
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3 |
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4 Helper extension to intercept renames. |
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5 |
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6 $ cat > $TESTTMP/intercept_rename.py << EOF |
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7 > import os |
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8 > import sys |
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9 > from mercurial import extensions, util |
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10 > |
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11 > def extsetup(ui): |
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12 > def close(orig, *args, **kwargs): |
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13 > path = util.normpath(args[0]._atomictempfile__name) |
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14 > if path.endswith(b'/.hg/store/data/file.i'): |
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15 > os._exit(80) |
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16 > return orig(*args, **kwargs) |
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17 > extensions.wrapfunction(util.atomictempfile, 'close', close) |
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18 > EOF |
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19 |
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20 Test offset computation to correctly factor in the index entries themselves. |
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21 Also test that the new data size has the correct size if the transaction is aborted |
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22 after the index has been replaced. |
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23 |
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24 Test repo has commits a, b, c, D, where D is large (grows the revlog enough that it |
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25 transitions to non-inline storage). The clone initially has changes a, b |
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26 and will transition to non-inline storage when adding c, D. |
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27 |
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28 If the transaction adding c, D is rolled back, then we don't undo the revlog split, |
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29 but truncate the index and the data to remove both c and D. |
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30 |
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31 $ hg init troffset-computation --config format.revlog-compression=none |
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32 $ cd troffset-computation |
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33 $ printf '%20d' '1' > file |
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34 $ hg commit -Aqma |
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35 $ printf '%1024d' '1' > file |
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36 $ hg commit -Aqmb |
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37 $ printf '%20d' '1' > file |
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38 $ hg commit -Aqmc |
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39 $ dd if=/dev/zero of=file bs=1k count=128 > /dev/null 2>&1 |
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40 $ hg commit -AqmD |
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41 |
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42 $ cd .. |
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43 |
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44 $ hg clone -r 1 troffset-computation troffset-computation-copy --config format.revlog-compression=none -q |
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45 $ cd troffset-computation-copy |
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46 |
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47 Reference size: |
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48 |
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49 $ f -s .hg/store/data/file* |
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50 .hg/store/data/file.i: size=1174 |
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51 |
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52 $ cat > .hg/hgrc <<EOF |
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53 > [hooks] |
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54 > pretxnchangegroup = python:$TESTDIR/helper-killhook.py:killme |
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55 > EOF |
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56 #if chg |
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57 $ hg pull ../troffset-computation |
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58 pulling from ../troffset-computation |
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59 [255] |
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60 #else |
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61 $ hg pull ../troffset-computation |
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62 pulling from ../troffset-computation |
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63 [80] |
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64 #endif |
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65 $ cat .hg/store/journal | tr -s '\000' ' ' | grep data/file | tail -1 |
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66 data/file.i 128 |
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67 |
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68 The first file.i entry should match the "Reference size" above. |
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69 The first file.d entry is the temporary record during the split, |
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70 the second entry after the split happened. The sum of the second file.d |
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71 and the second file.i entry should match the first file.i entry. |
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72 |
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73 $ cat .hg/store/journal | tr -s '\000' ' ' | grep data/file |
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74 data/file.i 1174 |
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75 data/file.d 0 |
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76 data/file.d 1046 |
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77 data/file.i 128 |
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78 $ hg recover |
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79 rolling back interrupted transaction |
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80 (verify step skipped, run `hg verify` to check your repository content) |
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81 $ f -s .hg/store/data/file* |
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82 .hg/store/data/file.d: size=1046 |
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83 .hg/store/data/file.i: size=128 |
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84 $ hg tip |
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85 changeset: 1:cfa8d6e60429 |
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86 tag: tip |
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87 user: test |
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88 date: Thu Jan 01 00:00:00 1970 +0000 |
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89 summary: b |
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90 |
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91 $ hg verify -q |
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92 warning: revlog 'data/file.d' not in fncache! |
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93 1 warnings encountered! |
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94 hint: run "hg debugrebuildfncache" to recover from corrupt fncache |
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95 $ hg debugrebuildfncache --only-data |
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96 adding data/file.d |
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97 1 items added, 0 removed from fncache |
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98 $ hg verify -q |
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99 $ cd .. |
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100 |
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101 |
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102 Now retry the procedure but intercept the rename of the index and check that |
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103 the journal does not contain the new index size. This demonstrates the edge case |
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104 where the data file is left as garbage. |
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105 |
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106 $ hg clone -r 1 troffset-computation troffset-computation-copy2 --config format.revlog-compression=none -q |
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107 $ cd troffset-computation-copy2 |
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108 $ cat > .hg/hgrc <<EOF |
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109 > [extensions] |
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110 > intercept_rename = $TESTTMP/intercept_rename.py |
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111 > [hooks] |
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112 > pretxnchangegroup = python:$TESTDIR/helper-killhook.py:killme |
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113 > EOF |
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114 #if chg |
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115 $ hg pull ../troffset-computation |
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116 pulling from ../troffset-computation |
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117 [255] |
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118 #else |
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119 $ hg pull ../troffset-computation |
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120 pulling from ../troffset-computation |
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121 [80] |
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122 #endif |
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123 $ cat .hg/store/journal | tr -s '\000' ' ' | grep data/file |
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124 data/file.i 1174 |
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125 data/file.d 0 |
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126 data/file.d 1046 |
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127 |
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128 $ hg recover |
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129 rolling back interrupted transaction |
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130 (verify step skipped, run `hg verify` to check your repository content) |
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131 $ f -s .hg/store/data/file* |
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132 .hg/store/data/file.d: size=1046 |
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133 .hg/store/data/file.i: size=1174 |
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134 $ hg tip |
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135 changeset: 1:cfa8d6e60429 |
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136 tag: tip |
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137 user: test |
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138 date: Thu Jan 01 00:00:00 1970 +0000 |
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139 summary: b |
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140 |
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141 $ hg verify -q |
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142 $ cd .. |
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143 |
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144 |
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145 Repeat the original test but let hg rollback the transaction. |
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146 |
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147 $ hg clone -r 1 troffset-computation troffset-computation-copy-rb --config format.revlog-compression=none -q |
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148 $ cd troffset-computation-copy-rb |
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149 $ cat > .hg/hgrc <<EOF |
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150 > [hooks] |
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151 > pretxnchangegroup = false |
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152 > EOF |
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153 $ hg pull ../troffset-computation |
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154 pulling from ../troffset-computation |
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155 searching for changes |
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156 adding changesets |
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157 adding manifests |
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158 adding file changes |
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159 transaction abort! |
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160 rollback completed |
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161 abort: pretxnchangegroup hook exited with status 1 |
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162 [40] |
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163 $ f -s .hg/store/data/file* |
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164 .hg/store/data/file.d: size=1046 |
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165 .hg/store/data/file.i: size=128 |
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166 $ hg tip |
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167 changeset: 1:cfa8d6e60429 |
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168 tag: tip |
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169 user: test |
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170 date: Thu Jan 01 00:00:00 1970 +0000 |
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171 summary: b |
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172 |
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173 $ hg verify -q |
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174 warning: revlog 'data/file.d' not in fncache! |
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175 1 warnings encountered! |
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176 hint: run "hg debugrebuildfncache" to recover from corrupt fncache |
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177 $ cd .. |
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178 |