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annotate tests/fixtures/delentries.sh @ 1550:67b28d657f62

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sqliterevmap: break ".hashes()" cycle in a safer way The `fromsvn()` revset implementation could cause weakref error when using sqliterevmap like: File "hgsubversion/util.py", line 357, in <lambda> return subset.filter(lambda r: tonode(r) in hashes) File "hgsubversion/maps.py", line 542, in __contains__ return self.get(key) != None File "hgsubversion/maps.py", line 533, in get for row in self.revmap._query( ReferenceError: weakly-referenced object no longer exists Basically the seemingly harmless assignment could break surprisingly: # dangerous: `hashes` does not have a reference of `meta.revmap` and may # become unavailable after `meta`, `revmap` being released by refcount. hashes = meta.revmap.hashes() The above syntax is nice to support while avoiding cycles is also nice. This patch removes `revmap._hashes` so the revmap no longer owns a reference of a `ReverseRevMap` object so the `ReverseRevMap` object no longer needs to use weakref for `self.revmap`. This could actually be caught by `comprehensive/test_sqlite_revmap.py`. I was not careful enough verifying the "fromsvn()" patch.
author Jun Wu <quark@fb.com>
date Thu, 21 Dec 2017 17:39:52 -0800
parents 19aabf67c792
children
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1 #!/bin/sh
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2 #
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3 # Generate delentries.svndump
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4 #
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5
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6 mkdir temp
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7 cd temp
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8
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9 mkdir project-orig
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10 cd project-orig
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11 mkdir trunk
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12 cd ..
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13
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14 svnadmin create testrepo
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15 svnurl=file://`pwd`/testrepo
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16 svn import project-orig $svnurl -m "init project"
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17
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18 svn co $svnurl project
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19 cd project/trunk
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20 # Regular file deletion
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21 echo a > a
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22 # Another file starting like the deleted file
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23 echo aa > aa
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24 mkdir d1
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25 mkdir d1/d2
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26 mkdir d1/d2/d3
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27 echo c > d1/c
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28 # Test directory deletion
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29 echo d > d1/d2/c
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30 # Test subdirectory deletion
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31 echo e > d1/d2/d3/e
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32 echo f > d1/d2/d3/f
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33 # This file starts as the deleted directory, can be confusing
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34 echo d2prefix > d1/d2prefix
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35 svn add a aa d1
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36 svn ci -m "add entries"
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37 svn rm a d1/d2
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38 svn ci -m "remove entries"
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39 cd ../..
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40
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41 svnadmin dump testrepo > ../delentries.svndump