annotate tests/test-issue2137.t @ 39857:8dab7c8a93eb

upgrade: report size of backing files, not internal storage size upgrade.py is the only consumer of filelog.index, which I'd like to eliminate from the file storage interface. This commit changes the upgrade code to report the storage size of files by looking at the size of the files backing its storage instead of looking at the index. I'm not convinced the approach in this patch will live very long because it is relying on low-level attributes like "opener" and "files," which may behave very differently on non-revlog storage. But the data is only used for reporting purposes and it does get us one step closer to eliminating "index." A side-effect of this change is we now report the size of the revlog index data - not just the revision data. I think this is more accurate. Differential Revision: https://phab.mercurial-scm.org/D4717
author Gregory Szorc <gregory.szorc@gmail.com>
date Mon, 24 Sep 2018 09:37:19 -0700
parents c4ccc73f9d49
children
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1 https://bz.mercurial-scm.org/2137
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2
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3 Setup:
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4
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5 create a little extension that has 3 side-effects:
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6 1) ensure changelog data is not inlined
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7 2) make revlog to use lazyparser
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8 3) test that repo.lookup() works
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9 1 and 2 are preconditions for the bug; 3 is the bug.
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10
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11 $ cat > commitwrapper.py <<EOF
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12 > from mercurial import extensions, node, revlog
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13 >
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14 > def reposetup(ui, repo):
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15 > class wraprepo(repo.__class__):
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16 > def commit(self, *args, **kwargs):
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17 > result = super(wraprepo, self).commit(*args, **kwargs)
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18 > tip1 = node.short(repo.changelog.tip())
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19 > tip2 = node.short(repo.lookup(tip1))
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20 > assert tip1 == tip2
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21 > ui.write(b'new tip: %s\n' % tip1)
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22 > return result
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23 > repo.__class__ = wraprepo
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24 >
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25 > def extsetup(ui):
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26 > revlog._maxinline = 8 # split out 00changelog.d early
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27 > revlog._prereadsize = 8 # use revlog.lazyparser
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28 > EOF
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29
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30 $ cat >> $HGRCPATH <<EOF
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31 > [extensions]
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32 > commitwrapper = `pwd`/commitwrapper.py
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33 > EOF
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34
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35 $ hg init repo1
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36 $ cd repo1
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37 $ echo a > a
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38 $ hg commit -A -m'add a with a long commit message to make the changelog a bit bigger'
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39 adding a
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40 new tip: 553596fad57b
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41
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42 Test that new changesets are visible to repo.lookup():
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43
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44 $ echo a >> a
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45 $ hg commit -m'one more commit to demonstrate the bug'
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46 new tip: 799ae3599e0e
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47
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48 $ hg tip
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49 changeset: 1:799ae3599e0e
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50 tag: tip
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51 user: test
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52 date: Thu Jan 01 00:00:00 1970 +0000
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53 summary: one more commit to demonstrate the bug
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54
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55
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56 $ cd ..