annotate tests/failfilemerge.py @ 29917:f32f8bf5dc4c

streamclone: force @filecache properties to be reloaded from file Before this patch, consumev1() invokes repo.invalidate() after closing transaction, to force @filecache properties to be reloaded from files at next access, because streamclone writes data into files directly. But this doesn't work as expected in the case below: 1. at closing transaction, repo._refreshfilecachestats() refreshes file stat of each @filecache properties with streamclone-ed files This means that in-memory properties are treated as valid. 2. but streamclone doesn't changes in-memory properties This means that in-memory properties are actually invalid. 3. repo.invalidate() just forces to examine file stat of @filecache properties at the first access after it Such examination should concludes that reloading from file isn't needed, because file stat was already refreshed at (1). Therefore, invalid in-memory cached properties (2) are unintentionally treated as valid (1). This patch invokes repo.invalidate() with clearfilecache=True, to force @filecache properties to be reloaded from file at next access. BTW, it is accidental that repo.invalidate() without clearfilecache=True in streamclone case seems to work as expected before this patch. If transaction is started via "filtered repo" object, repo._refreshfilecachestats() tries to refresh file stat of each @filecache properties on "filtered repo" object, even though all of them are stored into "unfiltered repo" object. In this case, repo._refreshfilecachestats() does nothing unintentionally, but this unexpected behavior causes reloading @filecache properties after repo.invalidate(). This is reason why this patch should be applied before making _refreshfilecachestats() correctly refresh file stat of @filecache properties.
author FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
date Mon, 12 Sep 2016 03:06:28 +0900
parents a7f8939641aa
children 318a24b52eeb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # extension to emulate interupting filemerge._filemerge
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2
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3 from __future__ import absolute_import
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4
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5 from mercurial import (
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6 error,
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7 extensions,
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8 filemerge,
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9 )
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10
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11 def failfilemerge(filemergefn,
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12 premerge, repo, mynode, orig, fcd, fco, fca, labels=None):
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13 raise error.Abort("^C")
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14 return filemergefn(premerge, repo, mynode, orig, fcd, fco, fca, labels)
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15
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16 def extsetup(ui):
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17 extensions.wrapfunction(filemerge, '_filemerge',
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18 failfilemerge)