annotate tests/test-issue2137.t @ 49603:3eda36e9b3d6 stable

matcher: fix issues regex flag contained in pattern (issue6759) Python 3.11 is now enforcing that flag must be at the beginning of the regex This creates a serious regression for people using Python 3.11 with an hgignore using flag in a "relre" pattern. We now detect any flags in such pattern and "prepend" our ".*" pattern after them. In addition, we now insert the flag in the regexp to only affect the pattern we are rewriting. Otherwise, the regex built from the combined pattern would these flags in the middle of it anyway. As a side effect of this last change, we fix a bug… before this change regex flag in a pattern would affect all combined patterns. That was bad and is not longer the case. The Rust code needs to be updated to fix that very bug, but we will do it in another changeset.
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Wed, 16 Nov 2022 13:05:01 +0100
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 ..