Mercurial > hg
annotate tests/test-custom-filters.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> |
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date | Wed, 16 Nov 2022 13:05:01 +0100 |
parents | ee9981bc8b44 |
children | 55c6ebd11cb9 |
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1 $ hg init |
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2 |
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3 $ cat > .hg/hgrc <<EOF |
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4 > [extensions] |
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5 > prefixfilter = prefix.py |
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6 > [encode] |
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7 > *.txt = stripprefix: Copyright 2046, The Masters |
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8 > [decode] |
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9 > *.txt = insertprefix: Copyright 2046, The Masters |
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10 > EOF |
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11 |
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12 $ cat > prefix.py <<EOF |
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13 > from mercurial import error |
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14 > def stripprefix(s, cmd, filename, **kwargs): |
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15 > header = b'%s\n' % cmd |
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16 > if s[:len(header)] != header: |
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17 > raise error.Abort(b'missing header "%s" in %s' % (cmd, filename)) |
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18 > return s[len(header):] |
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19 > def insertprefix(s, cmd): |
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20 > return b'%s\n%s' % (cmd, s) |
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21 > def reposetup(ui, repo): |
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22 > repo.adddatafilter(b'stripprefix:', stripprefix) |
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23 > repo.adddatafilter(b'insertprefix:', insertprefix) |
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24 > EOF |
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25 |
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26 $ cat > .hgignore <<EOF |
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27 > .hgignore |
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28 > prefix.py |
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29 > prefix.pyc |
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30 > __pycache__/ |
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31 > EOF |
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32 |
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33 $ cat > stuff.txt <<EOF |
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34 > Copyright 2046, The Masters |
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35 > Some stuff to ponder very carefully. |
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36 > EOF |
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37 $ hg add stuff.txt |
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38 $ hg ci -m stuff |
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39 |
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40 Repository data: |
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41 |
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42 $ hg cat stuff.txt |
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43 Some stuff to ponder very carefully. |
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44 |
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45 Fresh checkout: |
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46 |
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47 $ rm stuff.txt |
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48 $ hg up -C |
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49 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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50 $ cat stuff.txt |
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51 Copyright 2046, The Masters |
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52 Some stuff to ponder very carefully. |
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53 $ echo "Very very carefully." >> stuff.txt |
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54 $ hg stat |
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55 M stuff.txt |
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56 |
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57 $ echo "Unauthorized material subject to destruction." > morestuff.txt |
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58 |
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59 Problem encoding: |
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60 |
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61 $ hg add morestuff.txt |
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62 $ hg ci -m morestuff |
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63 abort: missing header "Copyright 2046, The Masters" in morestuff.txt |
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64 [255] |
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65 $ hg stat |
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66 M stuff.txt |
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67 A morestuff.txt |