Mercurial > hg
annotate tests/test-symlink-placeholder.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 |
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1 #require symlink |
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2 |
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3 Create extension that can disable symlink support: |
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4 |
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5 $ cat > nolink.py <<EOF |
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6 > from mercurial import extensions, util |
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7 > def setflags(orig, f, l, x): |
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8 > pass |
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9 > def checklink(orig, path): |
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10 > return False |
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11 > def extsetup(ui): |
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12 > extensions.wrapfunction(util, 'setflags', setflags) |
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13 > extensions.wrapfunction(util, 'checklink', checklink) |
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14 > EOF |
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15 |
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16 $ hg init unix-repo |
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17 $ cd unix-repo |
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18 $ echo foo > a |
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19 $ ln -s a b |
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20 $ hg ci -Am0 |
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21 adding a |
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22 adding b |
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23 $ cd .. |
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24 |
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25 Simulate a checkout shared on NFS/Samba: |
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26 |
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27 $ hg clone -q unix-repo shared |
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28 $ cd shared |
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29 $ rm b |
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30 $ echo foo > b |
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31 $ hg --config extensions.n=$TESTTMP/nolink.py status --debug |
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32 ignoring suspect symlink placeholder "b" |
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33 |
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34 Make a clone using placeholders: |
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35 |
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36 $ hg --config extensions.n=$TESTTMP/nolink.py clone . ../win-repo |
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37 updating to branch default |
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38 2 files updated, 0 files merged, 0 files removed, 0 files unresolved |
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39 $ cd ../win-repo |
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40 $ cat b |
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41 a (no-eol) |
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42 $ hg --config extensions.n=$TESTTMP/nolink.py st --debug |
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43 |
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44 Empty placeholder: |
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45 |
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46 $ rm b |
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47 $ touch b |
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48 $ hg --config extensions.n=$TESTTMP/nolink.py st --debug |
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49 ignoring suspect symlink placeholder "b" |
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50 |
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51 Write binary data to the placeholder: |
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52 |
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53 >>> open('b', 'w').write('this is a binary\0') and None |
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54 $ hg --config extensions.n=$TESTTMP/nolink.py st --debug |
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55 ignoring suspect symlink placeholder "b" |
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56 |
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57 Write a long string to the placeholder: |
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58 |
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59 >>> open('b', 'w').write('this' * 1000) and None |
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60 $ hg --config extensions.n=$TESTTMP/nolink.py st --debug |
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61 ignoring suspect symlink placeholder "b" |
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62 |
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63 Commit shouldn't succeed: |
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64 |
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65 $ hg --config extensions.n=$TESTTMP/nolink.py ci -m1 |
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66 nothing changed |
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67 [1] |
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68 |
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69 Write a valid string to the placeholder: |
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70 |
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71 >>> open('b', 'w').write('this') and None |
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72 $ hg --config extensions.n=$TESTTMP/nolink.py st --debug |
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73 M b |
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74 $ hg --config extensions.n=$TESTTMP/nolink.py ci -m1 |
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75 $ hg manifest tip --verbose |
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76 644 a |
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77 644 @ b |
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78 |
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79 $ cd .. |