Mercurial > hg
annotate tests/test-symlink-placeholder.t @ 39232:0a5b20c107a6
repository: remove storedeltachains from ifilestorage
The ifilestorage interface was bootstrapped from requirements of
callers outside the storage implementation (revlogs). I believe we
even made some members public so they could be part of the interface!
Historically, the changegroup code was a gross offender when it
came to accessing low-level storage primitives. There are a handful
of members on the ifilestorage interface that are/were used only
for changegroup code.
With the recent refactor of changegroup code and the establishment
of a formal API on the storage interface for producing revision
deltas, the changegroup code is no longer accessing these low-level
primitives related to delta generation directly. Instead, things
are abstracted away in the storage implementation.
This means we can remove elements from the storage interface that
are no longer needed.
We start with "storedeltachains."
We remove it from the interface. Then we make it a private
attribute and update all references.
.. api:: storedeltachains has been dropped from ifilestorage interface
.. api:: storedeltachains on revlog classes is now _storedeltachains
Differential Revision: https://phab.mercurial-scm.org/D4227
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Thu, 09 Aug 2018 16:11:24 -0700 |
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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 .. |