Mercurial > hg
annotate tests/test-symlink-placeholder.t @ 27372:a79cba6cb206
help: add documentation for changegroup formats
There is no formal location for spec-like technical/internal docs. The
repository makes sense as such a location because spec-like
documentation should be reviewed (ruling out a wiki). mpm has also
stated that he would like this documentation to be part of the
built-in help system. So, we establish an "internals" sub-directory
to hold this class of documentation.
The format of changegroups does not appear to be documented anywhere,
even in source code. It therefore seemed like an appropriate first thing
to document.
This patch adds low-level documentation of versions 1 and 2 of the
changegroup foromat. It currently only describes the raw data format.
There is probably room to write higher-level documentation on strategies
for producing and consuming the data. We'll leave that for another day.
The added file is not yet accessible via `hg help` nor via hgweb.
Support for this will follow in subsequent patches.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Sun, 25 Oct 2015 00:19:45 +0100 |
parents | 7a9cbb315d84 |
children | 0a10f142299d |
rev | line source |
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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') |
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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) |
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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') |
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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 .. |