Mercurial > hg
annotate tests/test-symlink-placeholder.t @ 18944:a9c443b3b240
unionrepo: read-only operations on a union of two localrepos
unionrepo is just like bundlerepo without bundles.
The implementation is very similar to bundlerepo, but I don't see any obvious
way to generalize it.
Some most obvious use cases for this would be log and diff across local repos,
as a kind of preview of pulls, for instance:
$ hg -R union:repo1+repo2 heads
$ hg -R union:repo1+repo2 log -r REPO1REV -r REPO2REV
$ hg -R union:repo1+repo2 log -r '::REPO1REV-::REPO2REV'
$ hg -R union:repo1+repo2 log -r 'ancestor(REPO1REV,REPO2REV)'
$ hg -R union:repo1+repo2 diff -r REPO1REV -r REPO2REV
This is going to be used in RhodeCode, and Bitbucket already uses something
similar. Having a core implementation would be beneficial.
author | Mads Kiilerich <madski@unity3d.com> |
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date | Fri, 18 Jan 2013 15:54:09 +0100 |
parents | f2719b387380 |
children | 36f48c7d5944 |
rev | line source |
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1 $ "$TESTDIR/hghave" symlink || exit 80 |
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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 Write binary data to the placeholder: |
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45 |
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46 >>> open('b', 'w').write('this is a binary\0') |
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47 $ hg --config extensions.n=$TESTTMP/nolink.py st --debug |
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48 ignoring suspect symlink placeholder "b" |
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49 |
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50 Write a long string to the placeholder: |
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51 |
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52 >>> open('b', 'w').write('this' * 1000) |
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53 $ hg --config extensions.n=$TESTTMP/nolink.py st --debug |
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54 ignoring suspect symlink placeholder "b" |
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55 |
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56 Commit shouldn't succeed: |
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57 |
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58 $ hg --config extensions.n=$TESTTMP/nolink.py ci -m1 |
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59 nothing changed |
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60 [1] |
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61 |
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62 Write a valid string to the placeholder: |
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63 |
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64 >>> open('b', 'w').write('this') |
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65 $ hg --config extensions.n=$TESTTMP/nolink.py st --debug |
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66 M b |
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67 $ hg --config extensions.n=$TESTTMP/nolink.py ci -m1 |
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68 $ hg manifest tip --verbose |
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69 644 a |
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70 644 @ b |
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71 |
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72 $ cd .. |