Mercurial > hg
annotate tests/test-repo-compengines.t @ 31975:76169296e52f
obsolescence: add test for the "branch replacement" logic during push, case A2
Mercurial checks for the introduction of new heads on push. Evolution comes
into play to detect if existing branches on the server are being replaced by
some of the new one we push.
The current code for this logic is very basic (eg: issue4354) and was poorly
tested. We have a better implementation coming in the evolve extension fixing
these issues and with more serious tests coverage. In the process of upstreaming
this improved logic, we start with adding the test case that are already passing
with the current implementation. Once they are all in, we'll upstream the better
implementation and the extra test case.
See inline documentation for details about the test case added in this
changeset.
author | Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
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date | Thu, 13 Apr 2017 16:23:01 +0200 |
parents | 4c0a5a256ae8 |
children | c2c8962a9465 |
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1 A new repository uses zlib storage, which doesn't need a requirement |
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2 |
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3 $ hg init default |
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4 $ cd default |
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5 $ cat .hg/requires |
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6 dotencode |
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7 fncache |
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8 generaldelta |
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9 revlogv1 |
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10 store |
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11 |
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12 $ touch foo |
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13 $ hg -q commit -A -m 'initial commit with a lot of repeated repeated repeated text to trigger compression' |
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14 $ hg debugrevlog -c | grep 0x78 |
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15 0x78 (x) : 1 (100.00%) |
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16 0x78 (x) : 110 (100.00%) |
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17 |
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18 $ cd .. |
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19 |
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20 Unknown compression engine to format.compression aborts |
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21 |
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22 $ hg --config experimental.format.compression=unknown init unknown |
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23 abort: compression engine unknown defined by experimental.format.compression not available |
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24 (run "hg debuginstall" to list available compression engines) |
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25 [255] |
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26 |
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27 A requirement specifying an unknown compression engine results in bail |
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28 |
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29 $ hg init unknownrequirement |
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30 $ cd unknownrequirement |
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31 $ echo exp-compression-unknown >> .hg/requires |
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32 $ hg log |
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33 abort: repository requires features unknown to this Mercurial: exp-compression-unknown! |
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34 (see https://mercurial-scm.org/wiki/MissingRequirement for more information) |
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35 [255] |
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36 |
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37 $ cd .. |
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38 |
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39 #if zstd |
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40 |
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41 $ hg --config experimental.format.compression=zstd init zstd |
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42 $ cd zstd |
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43 $ cat .hg/requires |
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44 dotencode |
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45 exp-compression-zstd |
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46 fncache |
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47 generaldelta |
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48 revlogv1 |
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49 store |
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50 |
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51 $ touch foo |
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52 $ hg -q commit -A -m 'initial commit with a lot of repeated repeated repeated text' |
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53 |
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54 $ hg debugrevlog -c | grep 0x28 |
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55 0x28 : 1 (100.00%) |
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56 0x28 : 98 (100.00%) |
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57 |
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58 $ cd .. |
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59 |
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60 Specifying a new format.compression on an existing repo won't introduce data |
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61 with that engine or a requirement |
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62 |
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63 $ cd default |
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64 $ touch bar |
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65 $ hg --config experimental.format.compression=zstd -q commit -A -m 'add bar with a lot of repeated repeated repeated text' |
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66 |
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67 $ cat .hg/requires |
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68 dotencode |
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69 fncache |
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70 generaldelta |
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71 revlogv1 |
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72 store |
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73 |
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74 $ hg debugrevlog -c | grep 0x78 |
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75 0x78 (x) : 2 (100.00%) |
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76 0x78 (x) : 199 (100.00%) |
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77 |
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78 #endif |