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annotate tests/test-repo-compengines.t @ 32094:2de67783dd31 stable

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color: point to the global help in the example hgrc This is probably the best way to have users learn more is they need too.
author Pierre-Yves David <pierre-yves.david@ens-lyon.org>
date Mon, 01 May 2017 15:40:41 +0200
parents 4c0a5a256ae8
children c2c8962a9465
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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Gregory Szorc <gregory.szorc@gmail.com>
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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