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annotate tests/test-repo-compengines.t @ 37627:cfb32979abcd

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setup: add packages for concurrent.futures We conceivably don't need to distribute this package on Python 3 since we will use the version in the standard library. However, we want installs to be usable of multiple versions of Python. So it is best to always have it. Differential Revision: https://phab.mercurial-scm.org/D3265
author Gregory Szorc <gregory.szorc@gmail.com>
date Mon, 09 Apr 2018 12:27:52 -0700
parents c2c8962a9465
children 4fe18205bbdb
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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 testonly-simplestore (reposimplestore !)
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12
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13 $ touch foo
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14 $ hg -q commit -A -m 'initial commit with a lot of repeated repeated repeated text to trigger compression'
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15 $ hg debugrevlog -c | grep 0x78
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16 0x78 (x) : 1 (100.00%)
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17 0x78 (x) : 110 (100.00%)
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18
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19 $ cd ..
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20
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21 Unknown compression engine to format.compression aborts
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22
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23 $ hg --config experimental.format.compression=unknown init unknown
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24 abort: compression engine unknown defined by experimental.format.compression not available
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25 (run "hg debuginstall" to list available compression engines)
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26 [255]
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27
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28 A requirement specifying an unknown compression engine results in bail
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29
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30 $ hg init unknownrequirement
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31 $ cd unknownrequirement
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32 $ echo exp-compression-unknown >> .hg/requires
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33 $ hg log
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34 abort: repository requires features unknown to this Mercurial: exp-compression-unknown!
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35 (see https://mercurial-scm.org/wiki/MissingRequirement for more information)
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36 [255]
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37
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38 $ cd ..
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39
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40 #if zstd
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41
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42 $ hg --config experimental.format.compression=zstd init zstd
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43 $ cd zstd
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44 $ cat .hg/requires
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45 dotencode
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46 exp-compression-zstd
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47 fncache
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48 generaldelta
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49 revlogv1
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50 store
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51 testonly-simplestore (reposimplestore !)
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52
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53 $ touch foo
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54 $ hg -q commit -A -m 'initial commit with a lot of repeated repeated repeated text'
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55
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56 $ hg debugrevlog -c | grep 0x28
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57 0x28 : 1 (100.00%)
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58 0x28 : 98 (100.00%)
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59
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60 $ cd ..
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61
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62 Specifying a new format.compression on an existing repo won't introduce data
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63 with that engine or a requirement
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64
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65 $ cd default
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66 $ touch bar
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67 $ hg --config experimental.format.compression=zstd -q commit -A -m 'add bar with a lot of repeated repeated repeated text'
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68
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69 $ cat .hg/requires
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70 dotencode
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71 fncache
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72 generaldelta
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73 revlogv1
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74 store
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75 testonly-simplestore (reposimplestore !)
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76
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77 $ hg debugrevlog -c | grep 0x78
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78 0x78 (x) : 2 (100.00%)
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79 0x78 (x) : 199 (100.00%)
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81 #endif