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annotate tests/test-repo-compengines.t @ 39883:3e896b51aa5d

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storageutil: move metadata parsing and packing from revlog (API) Parsing and writing of revision text metadata is likely identical across storage backends. Let's move the code out of revlog so we don't need to import the revlog module in order to use it. Differential Revision: https://phab.mercurial-scm.org/D4754
author Gregory Szorc <gregory.szorc@gmail.com>
date Mon, 24 Sep 2018 14:31:31 -0700
parents c2c8962a9465
children 4fe18205bbdb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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80
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81 #endif