Mercurial > hg
annotate tests/test-repo-compengines.t @ 39859:32d3ed3023bb
upgrade: use rawsize() instead of revlog index
The revlog index is a very low-level data structure and it shouldn't
be exposed to the storage interface - at least not in its current
form.
upgrade.py is the only consumer of the index attribute on file storage
in the repository.
This commit rewrites that final consumer to use rawsize() instead of
going through the index. This is actually the more proper API to use,
as rawsize() will accurately report the size of revisions which have
a negative size in the index.
Differential Revision: https://phab.mercurial-scm.org/D4719
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Mon, 24 Sep 2018 09:38:27 -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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80 |
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81 #endif |