Mercurial > hg
annotate tests/test-revlog-v2.t @ 42194:0da689a60163
fix: allow fixer tools to return metadata in addition to the file content
With this change, fixer tools can be configured to output a JSON object that
will be parsed and passed to hooks that can be used to print summaries of what
code was formatted or perform other post-fixing work.
The motivation for this change is to allow parallel executions of a
"meta-formatter" tool to report back statistics, which are then aggregated and
processed after all formatting has completed. Providing an extensible mechanism
inside fix.py is far simpler, and more portable, than trying to make a tool
like this communicate through some other channel.
Differential Revision: https://phab.mercurial-scm.org/D6167
author | Danny Hooper <hooper@google.com> |
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date | Thu, 21 Mar 2019 18:32:45 -0700 |
parents | e7a2cc84dbc0 |
children | 15d35f2ba474 |
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1 #require reporevlogstore |
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2 |
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3 A repo with unknown revlogv2 requirement string cannot be opened |
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4 |
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5 $ hg init invalidreq |
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6 $ cd invalidreq |
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7 $ echo exp-revlogv2.unknown >> .hg/requires |
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8 $ hg log |
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9 abort: repository requires features unknown to this Mercurial: exp-revlogv2.unknown! |
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10 (see https://mercurial-scm.org/wiki/MissingRequirement for more information) |
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11 [255] |
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12 $ cd .. |
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13 |
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14 Can create and open repo with revlog v2 requirement |
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15 |
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16 $ cat >> $HGRCPATH << EOF |
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17 > [experimental] |
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18 > revlogv2 = enable-unstable-format-and-corrupt-my-data |
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19 > EOF |
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20 |
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21 $ hg init empty-repo |
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22 $ cd empty-repo |
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23 $ cat .hg/requires |
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24 dotencode |
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25 exp-revlogv2.1 |
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26 fncache |
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27 sparserevlog |
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28 store |
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29 |
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30 $ hg log |
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31 |
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32 Unknown flags to revlog are rejected |
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33 |
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34 >>> with open('.hg/store/00changelog.i', 'wb') as fh: |
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35 ... fh.write(b'\x00\x04\xde\xad') and None |
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36 |
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37 $ hg log |
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38 abort: unknown flags (0x04) in version 57005 revlog 00changelog.i! |
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39 [255] |
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40 |
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41 $ cd .. |
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42 |
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43 Writing a simple revlog v2 works |
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44 |
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45 $ hg init simple |
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46 $ cd simple |
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47 $ touch foo |
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48 $ hg -q commit -A -m initial |
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49 |
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50 $ hg log |
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51 changeset: 0:96ee1d7354c4 |
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52 tag: tip |
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53 user: test |
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54 date: Thu Jan 01 00:00:00 1970 +0000 |
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55 summary: initial |
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56 |
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57 Header written as expected |
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58 |
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59 $ f --hexdump --bytes 4 .hg/store/00changelog.i |
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60 .hg/store/00changelog.i: |
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61 0000: 00 01 de ad |....| |
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62 |
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63 $ f --hexdump --bytes 4 .hg/store/data/foo.i |
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64 .hg/store/data/foo.i: |
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65 0000: 00 01 de ad |....| |