Mercurial > hg
annotate tests/helpers-testrepo.sh @ 47072:4c041c71ec01
revlog: introduce an explicit tracking of what the revlog is about
Since the dawn of time, people have been forced to rely to lossy introspection
of the index filename to determine what the purpose and role of the revlog they
encounter is. This is hacky, error prone, inflexible, abstraction-leaky,
<insert-your-own-complaints-here>.
In f63299ee7e4d Raphaël introduced a new attribute to track this information:
`revlog_kind`. However it is initialized in an odd place and various instances
end up not having it set. In addition is only tracking some of the information
we end up having to introspect in various pieces of code.
So we add a new attribute that holds more data and is more strictly enforced.
This work is done in collaboration with Raphaël.
The `revlog_kind` one will be removed/adapted in the next changeset. We expect
to be able to clean up various existing piece of code and to simplify coming
work around the newer revlog format.
Differential Revision: https://phab.mercurial-scm.org/D10352
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Tue, 06 Apr 2021 05:20:24 +0200 |
parents | 152f1b47e0ad |
children | 813226b3b4ca 16574ca8b155 |
rev | line source |
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1 # In most cases, the mercurial repository can be read by the bundled hg, but |
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2 # that isn't always true because third-party extensions may change the store |
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3 # format, for example. In which case, the system hg installation is used. |
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4 # |
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5 # We want to use the hg version being tested when interacting with the test |
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6 # repository, and the system hg when interacting with the mercurial source code |
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7 # repository. |
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8 # |
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9 # The mercurial source repository was typically orignally cloned with the |
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10 # system mercurial installation, and may require extensions or settings from |
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11 # the system installation. |
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12 |
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13 if [ -n "$HGTESTEXTRAEXTENSIONS" ]; then |
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14 for extension in $HGTESTEXTRAEXTENSIONS; do |
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15 extraoptions="$extraoptions --config extensions.$extension=!" |
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16 done |
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17 fi |
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18 |
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19 syshg () { |
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20 ( |
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21 syshgenv |
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22 exec hg "$@" |
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23 ) |
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24 } |
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25 |
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26 # Revert the environment so that running "hg" runs the system hg |
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27 # rather than the test hg installation. |
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28 syshgenv () { |
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29 . "$HGTEST_RESTOREENV" |
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30 HGPLAIN=1 |
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31 export HGPLAIN |
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32 } |
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33 |
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34 # The test-repo is a live hg repository which may have evolution markers |
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35 # created, e.g. when a ~/.hgrc enabled evolution. |
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36 # |
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37 # Tests may be run using a custom HGRCPATH, which do not enable evolution |
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38 # markers by default. |
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39 # |
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40 # If test-repo includes evolution markers, and we do not enable evolution |
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41 # markers, hg will occasionally complain when it notices them, which disrupts |
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42 # tests resulting in sporadic failures. |
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43 # |
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44 # Since we aren't performing any write operations on the test-repo, there's |
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45 # no harm in telling hg that we support evolution markers, which is what the |
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46 # following lines for the hgrc file do: |
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47 cat >> "$HGRCPATH" << EOF |
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48 [experimental] |
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49 evolution = createmarkers |
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50 EOF |
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51 |
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52 # Use the system hg command if the bundled hg can't read the repository with |
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53 # no warning nor error. |
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54 if [ -n "`hg id -R "$TESTDIR/.." 2>&1 >/dev/null`" ]; then |
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55 alias testrepohg=syshg |
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56 alias testrepohgenv=syshgenv |
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57 else |
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58 alias testrepohg="hg $extraoptions" |
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59 alias testrepohgenv=: |
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60 fi |