Mercurial > hg
annotate tests/test-install.t @ 24787:9d5c27890790
largefiles: for update -C, only update largefiles when necessary
Before, a --clean update with largefiles would use the "optimization" that it
didn't read hashes from standin files before and after the update. Instead of
trusting the content of the standin files, it would rehash all the actual
largefiles that lfdirstate reported clean and update the standins that didn't
have the expected content. It could thus in some "impossible" situations
automatically recover from some "largefile got out sync with its standin"
issues (even there apparently still were weird corner cases where it could
fail). This extra checking is similar to what core --clean intentionally do
not do, and it made update --clean unbearable slow.
Usually in core Mercurial, --clean will rely on the dirstate to find the files
it should update. (It is thus intentionally possible (when trying to trick the
system or if there should be bugs) to end up in situations where --clean not
will restore the working directory content correctly.) Checking every file when
we "know" it is ok is however not an option - that would be too slow.
Instead, trust the content of the standin files. Use the same logic for --clean
as for linear updates and trust the dirstate and that our "logic" will keep
them in sync. It is much cheaper to just rehash the largefiles reported dirty
by a status walk and read all standins than to hash largefiles.
Most of the changes are just a change of indentation now when the different
kinds of updates no longer are handled that differently. Standins for added
files are however only written when doing a normal update, while deleted and
removed files only will be updated for --clean updates.
| author | Mads Kiilerich <madski@unity3d.com> |
|---|---|
| date | Wed, 15 Apr 2015 15:22:16 -0400 |
| parents | f1dfef0a9352 |
| children | be4915009b09 |
| rev | line source |
|---|---|
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1 hg debuginstall |
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2 $ hg debuginstall |
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3 checking encoding (ascii)... |
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4 checking Python executable (*) (glob) |
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5 checking Python version (2.*) (glob) |
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6 checking Python lib (*lib*)... (glob) |
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7 checking installed modules (*mercurial)... (glob) |
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8 checking templates (*mercurial?templates)... (glob) |
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9 checking commit editor... |
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10 checking username... |
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11 no problems detected |
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12 |
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13 hg debuginstall with no username |
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14 $ HGUSER= hg debuginstall |
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15 checking encoding (ascii)... |
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parents:
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16 checking Python executable (*) (glob) |
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f1dfef0a9352
debuginstall: change showing to checking for consistency and future checking
Matt Mackall <mpm@selenic.com>
parents:
20740
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17 checking Python version (2.*) (glob) |
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17392
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debuginstall: show directory for Python lib
Adrian Buehlmann <adrian@cadifra.com>
parents:
16934
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18 checking Python lib (*lib*)... (glob) |
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16934
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Martin Geisler <mg@aragost.com>
parents:
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19 checking installed modules (*mercurial)... (glob) |
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0c9c41e53f1a
debuginstall: lowercase status messages
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parents:
15447
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20 checking templates (*mercurial?templates)... (glob) |
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0c9c41e53f1a
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parents:
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21 checking commit editor... |
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22 checking username... |
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23 no username supplied |
| 12084 | 24 (specify a username in your configuration file) |
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25 1 problems detected, please check your install! |
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26 [1] |