Mercurial > hg > mercurial-crew-with-dirclash
annotate tests/test-manifest-merging @ 5378:8a2915f57dfc
convert: add a mode where mercurial_sink skips empty revisions.
The getchanges function of some converter_source classes can return
some false positives. I.e. they sometimes claim that a file "foo"
was changed in some revision, even though its contents are still the
same.
convert_svn is particularly bad, but I think this can also happen with
convert_cvs and, at least in theory, with mercurial_source.
For regular conversions this is not really a problem - as long as
getfile returns the right contents, we'll get a converted revision
with the right contents. But when we use --filemap, this could lead
to superfluous revisions being converted.
Instead of fixing every converter_source, I decided to change
mercurial_sink to work around this problem.
When --filemap is used, we're interested only in revisions that touch
some specific files. If a revision doesn't change any of these files,
then we're not interested in it (at least for revisions with a single
parent; merges are special).
For mercurial_sink, we abuse this property and rollback a commit if
the manifest text hasn't changed. This avoids duplicating the logic
from localrepo.filecommit to detect unchanged files.
author | Alexis S. L. Carvalho <alexis@cecm.usp.br> |
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date | Thu, 04 Oct 2007 23:21:37 -0300 |
parents | 9dcf9d45cab8 |
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1 #!/bin/sh |
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2 |
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3 echo % init foo-base |
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4 hg init foo-base |
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5 |
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6 echo % create alpha in first repo |
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7 cd foo-base |
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8 echo 'alpha' > alpha |
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9 hg ci -A -m 'add alpha' -d '1 0' |
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10 cd .. |
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11 |
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12 echo % clone foo-base to foo-work |
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13 hg clone foo-base foo-work |
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14 |
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15 echo % create beta in second repo |
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16 cd foo-work |
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17 echo 'beta' > beta |
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18 hg ci -A -m 'add beta' -d '2 0' |
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19 cd .. |
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20 |
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21 echo % create gamma in first repo |
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22 cd foo-base |
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23 echo 'gamma' > gamma |
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24 hg ci -A -m 'add gamma' -d '3 0' |
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25 cd .. |
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26 |
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27 echo % pull into work and merge |
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28 cd foo-work |
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make manifest-merging test reproduceable
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29 hg pull -q |
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30 hg merge |
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31 |
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32 echo % revert to changeset 1 to simulate a failed merge |
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Don't use -f for rm in tests where not needed. Drop /bin/ from /bin/rm.
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33 rm alpha beta gamma |
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34 hg up -C 1 |