Mercurial > hg
annotate tests/test-pull-r @ 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 | 8ede77c2d008 |
children | b8346ae5d64b |
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1 #!/bin/sh |
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2 |
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3 hg init repo |
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4 cd repo |
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5 echo foo > foo |
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6 hg ci -qAm 'add foo' -d '0 0' |
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7 echo >> foo |
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8 hg ci -m 'change foo' -d '0 0' |
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9 hg up -qC 0 |
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10 echo bar > bar |
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
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11 hg ci -qAm 'add bar' -d '0 0' |
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
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12 hg log |
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
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13 cd .. |
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14 hg init copy |
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15 cd copy |
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16 |
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17 echo '% pull -r 0' |
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18 hg pull -qr 0 ../repo |
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19 hg log |
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20 |
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21 echo '% pull -r 1' |
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22 hg pull -qr 1 ../repo |
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
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23 hg log |
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24 |
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Alexis S. L. Carvalho <alexis@cecm.usp.br>
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25 # this used to abort: received changelog group is empty |
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26 echo '% pull -r 1 again' |
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27 hg pull -qr 1 ../repo |