Mercurial > hg > mercurial-crew-with-dirclash
view tests/test-url-rev @ 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> |
---|---|
date | Thu, 04 Oct 2007 23:21:37 -0300 |
parents | 20817af258d8 |
children |
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#!/bin/sh # test basic functionality of url#rev syntax hg init repo cd repo echo a > a hg ci -qAm 'add a' -d '0 0' hg branch foo echo >> a hg ci -m 'change a' -d '0 0' cd .. echo '% clone repo#foo' hg clone 'repo#foo' clone echo '% heads' hg --cwd clone heads echo '% parents' hg --cwd clone parents sed -e 's/default.*#/default = #/' clone/.hg/hgrc echo echo '% changing original repo' cd repo echo >> a hg ci -m 'new head of branch foo' -d '0 0' hg up -qC default echo bar > bar hg ci -qAm 'add bar' -d '0 0' hg log echo echo '% outgoing' hg -q outgoing '../clone#foo' echo echo '% push' hg -q push '../clone#foo' hg --cwd ../clone heads cd .. echo echo '% rolling back' cd clone hg rollback echo '% incoming' hg -q incoming echo '% pull' hg -q pull hg heads echo echo '% pull should not have updated' hg parents -q echo '% going back to the default branch' hg up -C 0 hg parents echo '% no new revs, no update' hg pull -qu hg parents -q echo '% rollback' hg rollback hg up -C 0 hg parents -q echo '% pull -u takes us back to branch foo' hg pull -qu hg parents echo '% rollback' hg rollback hg up -C 0 echo '% parents' hg parents -q echo '% heads' hg heads -q echo '% pull -u -r otherrev url#rev updates to rev' hg pull -qur default default echo '% parents' hg parents echo '% heads' hg heads