Mercurial > hg > mercurial-crew-with-dirclash
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Fix cold cache diff performance
cold cache diff performance has regressed in two ways. localrepo.changes
has optimizations for diffing against the working dir parent that expect
node1 to be None. commands.revpair() usage means that commands.dodiff()
never sends node1 == None. This is fixed in localrepo.changes by checking
against the dirstate parents.
In the non-dirstate parents case, localrepo.changes does a loop comparing
files without first sorting the file names, leading to random access
across the disk.
author | Chris Mason <mason@suse.com> |
---|---|
date | Wed, 21 Jun 2006 09:28:48 -0700 |
parents | e506c14382fd |
children | ad3d5b4367cb |
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#!/bin/sh # This test makes sure that we don't mark a file as merged with its ancestor # when we do a merge. cat <<'EOF' > merge #!/bin/sh echo merging for `basename $1` EOF chmod +x merge echo creating base hg init a cd a echo 1 > foo echo 1 > bar echo 1 > baz echo 1 > quux hg add foo bar baz quux hg commit -m "base" -d "1000000 0" cd .. hg clone a b echo creating branch a cd a echo 2a > foo echo 2a > bar hg commit -m "branch a" -d "1000000 0" echo creating branch b cd .. cd b echo 2b > foo echo 2b > baz hg commit -m "branch b" -d "1000000 0" echo "we shouldn't have anything but n state here" hg debugstate | cut -b 1-16,35- echo merging hg pull ../a env HGMERGE=../merge hg merge -v echo 2m > foo echo 2b > baz echo new > quux echo "we shouldn't have anything but foo in merge state here" hg debugstate | cut -b 1-16,35- | grep "^m" hg ci -m "merge" -d "1000000 0" echo "main: we should have a merge here" hg debugindex .hg/00changelog.i echo "log should show foo and quux changed" hg log -v -r tip echo "foo: we should have a merge here" hg debugindex .hg/data/foo.i echo "bar: we shouldn't have a merge here" hg debugindex .hg/data/bar.i echo "baz: we shouldn't have a merge here" hg debugindex .hg/data/baz.i echo "quux: we shouldn't have a merge here" hg debugindex .hg/data/quux.i echo "manifest entries should match tips of all files" hg manifest echo "everything should be clean now" hg status hg verify