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merge: forcefully mark files that we get from the second parent as dirty
After a hg merge, we want to include in the commit all the files that we
got from the second parent, so that we have the correct file-level
history. To make them visible to hg commit, we try to mark them as dirty.
Unfortunately, right now we can't really mark them as dirty[1] - the
best we can do is to mark them as needing a full comparison of their
contents, but they will still be considered clean if they happen to be
identical to the version in the first parent.
This changeset extends the dirstate format in a compatible way, so that
we can mark a file as dirty:
Right now we use a negative file size to indicate we don't have valid
stat data for this entry. In practice, this size is always -1.
This patch uses -2 to indicate that the entry is dirty. Older versions
of hg won't choke on this dirstate, but they may happily mark the file
as clean after a full comparison, destroying all of our hard work.
The patch adds a dirstate.normallookup method with the semantics of the
current normaldirty, and changes normaldirty to forcefully mark the
entry as dirty.
This should fix issue522.
[1] - well, we could put them in state 'm', but that state has a
different meaning.
author | Alexis S. L. Carvalho <alexis@cecm.usp.br> |
---|---|
date | Thu, 23 Aug 2007 01:48:29 -0300 |
parents | b0140ead7f70 |
children |
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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 import sys, os print "merging for", os.path.basename(sys.argv[1]) EOF HGMERGE="python ../merge"; export HGMERGE 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 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/store/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/store/data/foo.i echo "bar: we shouldn't have a merge here" hg debugindex .hg/store/data/bar.i echo "baz: we shouldn't have a merge here" hg debugindex .hg/store/data/baz.i echo "quux: we shouldn't have a merge here" hg debugindex .hg/store/data/quux.i echo "manifest entries should match tips of all files" hg manifest --debug echo "everything should be clean now" hg status hg verify