tests/test-filebranch

Added ability to clone from a local repository to a (new) remote one.

Rearranged the clone command a good bit to make sure it validates that
the source does exist and that the destination doesn't before doing anything.
Before I moved the source repo check it would create the destination
repository before it verified the source existed.

Moved the responsibility for creating the destination repo root directory
entirly into the localrepo class so that local to local cloning doesn't break.
This also simplifies the code a bit since it's no longer being done in both
clone and init.

Changed the names of the 'repo' and 'other' variables to 'dest_repo' and
'src_repo' to maintain my sanity.

Passes 82/83 tests. The only failure is the version number test, which I
suspect is supposed to fail since it comes from a generated file.

#!/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