tests/test-mq-qfold

localrepo: remove 'closed' argument to heads(...) function

- repository heads are not associated with the closed attribute, so
remove it making the code in line with the concept.
- Fix functions that were calling heads with the parameter.
- Adjust webcommands.branches to include the concept of inactive
as well as open and closed branches
- Fix code and docstrings in commands to make the correct use of
closed branches & branch heads clearer
- Improve grammar of 'hg heads' help text (2nd submission)

this does not alter the cli for hg branches, that work is
still to be done

#!/bin/sh

echo "[extensions]" >> $HGRCPATH
echo "mq=" >> $HGRCPATH

filterdiff()
{
    grep -v diff | \
	sed -e "s/\(+++ [a-zA-Z0-9_/.-]*\).*/\1/" \
	-e "s/\(--- [a-zA-Z0-9_/.-]*\).*/\1/"
}

echo '% init'
hg init repo
cd repo
echo a > a
hg ci -Am adda
echo a >> a
hg qnew -f p1
echo b >> a
hg qnew -f p2
echo c >> a
hg qnew -f p3
echo '% fold in the middle of the queue'
hg qpop p1
hg qdiff | filterdiff
hg qfold p2
hg qser
hg qdiff | filterdiff
echo '% fold with local changes'
echo d >> a
hg qfold p3
hg diff -c . | filterdiff
cd ..