tests/bzr-definitions

tests: move '#require bzr' into .t files

The bzr tests are the only .t tests calling hghave (aside from the tests
testing hghave itself). This pattern is a one-off and prevents
desired refactors to how requirements checking is integrated into tests.
Use the convention used everywhere else.

# this file holds the definitions that are used in various bzr tests

TERM=dumb; export TERM
echo '[extensions]' >> $HGRCPATH
echo 'convert = ' >> $HGRCPATH

glog()
{
    hg log -G --template '{rev}@{branch} "{desc|firstline}" files: {files}\n' "$@"
}

manifest()
{
    echo "% manifest of $2"
    hg -R $1 manifest -v -r $2
}