tests/test-branchmap

tests: fix bashism to load helpers.sh

`source` isn't available at POSIX sh.

#!/bin/sh

hgserve()
{
    hg serve -a localhost -p $HGPORT1 -d --pid-file=hg.pid -E errors.log -v $@ \
        | sed -e 's/:[0-9][0-9]*//g' -e 's/http:\/\/[^/]*\//http:\/\/localhost\//'
    cat hg.pid >> "$DAEMON_PIDS"
}

hg init a
hg --encoding utf-8 -R a branch æ
echo foo > a/foo
hg -R a ci -Am foo

hgserve -R a --config web.push_ssl=False --config web.allow_push=* --encoding latin1
hg --encoding utf-8 clone http://localhost:$HGPORT1 b
hg --encoding utf-8 -R b log
echo bar >> b/foo
hg -R b ci -m bar
hg --encoding utf-8 -R b push | sed "s/$HGPORT1/PORT/"
hg -R a --encoding utf-8 log

kill `cat hg.pid`


# verify 7e7d56fe4833 (encoding fallback in branchmap to maintain compatibility with 1.3.x)

cat <<EOF > oldhg
import sys
from mercurial import ui, hg, commands

class StdoutWrapper(object):
    def __init__(self, stdout):
        self._file = stdout

    def write(self, data):
        if data == '47\n':
            # latin1 encoding is one %xx (3 bytes) shorter
            data = '44\n'
        elif data.startswith('%C3%A6 '):
            # translate to latin1 encoding
            data = '%%E6 %s' % data[7:]
        self._file.write(data)

    def __getattr__(self, name):
        return getattr(self._file, name)

sys.stdout = StdoutWrapper(sys.stdout)
sys.stderr = StdoutWrapper(sys.stderr)

myui = ui.ui()
repo = hg.repository(myui, 'a')
commands.serve(myui, repo, stdio=True)
EOF

echo baz >> b/foo
hg -R b ci -m baz
hg push -R b -e 'python oldhg' ssh://dummy/ --encoding latin1