tests/fakemergerecord.py

revset: check invalid function syntax "func-name"() explicitly

Before the error was caught at func() as an unknown identifier, and the
optimizer failed to detect the syntax error. This patch introduces getsymbol()
helper to ensure that a string is not allowed as a function name.

# Extension to write out fake unsupported records into the merge state
#
#

from __future__ import absolute_import

from mercurial import (
    cmdutil,
    merge,
)

cmdtable = {}
command = cmdutil.command(cmdtable)

@command('fakemergerecord',
         [('X', 'mandatory', None, 'add a fake mandatory record'),
          ('x', 'advisory', None, 'add a fake advisory record')], '')
def fakemergerecord(ui, repo, *pats, **opts):
    ms = merge.mergestate.read(repo)
    records = ms._makerecords()
    if opts.get('mandatory'):
        records.append(('X', 'mandatory record'))
    if opts.get('advisory'):
        records.append(('x', 'advisory record'))
    ms._writerecords(records)