def _make(self, name, block='_all'):
"""
An internal method used by :`~rules.RuleCloth.fetch()` to process
content from :attr:`~rules.RuleCloth.rules` and return
:meth:`~cloth.BuildCloth.get_block()` in Makefile format.
"""
rule = self.rules[name]
m = MakefileCloth()
for cmd in rule['command']:
m.job(cmd, block=block)
m.msg(rule['description'], block=block)
if 'depfile' in rule:
m.raw(['include ' + rule['depfile']], block=block)
return m.get_block(block)
