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import re
from portage.eapi import eapi_supports_prefix, eapi_has_broot
from repoman.modules.linechecks.base import LineCheck
class EbuildAssignment(LineCheck):
"""Ensure ebuilds don't assign to readonly variables."""
repoman_check_name = 'variable.readonly'
read_only_vars = 'A|CATEGORY|P|P[VNRF]|PVR|D|WORKDIR|FILESDIR|FEATURES|USE'
readonly_assignment = re.compile(r'^\s*(export\s+)?(%s)=' % read_only_vars)
def check(self, num, line):
match = self.readonly_assignment.match(line)
e = None
if match is not None:
e = self.errors['READONLY_ASSIGNMENT_ERROR']
return e
class Eapi3EbuildAssignment(EbuildAssignment):
"""Ensure ebuilds don't assign to readonly EAPI 3-introduced variables."""
read_only_vars = 'ED|EPREFIX|EROOT'
readonly_assignment = re.compile(r'\s*(export\s+)?(%s)=' % read_only_vars)
def check_eapi(self, eapi):
return eapi_supports_prefix(eapi)
class Eapi7EbuildAssignment(EbuildAssignment):
"""Ensure ebuilds don't assign to readonly EAPI 7-introduced variables."""
readonly_assignment = re.compile(r'\s*(export\s+)?BROOT=')
def check_eapi(self, eapi):
return eapi_has_broot(eapi)
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