35 lines
912 B
Python
35 lines
912 B
Python
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#!/usr/bin/python
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import sys
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def parse_sysusers_file(filename):
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users, groups = set(), set()
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for line in open(filename):
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line = line.strip()
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if not line or line.startswith('#'):
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continue
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words = line.split()
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match words[0]:
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case 'u':
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users.add(words[1])
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case 'g':
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groups.add(words[1])
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case 'm'|'r':
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continue
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case _:
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assert False
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return users, groups
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setup_users, setup_groups = parse_sysusers_file(sys.argv[1])
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setup_users2, setup_groups2 = parse_sysusers_file(sys.argv[2])
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setup_users |= setup_users2
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setup_groups |= setup_groups2
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basic_users, basic_groups = parse_sysusers_file(sys.argv[3])
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if d := basic_users - setup_users:
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exit(f'We have new users: {d}')
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if d := basic_groups - setup_groups:
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exit(f'We have new groups: {d}')
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