ansible/test/sanity/code-smell/shebang.py

92 lines
3.1 KiB
Python
Raw Normal View History

#!/usr/bin/env python
import os
import stat
import sys
def main():
allowed = set([
b'#!/bin/bash -eu',
b'#!/bin/bash -eux',
b'#!/bin/bash',
b'#!/bin/sh',
b'#!/usr/bin/env bash',
b'#!/usr/bin/env fish',
b'#!/usr/bin/env pwsh',
b'#!/usr/bin/env python',
b'#!/usr/bin/make -f',
])
module_shebangs = {
'': b'#!/usr/bin/python',
'.py': b'#!/usr/bin/python',
'.ps1': b'#!powershell',
}
skip = set([
'test/integration/targets/win_module_utils/library/legacy_only_new_way_win_line_ending.ps1',
'test/integration/targets/win_module_utils/library/legacy_only_old_way_win_line_ending.ps1',
'test/utils/shippable/timing.py',
])
for path in sys.argv[1:] or sys.stdin.read().splitlines():
if path in skip:
continue
with open(path, 'rb') as path_fd:
shebang = path_fd.readline().strip()
mode = os.stat(path).st_mode
executable = (stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH) & mode
if not shebang or not shebang.startswith(b'#!'):
if executable:
print('%s:%d:%d: file without shebang should not be executable' % (path, 0, 0))
continue
is_module = False
if path.startswith('lib/ansible/modules/'):
is_module = True
elif path.startswith('lib/') or path.startswith('test/runner/lib/'):
if executable:
print('%s:%d:%d: should not be executable' % (path, 0, 0))
if shebang:
print('%s:%d:%d: should not have a shebang' % (path, 0, 0))
continue
elif path.startswith('test/integration/targets/'):
dirname = os.path.dirname(path)
if dirname.endswith('/library') or dirname in (
# non-standard module library directories
'test/integration/targets/module_precedence/lib_no_extension',
'test/integration/targets/module_precedence/lib_with_extension',
):
is_module = True
if is_module:
if executable:
print('%s:%d:%d: module should not be executable' % (path, 0, 0))
ext = os.path.splitext(path)[1]
expected_shebang = module_shebangs.get(ext)
expected_ext = ' or '.join(['"%s"' % k for k in module_shebangs])
if expected_shebang:
if shebang == expected_shebang:
continue
print('%s:%d:%d: expected module shebang "%s" but found: %s' % (path, 1, 1, expected_shebang, shebang))
else:
print('%s:%d:%d: expected module extension %s but found: %s' % (path, 0, 0, expected_ext, ext))
else:
if shebang not in allowed:
print('%s:%d:%d: unexpected non-module shebang: %s' % (path, 1, 1, shebang))
if __name__ == '__main__':
main()