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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import os
import platform
from mozlint import result
from mozlint.pathutils import expand_exclusions
def lint(paths, config, fix=None, **lintargs):
results = []
if platform.system() == "Windows":
# Windows doesn't have permissions in files
# Exit now
return results
files = list(expand_exclusions(paths, config, lintargs["root"]))
for f in files:
if os.access(f, os.X_OK):
if config.get("allow-shebang"):
with open(f, "r+") as content:
# Some source files have +x permissions
line = content.readline()
if line.startswith("#!"):
# Check if the file doesn't start with a shebang
# if it does, not a warning
continue
if fix:
# We want to fix it, do it and leave
os.chmod(f, 0o644)
continue
res = {
"path": f,
"message": "Execution permissions on a source file",
"level": "error",
}
results.append(result.from_config(config, **res))
return results
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