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#!/usr/bin/env python3
import os
def cd_to_repo_root():
abspath = os.path.abspath(__file__)
dname = os.path.join(os.path.dirname(abspath), "..", "..")
os.chdir(dname)
# Space based indentation levels are not tracked in .gitattributes, so
# we hardcode them here for the relevant filetypes.
space_based_indent_sizes = {
"*.py": 4,
"*.sgml": 1,
"*.xsl": 1,
"*.xml": 2,
}
def main():
cd_to_repo_root()
with open(".gitattributes", "r") as f:
lines = f.read().splitlines()
new_contents = """root = true
[*]
indent_size = tab
"""
for line in lines:
if line.startswith("#") or len(line) == 0:
continue
name, git_rules = line.split()
if git_rules == "-whitespace":
rules = [
"indent_style = unset",
"indent_size = unset",
"trim_trailing_whitespace = unset",
"insert_final_newline = unset",
]
elif git_rules.startswith("whitespace="):
git_whitespace_rules = git_rules.replace("whitespace=", "").split(",")
rules = []
if "-blank-at-eol" in git_whitespace_rules:
rules += ["trim_trailing_whitespace = unset"]
else:
rules += ["trim_trailing_whitespace = true"]
if "-blank-at-eof" in git_whitespace_rules:
rules += ["insert_final_newline = unset"]
else:
rules += ["insert_final_newline = true"]
if "tab-in-indent" in git_whitespace_rules:
rules += ["indent_style = space"]
elif "indent-with-non-tab" in git_whitespace_rules:
rules += ["indent_style = tab"]
elif name in ["*.pl", "*.pm"]:
# We want editors to use tabs for indenting Perl
# files, but we cannot add it such a rule to
# .gitattributes, because certain lines are still
# indented with spaces (e.g. SYNOPSIS blocks). So we
# hardcode the rule here.
rules += ["indent_style = tab"]
else:
rules += ["indent_style = unset"]
tab_width = "unset"
for rule in git_whitespace_rules:
if rule.startswith("tabwidth="):
tab_width = rule.replace("tabwidth=", "")
rules += [f"tab_width = {tab_width}"]
if name in space_based_indent_sizes:
indent_size = space_based_indent_sizes[name]
rules += [f"indent_size = {indent_size}"]
else:
continue
rules = "\n".join(rules)
new_contents += f"\n[{name}]\n{rules}\n"
with open(".editorconfig", "w") as f:
f.write(new_contents)
if __name__ == "__main__":
main()
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