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https://github.com/ddnet/ddnet.git
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b235637713
This allows the style checker to only look at the changes done in the current branch, and not the other commits that were done in the base branch.
71 lines
2.2 KiB
Python
Executable file
71 lines
2.2 KiB
Python
Executable file
#!/usr/bin/env python3
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from collections import defaultdict
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import re
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import subprocess
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import sys
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RE_POSITION=re.compile(rb"^@@ -[0-9]+,[0-9]+ \+(?P<start>[0-9]+),(?P<len>[0-9]+) @@")
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def get_line_ranges(git_diff):
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new_filename = None
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result = defaultdict(list)
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for line in git_diff.splitlines():
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if line.startswith(b"+++ "):
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new_filename = line[6:].decode()
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continue
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match = RE_POSITION.match(line)
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if match:
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start = int(match.group("start").decode())
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end = start + int(match.group("len").decode()) - 1
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result[new_filename].append((start, end))
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continue
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return dict(result)
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def git_get_changed_lines(margin, base):
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return get_line_ranges(subprocess.check_output([
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"git",
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"diff",
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base,
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"--unified={}".format(margin),
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]))
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def filter_cpp(changed_lines):
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return {filename: changed_lines[filename] for filename in changed_lines
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if any(filename.endswith(ext) for ext in ".c .cpp .h".split())}
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def reformat(changed_lines):
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for filename in changed_lines:
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subprocess.check_call(["clang-format", "-i"] + ["--lines={}:{}".format(start, end) for start, end in changed_lines[filename]] + [filename])
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def warn(changed_lines):
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result = 0
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for filename in changed_lines:
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result = subprocess.call(["clang-format", "-Werror", "--dry-run"] + ["--lines={}:{}".format(start, end) for start, end in changed_lines[filename]] + [filename]) or result
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return result
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def get_common_base(base):
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return subprocess.check_output(["git", "merge-base", "HEAD", base]).decode().strip()
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def main():
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import argparse
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p = argparse.ArgumentParser(description="Check and fix style of changed lines")
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p.add_argument("--base", default="HEAD", help="Revision to compare to")
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p.add_argument("-n", "--dry-run", action="store_true", help="Don't fix, only warn")
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args = p.parse_args()
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if not args.dry_run:
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last_ranges = None
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ranges = filter_cpp(git_get_changed_lines(1, base=args.base))
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i = 0
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while last_ranges != ranges:
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print("Iteration {}".format(i))
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reformat(ranges)
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last_ranges = ranges
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ranges = filter_cpp(git_get_changed_lines(1, base=args.base))
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i += 1
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print("Done after {} iterations".format(i))
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else:
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sys.exit(warn(filter_cpp(git_get_changed_lines(1, base=args.base))))
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if __name__ == "__main__":
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main()
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