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#!/usr/bin/env python3
import argparse
import json
import os
import requests
import subprocess
import sys
def get_diff_lines_of_file(base_sha, head_sha, file_path):
print(f"base_sha: {base_sha}")
print(f"head_sha: {head_sha}")
print(f"file_path: {file_path}")
# Use git to get two versions of file
result_base = subprocess.run(['git', 'show', base_sha + ':' + file_path], capture_output=True, text=True)
if result_base.returncode != 0:
raise RuntimeError(f"Error running git show: {result_base.stderr}")
result_head = subprocess.run(['git', 'show', head_sha + ':' + file_path], capture_output=True, text=True)
if result_head.returncode != 0:
raise RuntimeError(f"Error running git show: {result_base.stderr}")
base_set_lines = set([line for line in result_base.stdout.splitlines() if line])
head_set_lines = set([line for line in result_head.stdout.splitlines() if line])
added_lines = list(head_set_lines - base_set_lines)
removed_lines = list(base_set_lines - head_set_lines)
print("\n### Added Lines:")
print("\n".join(added_lines))
print("\n### Removed Lines:")
print("\n".join(removed_lines))
return added_lines, removed_lines
def main(base_sha, head_sha, file_path):
added_lines, removed_lines = get_diff_lines_of_file(base_sha, head_sha, file_path)
if added_lines or removed_lines:
print(f"file {file_path} changed")
else:
print(f"file {file_path} not changed")
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description="Returns added and removed lines for file compared by git diff in two commit sha's"
)
parser.add_argument('--base_sha', type=str, required=True)
parser.add_argument('--head_sha', type=str, required=True)
parser.add_argument('--file_path', type=str, required=True)
args = parser.parse_args()
main(args.base_sha, args.head_sha, args.file_path)
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