getBranchDiff()

// Compare feature branch to main
const diff = await repo.getBranchDiff({
  branch: 'feature/new-auth',
  base: 'main', // optional, defaults to default branch
});

console.log(`Changed files: ${diff.stats.files}`);
console.log(`+${diff.stats.additions} -${diff.stats.deletions}`);

diff.files.forEach((file) => {
  if (file.state === 'renamed') {
    console.log(`Renamed: ${file.oldPath} -> ${file.path} (${file.rawState})`);
  }
});

// Filter to specific files
const filteredDiff = await repo.getBranchDiff({
  branch: 'feature/new-auth',
  paths: ['src/auth.ts', 'src/utils/token.ts'],
});

branch_diff = await repo.get_branch_diff(
    branch="feature/new-auth",
    base="main",  # optional, defaults to main
)
print(branch_diff["stats"])
print(branch_diff["files"])
for file in branch_diff["files"]:
    if file["state"] == "renamed":
        print(f"Renamed: {file['oldPath']} -> {file['path']} ({file['rawState']})")

# Filter to specific files
filtered_diff = await repo.get_branch_diff(
    branch="feature/new-auth",
    paths=["src/auth.py", "src/utils/token.py"],
)

// Compare a branch to main
diff, err := repo.GetBranchDiff(context.Background(), storage.GetBranchDiffOptions{
	Branch: "feature/new-auth",
	Base:   "main",
})
fmt.Printf("Changed files: %d", diff.Stats.Files)

// Filter to specific files
filtered, err := repo.GetBranchDiff(context.Background(), storage.GetBranchDiffOptions{
	Branch: "feature/new-auth",
	Paths:  []string{"src/auth.go", "src/utils/token.go"},
})