Function createTrackedFilePatch

lib/git-changes.ts:101–122

(
  repositoryRoot: string,
  relativePath: string,
  originalPath?: string,
)

}

async function createTrackedFilePatch(
  repositoryRoot: string,
  relativePath: string,
  originalPath?: string,
): Promise<string | null> {
  const paths = originalPath && originalPath !== relativePath
    ? [originalPath, relativePath]
    : [relativePath];
  try {
    return await git(repositoryRoot, [
      "diff",
      "--no-color",
      "--no-ext-diff",
      "--unified=3",
      "HEAD",
      "--",
      ...paths,
    ], TEXT_PREVIEW_MAX_BYTES * 4);
  } catch {
    return null;
  }
}

export async function getGitFileDiff(cwd: string, filePath: string): Promise<GitFileDiffResponse> {
  const repositoryRoot = await findRepositoryRoot(cwd);