Function isDiffHeader

src/patch/parse.ts:32–36

(line: string)

  // Matches lines that denote the start of a new diff's section in a
  // multi-file patch: `diff --git ...`, `Index: ...`, or `diff -r ...`.
  function isDiffHeader(line: string): boolean {
    return isGitDiffHeader(line)
        || (/^Index:\s/).test(line)
        || (/^diff(?: -r \w+)+\s/).test(line);
  }

  // Matches `--- ...` and `+++ ...` file header lines.
  function isFileHeader(line: string): boolean {