Function getChangedChangesetFilesSinceRef

packages/git/src/index.ts:221–251

({
  cwd,
  ref,
}: {
  cwd: string;
  ref: string;
})

// below are less generic functions that we use in combination with other things we are doing
export async function getChangedChangesetFilesSinceRef({
  cwd,
  ref,
}: {
  cwd: string;
  ref: string;
}): Promise<Array<string>> {
  try {
    const divergedAt = await getDivergedCommit(cwd, ref);
    // Now we can find which files we added
    const cmd = await spawn(
      "git",
      ["diff", "--name-only", "--diff-filter=d", "--no-relative", divergedAt],
      {
        cwd,
      }
    );

    let tester = /.changeset\/[^/]+\.md$/;

    const files = cmd.stdout
      .toString()
      .trim()
      .split("\n")
      .filter((file) => tester.test(file));
    return files;
  } catch (err) {
    if (err instanceof GitError) return [];
    throw err;
  }
}

export async function getChangedPackagesSinceRef({
  cwd,